/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 11:10:42,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 11:10:42,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 11:10:42,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 11:10:42,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 11:10:42,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 11:10:42,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 11:10:42,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 11:10:42,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 11:10:42,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 11:10:42,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 11:10:42,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 11:10:42,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 11:10:42,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 11:10:42,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 11:10:42,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 11:10:42,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 11:10:42,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 11:10:42,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 11:10:42,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 11:10:42,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 11:10:42,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 11:10:42,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 11:10:42,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 11:10:42,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 11:10:42,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 11:10:42,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 11:10:42,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 11:10:42,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 11:10:42,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 11:10:42,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 11:10:42,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 11:10:42,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 11:10:42,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 11:10:42,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 11:10:42,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 11:10:42,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 11:10:42,283 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 11:10:42,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 11:10:42,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 11:10:42,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 11:10:42,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 11:10:42,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 11:10:42,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:10:42,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 11:10:42,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 11:10:42,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 11:10:42,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 11:10:42,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 11:10:42,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 11:10:42,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 11:10:42,288 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 11:10:42,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 11:10:42,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 11:10:42,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 11:10:42,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 11:10:42,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 11:10:42,547 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 11:10:42,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-18 11:10:42,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d35fff18/99732f908b264e159483cee6a7f10e66/FLAGdaa6ea147 [2022-01-18 11:10:42,983 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 11:10:42,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-18 11:10:42,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d35fff18/99732f908b264e159483cee6a7f10e66/FLAGdaa6ea147 [2022-01-18 11:10:43,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d35fff18/99732f908b264e159483cee6a7f10e66 [2022-01-18 11:10:43,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 11:10:43,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 11:10:43,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 11:10:43,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 11:10:43,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 11:10:43,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493be472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43, skipping insertion in model container [2022-01-18 11:10:43,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 11:10:43,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 11:10:43,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-01-18 11:10:43,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:10:43,605 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 11:10:43,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-01-18 11:10:43,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:10:43,636 INFO L208 MainTranslator]: Completed translation [2022-01-18 11:10:43,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43 WrapperNode [2022-01-18 11:10:43,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 11:10:43,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 11:10:43,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 11:10:43,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 11:10:43,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,671 INFO L137 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 180 [2022-01-18 11:10:43,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 11:10:43,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 11:10:43,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 11:10:43,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 11:10:43,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 11:10:43,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 11:10:43,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 11:10:43,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 11:10:43,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (1/1) ... [2022-01-18 11:10:43,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:10:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 11:10:43,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 11:10:43,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 11:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 11:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 11:10:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 11:10:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 11:10:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 11:10:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 11:10:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 11:10:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 11:10:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 11:10:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 11:10:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 11:10:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 11:10:43,778 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 11:10:43,843 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 11:10:43,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 11:10:44,099 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 11:10:44,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 11:10:44,110 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 11:10:44,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:10:44 BoogieIcfgContainer [2022-01-18 11:10:44,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 11:10:44,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 11:10:44,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 11:10:44,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 11:10:44,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:10:43" (1/3) ... [2022-01-18 11:10:44,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a06a4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:10:44, skipping insertion in model container [2022-01-18 11:10:44,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:10:43" (2/3) ... [2022-01-18 11:10:44,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a06a4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:10:44, skipping insertion in model container [2022-01-18 11:10:44,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:10:44" (3/3) ... [2022-01-18 11:10:44,119 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2022-01-18 11:10:44,123 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 11:10:44,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 11:10:44,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 11:10:44,123 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 11:10:44,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,189 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,190 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,191 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,192 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,264 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:10:44,299 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 11:10:44,354 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 11:10:44,370 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 11:10:44,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 11:10:44,386 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 240 places, 252 transitions, 520 flow [2022-01-18 11:10:45,171 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-18 11:10:45,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:45,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:45,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:45,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:45,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1046478131, now seen corresponding path program 1 times [2022-01-18 11:10:45,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:45,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918257134] [2022-01-18 11:10:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:45,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:45,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918257134] [2022-01-18 11:10:45,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918257134] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:45,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:45,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 11:10:45,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312428805] [2022-01-18 11:10:45,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:45,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 11:10:45,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:45,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 11:10:45,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:10:45,977 INFO L87 Difference]: Start difference. First operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:46,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:46,414 INFO L93 Difference]: Finished difference Result 26277 states and 72723 transitions. [2022-01-18 11:10:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 11:10:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-18 11:10:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:46,643 INFO L225 Difference]: With dead ends: 26277 [2022-01-18 11:10:46,644 INFO L226 Difference]: Without dead ends: 23711 [2022-01-18 11:10:46,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:10:46,650 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 143 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:46,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 578 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:46,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23711 states. [2022-01-18 11:10:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23711 to 22771. [2022-01-18 11:10:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22771 states, 22770 states have (on average 2.7727711901624943) internal successors, (63136), 22770 states have internal predecessors, (63136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22771 states to 22771 states and 63136 transitions. [2022-01-18 11:10:47,587 INFO L78 Accepts]: Start accepts. Automaton has 22771 states and 63136 transitions. Word has length 191 [2022-01-18 11:10:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:47,590 INFO L470 AbstractCegarLoop]: Abstraction has 22771 states and 63136 transitions. [2022-01-18 11:10:47,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22771 states and 63136 transitions. [2022-01-18 11:10:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-18 11:10:47,805 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:47,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:47,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 11:10:47,807 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:47,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1705055825, now seen corresponding path program 2 times [2022-01-18 11:10:47,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:47,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585081838] [2022-01-18 11:10:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:47,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:47,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585081838] [2022-01-18 11:10:47,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585081838] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:47,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:47,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 11:10:47,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800139376] [2022-01-18 11:10:47,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:47,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 11:10:47,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:47,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 11:10:47,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:10:47,987 INFO L87 Difference]: Start difference. First operand 22771 states and 63136 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:48,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:48,359 INFO L93 Difference]: Finished difference Result 27236 states and 74778 transitions. [2022-01-18 11:10:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 11:10:48,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-18 11:10:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:48,456 INFO L225 Difference]: With dead ends: 27236 [2022-01-18 11:10:48,456 INFO L226 Difference]: Without dead ends: 27236 [2022-01-18 11:10:48,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:10:48,461 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 167 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:48,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 568 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27236 states. [2022-01-18 11:10:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27236 to 26367. [2022-01-18 11:10:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26367 states, 26366 states have (on average 2.7478570886748086) internal successors, (72450), 26366 states have internal predecessors, (72450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 72450 transitions. [2022-01-18 11:10:49,311 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 72450 transitions. Word has length 191 [2022-01-18 11:10:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:49,314 INFO L470 AbstractCegarLoop]: Abstraction has 26367 states and 72450 transitions. [2022-01-18 11:10:49,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 72450 transitions. [2022-01-18 11:10:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:49,415 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:49,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:49,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 11:10:49,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash 91385591, now seen corresponding path program 1 times [2022-01-18 11:10:49,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:49,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881313376] [2022-01-18 11:10:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:49,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:49,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:49,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881313376] [2022-01-18 11:10:49,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881313376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:49,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:49,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:49,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923559963] [2022-01-18 11:10:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:49,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:49,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:49,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:49,856 INFO L87 Difference]: Start difference. First operand 26367 states and 72450 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:50,221 INFO L93 Difference]: Finished difference Result 27268 states and 74722 transitions. [2022-01-18 11:10:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 11:10:50,221 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:50,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:50,293 INFO L225 Difference]: With dead ends: 27268 [2022-01-18 11:10:50,293 INFO L226 Difference]: Without dead ends: 25360 [2022-01-18 11:10:50,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:10:50,295 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 306 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:50,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1737 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:50,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25360 states. [2022-01-18 11:10:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25360 to 24779. [2022-01-18 11:10:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24779 states, 24778 states have (on average 2.7533699249334087) internal successors, (68223), 24778 states have internal predecessors, (68223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24779 states to 24779 states and 68223 transitions. [2022-01-18 11:10:51,142 INFO L78 Accepts]: Start accepts. Automaton has 24779 states and 68223 transitions. Word has length 193 [2022-01-18 11:10:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:51,142 INFO L470 AbstractCegarLoop]: Abstraction has 24779 states and 68223 transitions. [2022-01-18 11:10:51,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24779 states and 68223 transitions. [2022-01-18 11:10:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:51,197 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:51,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:51,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 11:10:51,198 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:51,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:51,198 INFO L85 PathProgramCache]: Analyzing trace with hash 220120295, now seen corresponding path program 2 times [2022-01-18 11:10:51,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:51,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541777462] [2022-01-18 11:10:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:51,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:51,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:51,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541777462] [2022-01-18 11:10:51,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541777462] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:51,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:51,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:51,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202556139] [2022-01-18 11:10:51,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:51,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:51,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:51,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:51,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:51,365 INFO L87 Difference]: Start difference. First operand 24779 states and 68223 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:51,792 INFO L93 Difference]: Finished difference Result 25301 states and 69550 transitions. [2022-01-18 11:10:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 11:10:51,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:51,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:51,850 INFO L225 Difference]: With dead ends: 25301 [2022-01-18 11:10:51,850 INFO L226 Difference]: Without dead ends: 25016 [2022-01-18 11:10:51,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:10:51,858 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 124 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:51,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 1844 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25016 states. [2022-01-18 11:10:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 24783. [2022-01-18 11:10:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24783 states, 24782 states have (on average 2.7532079735291743) internal successors, (68230), 24782 states have internal predecessors, (68230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24783 states to 24783 states and 68230 transitions. [2022-01-18 11:10:52,464 INFO L78 Accepts]: Start accepts. Automaton has 24783 states and 68230 transitions. Word has length 193 [2022-01-18 11:10:52,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:52,464 INFO L470 AbstractCegarLoop]: Abstraction has 24783 states and 68230 transitions. [2022-01-18 11:10:52,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24783 states and 68230 transitions. [2022-01-18 11:10:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:52,522 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:52,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:52,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 11:10:52,522 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash 632035177, now seen corresponding path program 3 times [2022-01-18 11:10:52,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:52,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913094008] [2022-01-18 11:10:52,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:52,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:52,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:52,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913094008] [2022-01-18 11:10:52,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913094008] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:52,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:52,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:52,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512873194] [2022-01-18 11:10:52,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:52,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:52,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:52,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:52,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:52,691 INFO L87 Difference]: Start difference. First operand 24783 states and 68230 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:52,956 INFO L93 Difference]: Finished difference Result 25198 states and 69286 transitions. [2022-01-18 11:10:52,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:10:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:52,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:53,010 INFO L225 Difference]: With dead ends: 25198 [2022-01-18 11:10:53,011 INFO L226 Difference]: Without dead ends: 24947 [2022-01-18 11:10:53,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:10:53,012 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 99 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:53,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 1907 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:53,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24947 states. [2022-01-18 11:10:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 24787. [2022-01-18 11:10:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24787 states, 24786 states have (on average 2.753046074396837) internal successors, (68237), 24786 states have internal predecessors, (68237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24787 states to 24787 states and 68237 transitions. [2022-01-18 11:10:53,715 INFO L78 Accepts]: Start accepts. Automaton has 24787 states and 68237 transitions. Word has length 193 [2022-01-18 11:10:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:53,716 INFO L470 AbstractCegarLoop]: Abstraction has 24787 states and 68237 transitions. [2022-01-18 11:10:53,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 24787 states and 68237 transitions. [2022-01-18 11:10:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:53,764 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:53,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:53,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 11:10:53,765 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 771229479, now seen corresponding path program 4 times [2022-01-18 11:10:53,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:53,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651846003] [2022-01-18 11:10:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:53,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:53,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:53,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651846003] [2022-01-18 11:10:53,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651846003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:53,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:53,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:53,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307007606] [2022-01-18 11:10:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:53,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:53,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:53,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:53,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:53,898 INFO L87 Difference]: Start difference. First operand 24787 states and 68237 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:54,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:54,152 INFO L93 Difference]: Finished difference Result 25169 states and 69204 transitions. [2022-01-18 11:10:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:10:54,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:54,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:54,209 INFO L225 Difference]: With dead ends: 25169 [2022-01-18 11:10:54,209 INFO L226 Difference]: Without dead ends: 24697 [2022-01-18 11:10:54,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-01-18 11:10:54,210 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 95 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:54,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1811 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2022-01-18 11:10:54,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24569. [2022-01-18 11:10:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24569 states, 24568 states have (on average 2.75358189514816) internal successors, (67650), 24568 states have internal predecessors, (67650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24569 states to 24569 states and 67650 transitions. [2022-01-18 11:10:54,849 INFO L78 Accepts]: Start accepts. Automaton has 24569 states and 67650 transitions. Word has length 193 [2022-01-18 11:10:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:54,849 INFO L470 AbstractCegarLoop]: Abstraction has 24569 states and 67650 transitions. [2022-01-18 11:10:54,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24569 states and 67650 transitions. [2022-01-18 11:10:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:54,886 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:54,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:54,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 11:10:54,886 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:54,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1404106581, now seen corresponding path program 5 times [2022-01-18 11:10:54,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:54,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081111813] [2022-01-18 11:10:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:54,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:55,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:55,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081111813] [2022-01-18 11:10:55,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081111813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:55,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:55,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:55,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282399003] [2022-01-18 11:10:55,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:55,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:55,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:55,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:55,031 INFO L87 Difference]: Start difference. First operand 24569 states and 67650 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:55,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:55,516 INFO L93 Difference]: Finished difference Result 25247 states and 69405 transitions. [2022-01-18 11:10:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 11:10:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:55,580 INFO L225 Difference]: With dead ends: 25247 [2022-01-18 11:10:55,581 INFO L226 Difference]: Without dead ends: 24962 [2022-01-18 11:10:55,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:10:55,581 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 157 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:55,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 1947 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24962 states. [2022-01-18 11:10:55,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 24577. [2022-01-18 11:10:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.75341796875) internal successors, (67668), 24576 states have internal predecessors, (67668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67668 transitions. [2022-01-18 11:10:56,033 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67668 transitions. Word has length 193 [2022-01-18 11:10:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:56,034 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67668 transitions. [2022-01-18 11:10:56,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67668 transitions. [2022-01-18 11:10:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:56,072 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:56,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:56,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 11:10:56,072 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:56,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash -992191699, now seen corresponding path program 6 times [2022-01-18 11:10:56,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:56,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231346313] [2022-01-18 11:10:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:56,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:56,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:56,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231346313] [2022-01-18 11:10:56,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231346313] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:56,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:56,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:56,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778505320] [2022-01-18 11:10:56,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:56,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:56,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:56,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:56,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:56,389 INFO L87 Difference]: Start difference. First operand 24577 states and 67668 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:56,705 INFO L93 Difference]: Finished difference Result 25168 states and 69207 transitions. [2022-01-18 11:10:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 11:10:56,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:56,768 INFO L225 Difference]: With dead ends: 25168 [2022-01-18 11:10:56,768 INFO L226 Difference]: Without dead ends: 24917 [2022-01-18 11:10:56,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:10:56,769 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 133 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:56,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 1852 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24917 states. [2022-01-18 11:10:57,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 24581. [2022-01-18 11:10:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-18 11:10:57,324 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-18 11:10:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:57,324 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-18 11:10:57,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:57,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-18 11:10:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:57,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:57,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:57,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 11:10:57,366 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:57,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:57,367 INFO L85 PathProgramCache]: Analyzing trace with hash -852997397, now seen corresponding path program 7 times [2022-01-18 11:10:57,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:57,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003173948] [2022-01-18 11:10:57,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:57,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:57,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:57,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003173948] [2022-01-18 11:10:57,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003173948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:57,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:57,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:57,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832717004] [2022-01-18 11:10:57,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:57,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:57,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:57,537 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:57,926 INFO L93 Difference]: Finished difference Result 25139 states and 69125 transitions. [2022-01-18 11:10:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:10:57,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:57,972 INFO L225 Difference]: With dead ends: 25139 [2022-01-18 11:10:57,973 INFO L226 Difference]: Without dead ends: 24877 [2022-01-18 11:10:57,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:10:57,973 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 138 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:57,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 1837 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:58,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24877 states. [2022-01-18 11:10:58,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24877 to 24573. [2022-01-18 11:10:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24573 states, 24572 states have (on average 2.753418525150578) internal successors, (67657), 24572 states have internal predecessors, (67657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24573 states to 24573 states and 67657 transitions. [2022-01-18 11:10:58,361 INFO L78 Accepts]: Start accepts. Automaton has 24573 states and 67657 transitions. Word has length 193 [2022-01-18 11:10:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:58,361 INFO L470 AbstractCegarLoop]: Abstraction has 24573 states and 67657 transitions. [2022-01-18 11:10:58,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 24573 states and 67657 transitions. [2022-01-18 11:10:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:58,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:58,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:58,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 11:10:58,395 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:58,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:58,396 INFO L85 PathProgramCache]: Analyzing trace with hash 280309727, now seen corresponding path program 8 times [2022-01-18 11:10:58,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:58,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622243570] [2022-01-18 11:10:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:58,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:58,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622243570] [2022-01-18 11:10:58,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622243570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:58,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:58,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:58,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303032560] [2022-01-18 11:10:58,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:58,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:58,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:58,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:58,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:58,517 INFO L87 Difference]: Start difference. First operand 24573 states and 67657 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:58,812 INFO L93 Difference]: Finished difference Result 25148 states and 69152 transitions. [2022-01-18 11:10:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 11:10:58,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:58,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:58,861 INFO L225 Difference]: With dead ends: 25148 [2022-01-18 11:10:58,861 INFO L226 Difference]: Without dead ends: 24897 [2022-01-18 11:10:58,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-01-18 11:10:58,862 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 221 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:58,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 2434 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2022-01-18 11:10:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24581. [2022-01-18 11:10:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-18 11:10:59,374 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-18 11:10:59,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:10:59,375 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-18 11:10:59,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-18 11:10:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:10:59,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:10:59,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:10:59,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 11:10:59,413 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:10:59,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:10:59,414 INFO L85 PathProgramCache]: Analyzing trace with hash 419504029, now seen corresponding path program 9 times [2022-01-18 11:10:59,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:10:59,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80997755] [2022-01-18 11:10:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:10:59,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:10:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:10:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:10:59,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:10:59,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80997755] [2022-01-18 11:10:59,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80997755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:10:59,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:10:59,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:10:59,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575441920] [2022-01-18 11:10:59,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:10:59,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:10:59,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:10:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:10:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:10:59,525 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:10:59,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:10:59,796 INFO L93 Difference]: Finished difference Result 25146 states and 69138 transitions. [2022-01-18 11:10:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 11:10:59,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:10:59,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:10:59,853 INFO L225 Difference]: With dead ends: 25146 [2022-01-18 11:10:59,853 INFO L226 Difference]: Without dead ends: 24888 [2022-01-18 11:10:59,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:10:59,854 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 216 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:10:59,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 2397 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:10:59,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24888 states. [2022-01-18 11:11:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24888 to 24577. [2022-01-18 11:11:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.7532552083333335) internal successors, (67664), 24576 states have internal predecessors, (67664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67664 transitions. [2022-01-18 11:11:00,371 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67664 transitions. Word has length 193 [2022-01-18 11:11:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:00,372 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67664 transitions. [2022-01-18 11:11:00,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67664 transitions. [2022-01-18 11:11:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:00,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:00,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:00,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 11:11:00,405 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:00,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1183725507, now seen corresponding path program 10 times [2022-01-18 11:11:00,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:00,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607833901] [2022-01-18 11:11:00,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:00,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:00,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:00,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607833901] [2022-01-18 11:11:00,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607833901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:00,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:00,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:00,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119745977] [2022-01-18 11:11:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:00,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:00,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:00,507 INFO L87 Difference]: Start difference. First operand 24577 states and 67664 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:00,791 INFO L93 Difference]: Finished difference Result 25480 states and 69966 transitions. [2022-01-18 11:11:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 11:11:00,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:00,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:00,840 INFO L225 Difference]: With dead ends: 25480 [2022-01-18 11:11:00,840 INFO L226 Difference]: Without dead ends: 23023 [2022-01-18 11:11:00,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 11:11:00,841 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 505 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:00,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 2907 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23023 states. [2022-01-18 11:11:01,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22399. [2022-01-18 11:11:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.754308420394678) internal successors, (61691), 22398 states have internal predecessors, (61691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61691 transitions. [2022-01-18 11:11:01,378 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61691 transitions. Word has length 193 [2022-01-18 11:11:01,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:01,378 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61691 transitions. [2022-01-18 11:11:01,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61691 transitions. [2022-01-18 11:11:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:01,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:01,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:01,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 11:11:01,409 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:01,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1030717563, now seen corresponding path program 1 times [2022-01-18 11:11:01,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:01,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005622788] [2022-01-18 11:11:01,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:01,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:01,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:01,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005622788] [2022-01-18 11:11:01,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005622788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:01,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:01,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:01,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657253186] [2022-01-18 11:11:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:01,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:01,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:01,534 INFO L87 Difference]: Start difference. First operand 22399 states and 61691 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:01,756 INFO L93 Difference]: Finished difference Result 23273 states and 63897 transitions. [2022-01-18 11:11:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 11:11:01,757 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:01,795 INFO L225 Difference]: With dead ends: 23273 [2022-01-18 11:11:01,795 INFO L226 Difference]: Without dead ends: 21560 [2022-01-18 11:11:01,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:11:01,796 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 343 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:01,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 1589 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 11:11:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21560 states. [2022-01-18 11:11:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21003. [2022-01-18 11:11:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21003 states, 21002 states have (on average 2.7544043424435767) internal successors, (57848), 21002 states have internal predecessors, (57848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21003 states to 21003 states and 57848 transitions. [2022-01-18 11:11:02,397 INFO L78 Accepts]: Start accepts. Automaton has 21003 states and 57848 transitions. Word has length 193 [2022-01-18 11:11:02,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:02,398 INFO L470 AbstractCegarLoop]: Abstraction has 21003 states and 57848 transitions. [2022-01-18 11:11:02,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 21003 states and 57848 transitions. [2022-01-18 11:11:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:02,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:02,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:02,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 11:11:02,427 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:02,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:02,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1690865081, now seen corresponding path program 2 times [2022-01-18 11:11:02,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:02,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576853279] [2022-01-18 11:11:02,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:02,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:02,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:02,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576853279] [2022-01-18 11:11:02,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576853279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:02,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:02,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:02,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317989049] [2022-01-18 11:11:02,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:02,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:02,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:02,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:02,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:02,540 INFO L87 Difference]: Start difference. First operand 21003 states and 57848 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:02,805 INFO L93 Difference]: Finished difference Result 21522 states and 59163 transitions. [2022-01-18 11:11:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 11:11:02,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:02,838 INFO L225 Difference]: With dead ends: 21522 [2022-01-18 11:11:02,839 INFO L226 Difference]: Without dead ends: 21237 [2022-01-18 11:11:02,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:11:02,839 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 141 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:02,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2394 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:02,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-01-18 11:11:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21007. [2022-01-18 11:11:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21007 states, 21006 states have (on average 2.754213081976578) internal successors, (57855), 21006 states have internal predecessors, (57855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21007 states to 21007 states and 57855 transitions. [2022-01-18 11:11:03,162 INFO L78 Accepts]: Start accepts. Automaton has 21007 states and 57855 transitions. Word has length 193 [2022-01-18 11:11:03,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:03,162 INFO L470 AbstractCegarLoop]: Abstraction has 21007 states and 57855 transitions. [2022-01-18 11:11:03,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21007 states and 57855 transitions. [2022-01-18 11:11:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:03,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:03,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:03,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 11:11:03,192 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:03,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1239264329, now seen corresponding path program 3 times [2022-01-18 11:11:03,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:03,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563956478] [2022-01-18 11:11:03,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:03,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:03,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:03,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563956478] [2022-01-18 11:11:03,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563956478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:03,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:03,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:03,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189740080] [2022-01-18 11:11:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:03,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:03,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:03,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:03,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:03,305 INFO L87 Difference]: Start difference. First operand 21007 states and 57855 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:03,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:03,518 INFO L93 Difference]: Finished difference Result 21442 states and 58951 transitions. [2022-01-18 11:11:03,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:11:03,519 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:03,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:03,551 INFO L225 Difference]: With dead ends: 21442 [2022-01-18 11:11:03,551 INFO L226 Difference]: Without dead ends: 21185 [2022-01-18 11:11:03,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:11:03,552 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 120 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:03,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 1915 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:03,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21185 states. [2022-01-18 11:11:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21185 to 21011. [2022-01-18 11:11:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21011 states, 21010 states have (on average 2.7540218943360304) internal successors, (57862), 21010 states have internal predecessors, (57862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21011 states to 21011 states and 57862 transitions. [2022-01-18 11:11:04,051 INFO L78 Accepts]: Start accepts. Automaton has 21011 states and 57862 transitions. Word has length 193 [2022-01-18 11:11:04,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:04,052 INFO L470 AbstractCegarLoop]: Abstraction has 21011 states and 57862 transitions. [2022-01-18 11:11:04,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 21011 states and 57862 transitions. [2022-01-18 11:11:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:04,080 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:04,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:04,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 11:11:04,080 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:04,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:04,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1378458631, now seen corresponding path program 4 times [2022-01-18 11:11:04,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:04,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227354628] [2022-01-18 11:11:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:04,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:04,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:04,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227354628] [2022-01-18 11:11:04,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227354628] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:04,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:04,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:04,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542185779] [2022-01-18 11:11:04,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:04,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:04,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:04,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:04,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:04,211 INFO L87 Difference]: Start difference. First operand 21011 states and 57862 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:04,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:04,402 INFO L93 Difference]: Finished difference Result 21405 states and 58847 transitions. [2022-01-18 11:11:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:11:04,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:04,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:04,433 INFO L225 Difference]: With dead ends: 21405 [2022-01-18 11:11:04,434 INFO L226 Difference]: Without dead ends: 20933 [2022-01-18 11:11:04,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:11:04,434 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 128 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:04,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 1667 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20933 states. [2022-01-18 11:11:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 20799. [2022-01-18 11:11:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20799 states, 20798 states have (on average 2.754447543032984) internal successors, (57287), 20798 states have internal predecessors, (57287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20799 states to 20799 states and 57287 transitions. [2022-01-18 11:11:04,920 INFO L78 Accepts]: Start accepts. Automaton has 20799 states and 57287 transitions. Word has length 193 [2022-01-18 11:11:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:04,920 INFO L470 AbstractCegarLoop]: Abstraction has 20799 states and 57287 transitions. [2022-01-18 11:11:04,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 20799 states and 57287 transitions. [2022-01-18 11:11:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:04,947 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:04,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:04,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 11:11:04,947 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:04,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1297262731, now seen corresponding path program 5 times [2022-01-18 11:11:04,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:04,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373193679] [2022-01-18 11:11:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:04,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:05,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:05,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373193679] [2022-01-18 11:11:05,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373193679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:05,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:05,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:05,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823032180] [2022-01-18 11:11:05,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:05,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:05,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:05,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:05,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:05,054 INFO L87 Difference]: Start difference. First operand 20799 states and 57287 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:05,360 INFO L93 Difference]: Finished difference Result 21743 states and 59677 transitions. [2022-01-18 11:11:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 11:11:05,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:05,392 INFO L225 Difference]: With dead ends: 21743 [2022-01-18 11:11:05,392 INFO L226 Difference]: Without dead ends: 19891 [2022-01-18 11:11:05,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 11:11:05,393 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 497 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:05,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 3267 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:05,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19891 states. [2022-01-18 11:11:05,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19891 to 19246. [2022-01-18 11:11:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19246 states, 19245 states have (on average 2.7619641465315667) internal successors, (53154), 19245 states have internal predecessors, (53154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 53154 transitions. [2022-01-18 11:11:05,700 INFO L78 Accepts]: Start accepts. Automaton has 19246 states and 53154 transitions. Word has length 193 [2022-01-18 11:11:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:05,700 INFO L470 AbstractCegarLoop]: Abstraction has 19246 states and 53154 transitions. [2022-01-18 11:11:05,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 19246 states and 53154 transitions. [2022-01-18 11:11:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:05,727 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:05,727 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:05,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 11:11:05,727 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:05,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:05,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1976717757, now seen corresponding path program 6 times [2022-01-18 11:11:05,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:05,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816063785] [2022-01-18 11:11:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:05,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:05,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:05,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816063785] [2022-01-18 11:11:05,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816063785] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:05,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:05,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:05,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256651379] [2022-01-18 11:11:05,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:05,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:05,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:05,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:05,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:05,836 INFO L87 Difference]: Start difference. First operand 19246 states and 53154 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:06,065 INFO L93 Difference]: Finished difference Result 19795 states and 54576 transitions. [2022-01-18 11:11:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 11:11:06,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:06,104 INFO L225 Difference]: With dead ends: 19795 [2022-01-18 11:11:06,104 INFO L226 Difference]: Without dead ends: 19538 [2022-01-18 11:11:06,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:11:06,105 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 194 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:06,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 2491 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19538 states. [2022-01-18 11:11:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19250. [2022-01-18 11:11:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19250 states, 19249 states have (on average 2.7617538573432387) internal successors, (53161), 19249 states have internal predecessors, (53161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19250 states to 19250 states and 53161 transitions. [2022-01-18 11:11:06,611 INFO L78 Accepts]: Start accepts. Automaton has 19250 states and 53161 transitions. Word has length 193 [2022-01-18 11:11:06,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:06,612 INFO L470 AbstractCegarLoop]: Abstraction has 19250 states and 53161 transitions. [2022-01-18 11:11:06,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19250 states and 53161 transitions. [2022-01-18 11:11:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:06,642 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:06,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:06,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 11:11:06,642 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:06,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:06,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2115912059, now seen corresponding path program 7 times [2022-01-18 11:11:06,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:06,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527593542] [2022-01-18 11:11:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:06,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:06,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:06,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527593542] [2022-01-18 11:11:06,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527593542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:06,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:06,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:06,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110129091] [2022-01-18 11:11:06,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:06,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:06,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:06,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:06,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:06,760 INFO L87 Difference]: Start difference. First operand 19250 states and 53161 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:07,027 INFO L93 Difference]: Finished difference Result 19766 states and 54494 transitions. [2022-01-18 11:11:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 11:11:07,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:07,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:07,058 INFO L225 Difference]: With dead ends: 19766 [2022-01-18 11:11:07,059 INFO L226 Difference]: Without dead ends: 19296 [2022-01-18 11:11:07,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-01-18 11:11:07,059 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 206 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:07,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 2529 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19296 states. [2022-01-18 11:11:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 19040. [2022-01-18 11:11:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19040 states, 19039 states have (on average 2.7623299543043225) internal successors, (52592), 19039 states have internal predecessors, (52592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 52592 transitions. [2022-01-18 11:11:07,419 INFO L78 Accepts]: Start accepts. Automaton has 19040 states and 52592 transitions. Word has length 193 [2022-01-18 11:11:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:07,420 INFO L470 AbstractCegarLoop]: Abstraction has 19040 states and 52592 transitions. [2022-01-18 11:11:07,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19040 states and 52592 transitions. [2022-01-18 11:11:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:07,449 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:07,449 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:07,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 11:11:07,449 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:07,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:07,450 INFO L85 PathProgramCache]: Analyzing trace with hash 825578125, now seen corresponding path program 8 times [2022-01-18 11:11:07,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:07,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538981937] [2022-01-18 11:11:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:07,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:07,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:07,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538981937] [2022-01-18 11:11:07,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538981937] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:07,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:07,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:07,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740677276] [2022-01-18 11:11:07,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:07,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:07,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:07,630 INFO L87 Difference]: Start difference. First operand 19040 states and 52592 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:07,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:07,877 INFO L93 Difference]: Finished difference Result 19681 states and 54255 transitions. [2022-01-18 11:11:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 11:11:07,881 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:07,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:07,920 INFO L225 Difference]: With dead ends: 19681 [2022-01-18 11:11:07,920 INFO L226 Difference]: Without dead ends: 19396 [2022-01-18 11:11:07,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:11:07,921 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 145 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:07,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 2388 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19396 states. [2022-01-18 11:11:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 19044. [2022-01-18 11:11:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19044 states, 19043 states have (on average 2.762117313448511) internal successors, (52599), 19043 states have internal predecessors, (52599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19044 states to 19044 states and 52599 transitions. [2022-01-18 11:11:08,263 INFO L78 Accepts]: Start accepts. Automaton has 19044 states and 52599 transitions. Word has length 193 [2022-01-18 11:11:08,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:08,263 INFO L470 AbstractCegarLoop]: Abstraction has 19044 states and 52599 transitions. [2022-01-18 11:11:08,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 19044 states and 52599 transitions. [2022-01-18 11:11:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:08,298 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:08,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:08,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 11:11:08,299 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash -539259761, now seen corresponding path program 9 times [2022-01-18 11:11:08,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:08,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41613194] [2022-01-18 11:11:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:08,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:08,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:08,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41613194] [2022-01-18 11:11:08,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41613194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:08,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:08,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:08,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658847732] [2022-01-18 11:11:08,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:08,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:08,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:08,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:08,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:08,403 INFO L87 Difference]: Start difference. First operand 19044 states and 52599 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:08,634 INFO L93 Difference]: Finished difference Result 19601 states and 54043 transitions. [2022-01-18 11:11:08,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:11:08,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:08,665 INFO L225 Difference]: With dead ends: 19601 [2022-01-18 11:11:08,665 INFO L226 Difference]: Without dead ends: 19344 [2022-01-18 11:11:08,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:11:08,665 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 141 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:08,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2138 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-01-18 11:11:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 19048. [2022-01-18 11:11:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19048 states, 19047 states have (on average 2.761904761904762) internal successors, (52606), 19047 states have internal predecessors, (52606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 52606 transitions. [2022-01-18 11:11:09,088 INFO L78 Accepts]: Start accepts. Automaton has 19048 states and 52606 transitions. Word has length 193 [2022-01-18 11:11:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:09,088 INFO L470 AbstractCegarLoop]: Abstraction has 19048 states and 52606 transitions. [2022-01-18 11:11:09,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 19048 states and 52606 transitions. [2022-01-18 11:11:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 11:11:09,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:09,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:09,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 11:11:09,112 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:09,113 INFO L85 PathProgramCache]: Analyzing trace with hash -400065459, now seen corresponding path program 10 times [2022-01-18 11:11:09,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:09,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690267526] [2022-01-18 11:11:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:09,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:09,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:09,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690267526] [2022-01-18 11:11:09,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690267526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:09,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:09,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:11:09,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926290425] [2022-01-18 11:11:09,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:09,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:11:09,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:09,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:11:09,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:11:09,242 INFO L87 Difference]: Start difference. First operand 19048 states and 52606 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:09,481 INFO L93 Difference]: Finished difference Result 19564 states and 53939 transitions. [2022-01-18 11:11:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 11:11:09,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-18 11:11:09,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:09,516 INFO L225 Difference]: With dead ends: 19564 [2022-01-18 11:11:09,516 INFO L226 Difference]: Without dead ends: 18684 [2022-01-18 11:11:09,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:11:09,517 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 137 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:09,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 2365 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:11:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2022-01-18 11:11:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18428. [2022-01-18 11:11:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 2.763662017691431) internal successors, (50926), 18427 states have internal predecessors, (50926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 50926 transitions. [2022-01-18 11:11:09,794 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 50926 transitions. Word has length 193 [2022-01-18 11:11:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:09,795 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 50926 transitions. [2022-01-18 11:11:09,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 50926 transitions. [2022-01-18 11:11:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-18 11:11:09,817 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:09,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:09,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 11:11:09,817 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:09,817 INFO L85 PathProgramCache]: Analyzing trace with hash 10836863, now seen corresponding path program 1 times [2022-01-18 11:11:09,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:09,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498215859] [2022-01-18 11:11:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:09,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:09,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498215859] [2022-01-18 11:11:09,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498215859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:09,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:09,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 11:11:09,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170178790] [2022-01-18 11:11:09,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:09,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 11:11:09,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:09,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 11:11:09,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:11:09,850 INFO L87 Difference]: Start difference. First operand 18428 states and 50926 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:09,932 INFO L93 Difference]: Finished difference Result 18257 states and 50319 transitions. [2022-01-18 11:11:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 11:11:09,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-01-18 11:11:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:09,969 INFO L225 Difference]: With dead ends: 18257 [2022-01-18 11:11:09,970 INFO L226 Difference]: Without dead ends: 18257 [2022-01-18 11:11:09,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:11:09,970 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 162 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:09,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 455 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 11:11:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18257 states. [2022-01-18 11:11:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18218. [2022-01-18 11:11:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18218 states, 18217 states have (on average 2.756655870889828) internal successors, (50218), 18217 states have internal predecessors, (50218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 50218 transitions. [2022-01-18 11:11:10,498 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 50218 transitions. Word has length 195 [2022-01-18 11:11:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:10,498 INFO L470 AbstractCegarLoop]: Abstraction has 18218 states and 50218 transitions. [2022-01-18 11:11:10,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 50218 transitions. [2022-01-18 11:11:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-18 11:11:10,529 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:10,529 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:10,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 11:11:10,529 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:10,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:10,530 INFO L85 PathProgramCache]: Analyzing trace with hash -385728195, now seen corresponding path program 1 times [2022-01-18 11:11:10,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:10,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248884884] [2022-01-18 11:11:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:10,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:10,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:10,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248884884] [2022-01-18 11:11:10,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248884884] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:10,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:10,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 11:11:10,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707176548] [2022-01-18 11:11:10,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:10,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 11:11:10,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 11:11:10,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:11:10,569 INFO L87 Difference]: Start difference. First operand 18218 states and 50218 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:10,649 INFO L93 Difference]: Finished difference Result 18083 states and 49706 transitions. [2022-01-18 11:11:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 11:11:10,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-01-18 11:11:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:10,678 INFO L225 Difference]: With dead ends: 18083 [2022-01-18 11:11:10,678 INFO L226 Difference]: Without dead ends: 18083 [2022-01-18 11:11:10,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 11:11:10,679 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 163 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:10,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 453 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 11:11:10,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18083 states. [2022-01-18 11:11:10,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18083 to 18083. [2022-01-18 11:11:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18083 states, 18082 states have (on average 2.7489215794712973) internal successors, (49706), 18082 states have internal predecessors, (49706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 49706 transitions. [2022-01-18 11:11:10,943 INFO L78 Accepts]: Start accepts. Automaton has 18083 states and 49706 transitions. Word has length 195 [2022-01-18 11:11:10,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:10,943 INFO L470 AbstractCegarLoop]: Abstraction has 18083 states and 49706 transitions. [2022-01-18 11:11:10,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 18083 states and 49706 transitions. [2022-01-18 11:11:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:10,965 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:10,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:10,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 11:11:10,965 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1226716063, now seen corresponding path program 1 times [2022-01-18 11:11:10,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507976159] [2022-01-18 11:11:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:10,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:11,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:11,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507976159] [2022-01-18 11:11:11,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507976159] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:11,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:11,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:11,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947459077] [2022-01-18 11:11:11,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:11,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:11,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:11,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:11,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:11,349 INFO L87 Difference]: Start difference. First operand 18083 states and 49706 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:14,533 INFO L93 Difference]: Finished difference Result 30940 states and 84292 transitions. [2022-01-18 11:11:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:11:14,534 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:14,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:14,600 INFO L225 Difference]: With dead ends: 30940 [2022-01-18 11:11:14,600 INFO L226 Difference]: Without dead ends: 30940 [2022-01-18 11:11:14,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=693, Invalid=5007, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:11:14,602 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2004 mSDsluCounter, 20794 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:14,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 21312 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:11:14,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30940 states. [2022-01-18 11:11:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30940 to 20351. [2022-01-18 11:11:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20351 states, 20350 states have (on average 2.7612285012285014) internal successors, (56191), 20350 states have internal predecessors, (56191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 56191 transitions. [2022-01-18 11:11:15,066 INFO L78 Accepts]: Start accepts. Automaton has 20351 states and 56191 transitions. Word has length 199 [2022-01-18 11:11:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:15,066 INFO L470 AbstractCegarLoop]: Abstraction has 20351 states and 56191 transitions. [2022-01-18 11:11:15,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 56191 transitions. [2022-01-18 11:11:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:15,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:15,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:15,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 11:11:15,093 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:15,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:15,093 INFO L85 PathProgramCache]: Analyzing trace with hash -795081979, now seen corresponding path program 2 times [2022-01-18 11:11:15,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:15,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230520426] [2022-01-18 11:11:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:15,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:15,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:15,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230520426] [2022-01-18 11:11:15,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230520426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:15,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:15,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:15,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533990977] [2022-01-18 11:11:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:15,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:15,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:15,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:15,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:15,442 INFO L87 Difference]: Start difference. First operand 20351 states and 56191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:18,189 INFO L93 Difference]: Finished difference Result 29612 states and 80966 transitions. [2022-01-18 11:11:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:11:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:18,247 INFO L225 Difference]: With dead ends: 29612 [2022-01-18 11:11:18,247 INFO L226 Difference]: Without dead ends: 29612 [2022-01-18 11:11:18,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=607, Invalid=4505, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:11:18,249 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 1850 mSDsluCounter, 19530 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 20165 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:18,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 20165 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:11:18,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29612 states. [2022-01-18 11:11:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29612 to 20602. [2022-01-18 11:11:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20602 states, 20601 states have (on average 2.760545604582302) internal successors, (56870), 20601 states have internal predecessors, (56870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20602 states to 20602 states and 56870 transitions. [2022-01-18 11:11:18,694 INFO L78 Accepts]: Start accepts. Automaton has 20602 states and 56870 transitions. Word has length 199 [2022-01-18 11:11:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:18,694 INFO L470 AbstractCegarLoop]: Abstraction has 20602 states and 56870 transitions. [2022-01-18 11:11:18,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 20602 states and 56870 transitions. [2022-01-18 11:11:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:18,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:18,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:18,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 11:11:18,720 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:18,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1128055391, now seen corresponding path program 3 times [2022-01-18 11:11:18,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:18,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513462810] [2022-01-18 11:11:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:18,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:19,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:19,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513462810] [2022-01-18 11:11:19,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513462810] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:19,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:19,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:19,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603424543] [2022-01-18 11:11:19,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:19,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:19,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:19,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:19,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:19,117 INFO L87 Difference]: Start difference. First operand 20602 states and 56870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:21,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:21,793 INFO L93 Difference]: Finished difference Result 29212 states and 79945 transitions. [2022-01-18 11:11:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:11:21,794 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:21,838 INFO L225 Difference]: With dead ends: 29212 [2022-01-18 11:11:21,838 INFO L226 Difference]: Without dead ends: 29212 [2022-01-18 11:11:21,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=585, Invalid=4245, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 11:11:21,839 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 1673 mSDsluCounter, 19214 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 19854 SdHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:21,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1673 Valid, 19854 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:11:21,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29212 states. [2022-01-18 11:11:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 20743. [2022-01-18 11:11:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20743 states, 20742 states have (on average 2.759569954681323) internal successors, (57239), 20742 states have internal predecessors, (57239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 57239 transitions. [2022-01-18 11:11:22,194 INFO L78 Accepts]: Start accepts. Automaton has 20743 states and 57239 transitions. Word has length 199 [2022-01-18 11:11:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:22,195 INFO L470 AbstractCegarLoop]: Abstraction has 20743 states and 57239 transitions. [2022-01-18 11:11:22,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 20743 states and 57239 transitions. [2022-01-18 11:11:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:22,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:22,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:22,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 11:11:22,223 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625005, now seen corresponding path program 4 times [2022-01-18 11:11:22,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:22,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774676561] [2022-01-18 11:11:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:22,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:22,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774676561] [2022-01-18 11:11:22,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774676561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:22,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:22,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:22,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222765666] [2022-01-18 11:11:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:22,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:22,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:22,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:22,569 INFO L87 Difference]: Start difference. First operand 20743 states and 57239 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:25,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:25,138 INFO L93 Difference]: Finished difference Result 30570 states and 83337 transitions. [2022-01-18 11:11:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:11:25,138 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:25,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:25,193 INFO L225 Difference]: With dead ends: 30570 [2022-01-18 11:11:25,194 INFO L226 Difference]: Without dead ends: 30570 [2022-01-18 11:11:25,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4369, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:11:25,195 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 1756 mSDsluCounter, 19472 mSDsCounter, 0 mSdLazyCounter, 4149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20124 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:25,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20124 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4149 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:11:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30570 states. [2022-01-18 11:11:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30570 to 20790. [2022-01-18 11:11:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20790 states, 20789 states have (on average 2.759247679061042) internal successors, (57362), 20789 states have internal predecessors, (57362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 57362 transitions. [2022-01-18 11:11:25,606 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 57362 transitions. Word has length 199 [2022-01-18 11:11:25,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:25,606 INFO L470 AbstractCegarLoop]: Abstraction has 20790 states and 57362 transitions. [2022-01-18 11:11:25,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 57362 transitions. [2022-01-18 11:11:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:25,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:25,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:25,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 11:11:25,634 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:25,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:25,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2128110973, now seen corresponding path program 5 times [2022-01-18 11:11:25,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:25,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536504649] [2022-01-18 11:11:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:25,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:26,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:26,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536504649] [2022-01-18 11:11:26,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536504649] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:26,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:26,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:26,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794186252] [2022-01-18 11:11:26,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:26,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:26,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:26,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:26,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:26,011 INFO L87 Difference]: Start difference. First operand 20790 states and 57362 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:28,595 INFO L93 Difference]: Finished difference Result 31813 states and 86509 transitions. [2022-01-18 11:11:28,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:11:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:28,652 INFO L225 Difference]: With dead ends: 31813 [2022-01-18 11:11:28,653 INFO L226 Difference]: Without dead ends: 31813 [2022-01-18 11:11:28,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=614, Invalid=4498, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:11:28,654 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 1756 mSDsluCounter, 20195 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20866 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:28,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20866 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:11:28,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31813 states. [2022-01-18 11:11:29,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31813 to 21401. [2022-01-18 11:11:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21401 states, 21400 states have (on average 2.7551869158878506) internal successors, (58961), 21400 states have internal predecessors, (58961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21401 states to 21401 states and 58961 transitions. [2022-01-18 11:11:29,105 INFO L78 Accepts]: Start accepts. Automaton has 21401 states and 58961 transitions. Word has length 199 [2022-01-18 11:11:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:29,106 INFO L470 AbstractCegarLoop]: Abstraction has 21401 states and 58961 transitions. [2022-01-18 11:11:29,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21401 states and 58961 transitions. [2022-01-18 11:11:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:29,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:29,137 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:29,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 11:11:29,138 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:29,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash -249094141, now seen corresponding path program 6 times [2022-01-18 11:11:29,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:29,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225283590] [2022-01-18 11:11:29,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:29,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:29,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:29,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225283590] [2022-01-18 11:11:29,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225283590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:29,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:29,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:29,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006012681] [2022-01-18 11:11:29,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:29,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:29,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:29,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:29,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:29,550 INFO L87 Difference]: Start difference. First operand 21401 states and 58961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:32,277 INFO L93 Difference]: Finished difference Result 32471 states and 88231 transitions. [2022-01-18 11:11:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:11:32,278 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:32,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:32,339 INFO L225 Difference]: With dead ends: 32471 [2022-01-18 11:11:32,339 INFO L226 Difference]: Without dead ends: 32471 [2022-01-18 11:11:32,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=610, Invalid=4502, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:11:32,341 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 1786 mSDsluCounter, 20339 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 21014 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:32,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 21014 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:11:32,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32471 states. [2022-01-18 11:11:32,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32471 to 21448. [2022-01-18 11:11:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21448 states, 21447 states have (on average 2.7548841329789715) internal successors, (59084), 21447 states have internal predecessors, (59084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21448 states to 21448 states and 59084 transitions. [2022-01-18 11:11:32,824 INFO L78 Accepts]: Start accepts. Automaton has 21448 states and 59084 transitions. Word has length 199 [2022-01-18 11:11:32,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:32,825 INFO L470 AbstractCegarLoop]: Abstraction has 21448 states and 59084 transitions. [2022-01-18 11:11:32,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 21448 states and 59084 transitions. [2022-01-18 11:11:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:32,853 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:32,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:32,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 11:11:32,853 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:32,854 INFO L85 PathProgramCache]: Analyzing trace with hash -816277943, now seen corresponding path program 7 times [2022-01-18 11:11:32,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:32,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820943451] [2022-01-18 11:11:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:32,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:33,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:33,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820943451] [2022-01-18 11:11:33,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820943451] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:33,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:33,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:33,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177245482] [2022-01-18 11:11:33,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:33,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:33,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:33,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:33,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:33,214 INFO L87 Difference]: Start difference. First operand 21448 states and 59084 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:35,696 INFO L93 Difference]: Finished difference Result 32659 states and 88723 transitions. [2022-01-18 11:11:35,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:11:35,697 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:35,752 INFO L225 Difference]: With dead ends: 32659 [2022-01-18 11:11:35,752 INFO L226 Difference]: Without dead ends: 32659 [2022-01-18 11:11:35,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:11:35,754 INFO L933 BasicCegarLoop]: 952 mSDtfsCounter, 1774 mSDsluCounter, 20457 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 21134 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:35,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 21134 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 11:11:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32659 states. [2022-01-18 11:11:36,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32659 to 21589. [2022-01-18 11:11:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21589 states, 21588 states have (on average 2.7539836946451732) internal successors, (59453), 21588 states have internal predecessors, (59453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 59453 transitions. [2022-01-18 11:11:36,244 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 59453 transitions. Word has length 199 [2022-01-18 11:11:36,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:36,244 INFO L470 AbstractCegarLoop]: Abstraction has 21589 states and 59453 transitions. [2022-01-18 11:11:36,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 59453 transitions. [2022-01-18 11:11:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:36,275 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:36,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:36,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 11:11:36,275 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:36,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1071114681, now seen corresponding path program 8 times [2022-01-18 11:11:36,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:36,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156799851] [2022-01-18 11:11:36,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:36,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:36,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:36,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156799851] [2022-01-18 11:11:36,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156799851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:36,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:36,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:36,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770399855] [2022-01-18 11:11:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:36,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:36,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:36,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:36,691 INFO L87 Difference]: Start difference. First operand 21589 states and 59453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:39,351 INFO L93 Difference]: Finished difference Result 32941 states and 89461 transitions. [2022-01-18 11:11:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:11:39,351 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:39,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:39,415 INFO L225 Difference]: With dead ends: 32941 [2022-01-18 11:11:39,415 INFO L226 Difference]: Without dead ends: 32941 [2022-01-18 11:11:39,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=619, Invalid=4637, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:11:39,417 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 1789 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 21239 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:39,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 21239 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:11:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2022-01-18 11:11:39,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 21730. [2022-01-18 11:11:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21730 states, 21729 states have (on average 2.7530949422430853) internal successors, (59822), 21729 states have internal predecessors, (59822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21730 states to 21730 states and 59822 transitions. [2022-01-18 11:11:39,927 INFO L78 Accepts]: Start accepts. Automaton has 21730 states and 59822 transitions. Word has length 199 [2022-01-18 11:11:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:39,927 INFO L470 AbstractCegarLoop]: Abstraction has 21730 states and 59822 transitions. [2022-01-18 11:11:39,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21730 states and 59822 transitions. [2022-01-18 11:11:39,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:39,959 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:39,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:39,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 11:11:39,959 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:39,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 700681267, now seen corresponding path program 9 times [2022-01-18 11:11:39,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:39,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197495253] [2022-01-18 11:11:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:39,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:40,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197495253] [2022-01-18 11:11:40,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197495253] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:40,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:40,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:40,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622938794] [2022-01-18 11:11:40,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:40,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:40,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:40,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:40,352 INFO L87 Difference]: Start difference. First operand 21730 states and 59822 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:42,673 INFO L93 Difference]: Finished difference Result 28372 states and 77421 transitions. [2022-01-18 11:11:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:11:42,674 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:42,725 INFO L225 Difference]: With dead ends: 28372 [2022-01-18 11:11:42,725 INFO L226 Difference]: Without dead ends: 28372 [2022-01-18 11:11:42,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 11:11:42,727 INFO L933 BasicCegarLoop]: 871 mSDtfsCounter, 1624 mSDsluCounter, 18727 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 19317 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:42,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 19317 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-18 11:11:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28372 states. [2022-01-18 11:11:43,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28372 to 21871. [2022-01-18 11:11:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21871 states, 21870 states have (on average 2.752217649748514) internal successors, (60191), 21870 states have internal predecessors, (60191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 60191 transitions. [2022-01-18 11:11:43,192 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 60191 transitions. Word has length 199 [2022-01-18 11:11:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:43,193 INFO L470 AbstractCegarLoop]: Abstraction has 21871 states and 60191 transitions. [2022-01-18 11:11:43,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 60191 transitions. [2022-01-18 11:11:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:43,224 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:43,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:43,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 11:11:43,225 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1610893309, now seen corresponding path program 10 times [2022-01-18 11:11:43,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:43,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071624770] [2022-01-18 11:11:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:43,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:43,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:43,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071624770] [2022-01-18 11:11:43,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071624770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:43,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:43,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:43,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860693800] [2022-01-18 11:11:43,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:43,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:43,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:43,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:43,664 INFO L87 Difference]: Start difference. First operand 21871 states and 60191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:46,580 INFO L93 Difference]: Finished difference Result 36709 states and 100073 transitions. [2022-01-18 11:11:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:11:46,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:46,647 INFO L225 Difference]: With dead ends: 36709 [2022-01-18 11:11:46,647 INFO L226 Difference]: Without dead ends: 36709 [2022-01-18 11:11:46,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=646, Invalid=5054, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:11:46,648 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 1881 mSDsluCounter, 20342 mSDsCounter, 0 mSdLazyCounter, 4672 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 20947 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:46,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 20947 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4672 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:11:46,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36709 states. [2022-01-18 11:11:47,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36709 to 22447. [2022-01-18 11:11:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.756615878107458) internal successors, (61875), 22446 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61875 transitions. [2022-01-18 11:11:47,119 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61875 transitions. Word has length 199 [2022-01-18 11:11:47,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:47,119 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61875 transitions. [2022-01-18 11:11:47,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61875 transitions. [2022-01-18 11:11:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:47,149 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:47,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:47,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 11:11:47,150 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:47,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash -410904733, now seen corresponding path program 11 times [2022-01-18 11:11:47,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:47,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480964890] [2022-01-18 11:11:47,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:47,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:47,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:47,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480964890] [2022-01-18 11:11:47,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480964890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:47,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:47,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:47,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087182136] [2022-01-18 11:11:47,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:47,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:47,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:47,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:47,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:47,554 INFO L87 Difference]: Start difference. First operand 22447 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:50,511 INFO L93 Difference]: Finished difference Result 35668 states and 97515 transitions. [2022-01-18 11:11:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:11:50,512 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:50,575 INFO L225 Difference]: With dead ends: 35668 [2022-01-18 11:11:50,575 INFO L226 Difference]: Without dead ends: 35668 [2022-01-18 11:11:50,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=665, Invalid=5497, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:11:50,576 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 1847 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 20860 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:50,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 20860 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:11:50,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35668 states. [2022-01-18 11:11:51,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35668 to 22383. [2022-01-18 11:11:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22383 states, 22382 states have (on average 2.755205075507104) internal successors, (61667), 22382 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22383 states to 22383 states and 61667 transitions. [2022-01-18 11:11:51,111 INFO L78 Accepts]: Start accepts. Automaton has 22383 states and 61667 transitions. Word has length 199 [2022-01-18 11:11:51,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:51,111 INFO L470 AbstractCegarLoop]: Abstraction has 22383 states and 61667 transitions. [2022-01-18 11:11:51,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 22383 states and 61667 transitions. [2022-01-18 11:11:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:51,145 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:51,145 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:51,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 11:11:51,145 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:51,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1512232637, now seen corresponding path program 12 times [2022-01-18 11:11:51,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:51,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455907567] [2022-01-18 11:11:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:51,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:51,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:51,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455907567] [2022-01-18 11:11:51,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455907567] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:51,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:51,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:51,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211822493] [2022-01-18 11:11:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:51,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:51,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:51,557 INFO L87 Difference]: Start difference. First operand 22383 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:54,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:54,363 INFO L93 Difference]: Finished difference Result 34539 states and 94612 transitions. [2022-01-18 11:11:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:11:54,364 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:54,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:54,427 INFO L225 Difference]: With dead ends: 34539 [2022-01-18 11:11:54,427 INFO L226 Difference]: Without dead ends: 34539 [2022-01-18 11:11:54,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=598, Invalid=4804, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:11:54,428 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 1645 mSDsluCounter, 19913 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 20613 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:54,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 20613 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:11:54,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34539 states. [2022-01-18 11:11:54,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 22335. [2022-01-18 11:11:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22335 states, 22334 states have (on average 2.7546789648070207) internal successors, (61523), 22334 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 61523 transitions. [2022-01-18 11:11:54,980 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 61523 transitions. Word has length 199 [2022-01-18 11:11:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:54,980 INFO L470 AbstractCegarLoop]: Abstraction has 22335 states and 61523 transitions. [2022-01-18 11:11:54,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 61523 transitions. [2022-01-18 11:11:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:55,013 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:55,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:55,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 11:11:55,014 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:55,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1181447759, now seen corresponding path program 13 times [2022-01-18 11:11:55,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:55,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831358435] [2022-01-18 11:11:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:55,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:55,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:55,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831358435] [2022-01-18 11:11:55,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831358435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:55,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:55,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:55,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108092444] [2022-01-18 11:11:55,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:55,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:55,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:55,429 INFO L87 Difference]: Start difference. First operand 22335 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:58,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:11:58,215 INFO L93 Difference]: Finished difference Result 35897 states and 98004 transitions. [2022-01-18 11:11:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:11:58,215 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:11:58,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:11:58,280 INFO L225 Difference]: With dead ends: 35897 [2022-01-18 11:11:58,281 INFO L226 Difference]: Without dead ends: 35897 [2022-01-18 11:11:58,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=593, Invalid=4809, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:11:58,282 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 1701 mSDsluCounter, 20228 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20939 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:11:58,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20939 Invalid, 4397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:11:58,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35897 states. [2022-01-18 11:11:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35897 to 22319. [2022-01-18 11:11:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22319 states, 22318 states have (on average 2.754503091674881) internal successors, (61475), 22318 states have internal predecessors, (61475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22319 states to 22319 states and 61475 transitions. [2022-01-18 11:11:58,845 INFO L78 Accepts]: Start accepts. Automaton has 22319 states and 61475 transitions. Word has length 199 [2022-01-18 11:11:58,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:11:58,846 INFO L470 AbstractCegarLoop]: Abstraction has 22319 states and 61475 transitions. [2022-01-18 11:11:58,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:11:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 22319 states and 61475 transitions. [2022-01-18 11:11:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:11:58,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:11:58,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:11:58,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 11:11:58,879 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:11:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:11:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1782679077, now seen corresponding path program 14 times [2022-01-18 11:11:58,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:11:58,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586224456] [2022-01-18 11:11:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:11:58,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:11:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:11:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:11:59,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:11:59,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586224456] [2022-01-18 11:11:59,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586224456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:11:59,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:11:59,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:11:59,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272308400] [2022-01-18 11:11:59,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:11:59,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:11:59,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:11:59,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:11:59,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:11:59,257 INFO L87 Difference]: Start difference. First operand 22319 states and 61475 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:01,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:01,888 INFO L93 Difference]: Finished difference Result 34890 states and 95146 transitions. [2022-01-18 11:12:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:12:01,889 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:01,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:01,953 INFO L225 Difference]: With dead ends: 34890 [2022-01-18 11:12:01,953 INFO L226 Difference]: Without dead ends: 34890 [2022-01-18 11:12:01,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:12:01,955 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 1593 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 21998 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:01,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 21998 Invalid, 4424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:12:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34890 states. [2022-01-18 11:12:02,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34890 to 22111. [2022-01-18 11:12:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22111 states, 22110 states have (on average 2.752193577566712) internal successors, (60851), 22110 states have internal predecessors, (60851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22111 states to 22111 states and 60851 transitions. [2022-01-18 11:12:02,433 INFO L78 Accepts]: Start accepts. Automaton has 22111 states and 60851 transitions. Word has length 199 [2022-01-18 11:12:02,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:02,433 INFO L470 AbstractCegarLoop]: Abstraction has 22111 states and 60851 transitions. [2022-01-18 11:12:02,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 22111 states and 60851 transitions. [2022-01-18 11:12:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:02,464 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:02,464 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:02,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 11:12:02,464 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:02,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1089079169, now seen corresponding path program 15 times [2022-01-18 11:12:02,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:02,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357777850] [2022-01-18 11:12:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:02,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:02,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:02,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357777850] [2022-01-18 11:12:02,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357777850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:02,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:02,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:02,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235816562] [2022-01-18 11:12:02,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:02,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:02,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:02,832 INFO L87 Difference]: Start difference. First operand 22111 states and 60851 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:05,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:05,195 INFO L93 Difference]: Finished difference Result 30232 states and 82639 transitions. [2022-01-18 11:12:05,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:12:05,196 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:05,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:05,249 INFO L225 Difference]: With dead ends: 30232 [2022-01-18 11:12:05,250 INFO L226 Difference]: Without dead ends: 30232 [2022-01-18 11:12:05,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=563, Invalid=3859, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 11:12:05,251 INFO L933 BasicCegarLoop]: 802 mSDtfsCounter, 1518 mSDsluCounter, 17201 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 17827 SdHoareTripleChecker+Invalid, 4089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:05,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 17827 Invalid, 4089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:12:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2022-01-18 11:12:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 22271. [2022-01-18 11:12:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22271 states, 22270 states have (on average 2.7541535698248767) internal successors, (61335), 22270 states have internal predecessors, (61335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22271 states to 22271 states and 61335 transitions. [2022-01-18 11:12:05,676 INFO L78 Accepts]: Start accepts. Automaton has 22271 states and 61335 transitions. Word has length 199 [2022-01-18 11:12:05,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:05,676 INFO L470 AbstractCegarLoop]: Abstraction has 22271 states and 61335 transitions. [2022-01-18 11:12:05,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22271 states and 61335 transitions. [2022-01-18 11:12:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:05,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:05,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:05,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 11:12:05,706 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:05,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090085, now seen corresponding path program 16 times [2022-01-18 11:12:05,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:05,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354856384] [2022-01-18 11:12:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:05,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:06,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:06,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354856384] [2022-01-18 11:12:06,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354856384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:06,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:06,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:06,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807878118] [2022-01-18 11:12:06,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:06,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:06,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:06,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:06,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:06,108 INFO L87 Difference]: Start difference. First operand 22271 states and 61335 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:08,599 INFO L93 Difference]: Finished difference Result 30134 states and 82524 transitions. [2022-01-18 11:12:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:12:08,599 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:08,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:08,652 INFO L225 Difference]: With dead ends: 30134 [2022-01-18 11:12:08,652 INFO L226 Difference]: Without dead ends: 30134 [2022-01-18 11:12:08,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=592, Invalid=4378, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:12:08,653 INFO L933 BasicCegarLoop]: 820 mSDtfsCounter, 1538 mSDsluCounter, 17435 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 18149 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:08,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 18149 Invalid, 4134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4113 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:12:08,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30134 states. [2022-01-18 11:12:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30134 to 22219. [2022-01-18 11:12:09,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22219 states, 22218 states have (on average 2.753263119992799) internal successors, (61172), 22218 states have internal predecessors, (61172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 61172 transitions. [2022-01-18 11:12:09,072 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 61172 transitions. Word has length 199 [2022-01-18 11:12:09,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:09,073 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 61172 transitions. [2022-01-18 11:12:09,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 61172 transitions. [2022-01-18 11:12:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:09,109 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:09,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:09,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 11:12:09,110 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:09,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:09,110 INFO L85 PathProgramCache]: Analyzing trace with hash 806892861, now seen corresponding path program 17 times [2022-01-18 11:12:09,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:09,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570447062] [2022-01-18 11:12:09,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:09,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:09,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:09,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570447062] [2022-01-18 11:12:09,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570447062] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:09,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:09,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:09,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976726202] [2022-01-18 11:12:09,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:09,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:09,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:09,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:09,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:09,444 INFO L87 Difference]: Start difference. First operand 22219 states and 61172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:11,703 INFO L93 Difference]: Finished difference Result 27868 states and 76163 transitions. [2022-01-18 11:12:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:12:11,703 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:11,752 INFO L225 Difference]: With dead ends: 27868 [2022-01-18 11:12:11,753 INFO L226 Difference]: Without dead ends: 27868 [2022-01-18 11:12:11,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 11:12:11,754 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 1434 mSDsluCounter, 16646 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 17270 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:11,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 17270 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 11:12:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27868 states. [2022-01-18 11:12:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27868 to 22351. [2022-01-18 11:12:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:12:12,151 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:12:12,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:12,151 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:12:12,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:12:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:12,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:12,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:12,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 11:12:12,198 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1169599549, now seen corresponding path program 18 times [2022-01-18 11:12:12,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:12,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142161648] [2022-01-18 11:12:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:12,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:12,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142161648] [2022-01-18 11:12:12,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142161648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:12,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:12,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:12,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315603670] [2022-01-18 11:12:12,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:12,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:12,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:12,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:12,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:12,587 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:15,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:15,126 INFO L93 Difference]: Finished difference Result 30824 states and 84229 transitions. [2022-01-18 11:12:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:12:15,126 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:15,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:15,186 INFO L225 Difference]: With dead ends: 30824 [2022-01-18 11:12:15,186 INFO L226 Difference]: Without dead ends: 30824 [2022-01-18 11:12:15,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=562, Invalid=4130, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 11:12:15,188 INFO L933 BasicCegarLoop]: 839 mSDtfsCounter, 1546 mSDsluCounter, 18164 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 18779 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:15,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 18779 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:12:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30824 states. [2022-01-18 11:12:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30824 to 22463. [2022-01-18 11:12:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7546523016650344) internal successors, (61875), 22462 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61875 transitions. [2022-01-18 11:12:15,606 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61875 transitions. Word has length 199 [2022-01-18 11:12:15,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:15,606 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61875 transitions. [2022-01-18 11:12:15,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61875 transitions. [2022-01-18 11:12:15,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:15,634 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:15,634 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:15,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 11:12:15,634 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:15,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:15,635 INFO L85 PathProgramCache]: Analyzing trace with hash -852198493, now seen corresponding path program 19 times [2022-01-18 11:12:15,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:15,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369802306] [2022-01-18 11:12:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:15,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:16,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:16,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369802306] [2022-01-18 11:12:16,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369802306] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:16,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:16,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:16,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926662360] [2022-01-18 11:12:16,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:16,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:16,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:16,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:16,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:16,030 INFO L87 Difference]: Start difference. First operand 22463 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:18,615 INFO L93 Difference]: Finished difference Result 30618 states and 83846 transitions. [2022-01-18 11:12:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:12:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:18,669 INFO L225 Difference]: With dead ends: 30618 [2022-01-18 11:12:18,670 INFO L226 Difference]: Without dead ends: 30618 [2022-01-18 11:12:18,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=584, Invalid=4528, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:12:18,671 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 1547 mSDsluCounter, 18866 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 19568 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:18,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 19568 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:12:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30618 states. [2022-01-18 11:12:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30618 to 22399. [2022-01-18 11:12:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 11:12:19,086 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 11:12:19,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:19,087 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 11:12:19,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 11:12:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:19,115 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:19,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:19,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 11:12:19,116 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:19,116 INFO L85 PathProgramCache]: Analyzing trace with hash -502744609, now seen corresponding path program 20 times [2022-01-18 11:12:19,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:19,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310307800] [2022-01-18 11:12:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:19,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:19,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:19,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310307800] [2022-01-18 11:12:19,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310307800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:19,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:19,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:19,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587724341] [2022-01-18 11:12:19,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:19,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:19,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:19,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:19,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:19,482 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:21,807 INFO L93 Difference]: Finished difference Result 28088 states and 76925 transitions. [2022-01-18 11:12:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:12:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:21,872 INFO L225 Difference]: With dead ends: 28088 [2022-01-18 11:12:21,873 INFO L226 Difference]: Without dead ends: 28088 [2022-01-18 11:12:21,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2022-01-18 11:12:21,874 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 1395 mSDsluCounter, 17565 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 18236 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:21,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 18236 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 11:12:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28088 states. [2022-01-18 11:12:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28088 to 22351. [2022-01-18 11:12:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:12:22,299 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:12:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:22,300 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:12:22,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:12:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:22,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:22,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:22,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 11:12:22,329 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:22,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:22,329 INFO L85 PathProgramCache]: Analyzing trace with hash -409342909, now seen corresponding path program 21 times [2022-01-18 11:12:22,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:22,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874990595] [2022-01-18 11:12:22,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:22,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:22,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:22,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874990595] [2022-01-18 11:12:22,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874990595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:22,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:22,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:22,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200430652] [2022-01-18 11:12:22,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:22,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:22,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:22,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:22,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:22,702 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:25,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:25,415 INFO L93 Difference]: Finished difference Result 34870 states and 95105 transitions. [2022-01-18 11:12:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:12:25,416 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:25,476 INFO L225 Difference]: With dead ends: 34870 [2022-01-18 11:12:25,476 INFO L226 Difference]: Without dead ends: 34870 [2022-01-18 11:12:25,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=604, Invalid=4652, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:12:25,477 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 1727 mSDsluCounter, 19680 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 20308 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:25,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 20308 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4624 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:12:25,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34870 states. [2022-01-18 11:12:25,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 22479. [2022-01-18 11:12:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22479 states, 22478 states have (on average 2.754826941898745) internal successors, (61923), 22478 states have internal predecessors, (61923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22479 states to 22479 states and 61923 transitions. [2022-01-18 11:12:25,926 INFO L78 Accepts]: Start accepts. Automaton has 22479 states and 61923 transitions. Word has length 199 [2022-01-18 11:12:25,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:25,927 INFO L470 AbstractCegarLoop]: Abstraction has 22479 states and 61923 transitions. [2022-01-18 11:12:25,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22479 states and 61923 transitions. [2022-01-18 11:12:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:25,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:25,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:25,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 11:12:25,954 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:25,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:25,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1863826345, now seen corresponding path program 22 times [2022-01-18 11:12:25,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:25,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58629424] [2022-01-18 11:12:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:25,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:26,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:26,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58629424] [2022-01-18 11:12:26,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58629424] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:26,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:26,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:26,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097910049] [2022-01-18 11:12:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:26,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:26,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:26,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:26,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:26,315 INFO L87 Difference]: Start difference. First operand 22479 states and 61923 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:29,114 INFO L93 Difference]: Finished difference Result 34493 states and 94284 transitions. [2022-01-18 11:12:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:12:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:29,174 INFO L225 Difference]: With dead ends: 34493 [2022-01-18 11:12:29,174 INFO L226 Difference]: Without dead ends: 34493 [2022-01-18 11:12:29,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=5212, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:12:29,176 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 1709 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4574 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 21358 SdHoareTripleChecker+Invalid, 4595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:29,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 21358 Invalid, 4595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:12:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34493 states. [2022-01-18 11:12:29,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34493 to 22415. [2022-01-18 11:12:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-18 11:12:29,655 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-18 11:12:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:29,655 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-18 11:12:29,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-18 11:12:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:29,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:29,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:29,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 11:12:29,685 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:29,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:29,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2081687067, now seen corresponding path program 23 times [2022-01-18 11:12:29,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:29,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258188477] [2022-01-18 11:12:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:29,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:30,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:30,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258188477] [2022-01-18 11:12:30,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258188477] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:30,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:30,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:30,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973509566] [2022-01-18 11:12:30,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:30,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:30,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:30,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:30,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:30,050 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:32,587 INFO L93 Difference]: Finished difference Result 31392 states and 85919 transitions. [2022-01-18 11:12:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:12:32,587 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:32,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:32,645 INFO L225 Difference]: With dead ends: 31392 [2022-01-18 11:12:32,645 INFO L226 Difference]: Without dead ends: 31392 [2022-01-18 11:12:32,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=563, Invalid=4407, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:12:32,646 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1487 mSDsluCounter, 19328 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 20028 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:32,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1487 Valid, 20028 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4332 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:12:32,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31392 states. [2022-01-18 11:12:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 22367. [2022-01-18 11:12:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-18 11:12:33,094 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-18 11:12:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:33,094 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-18 11:12:33,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-18 11:12:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:33,124 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:33,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:33,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 11:12:33,124 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:33,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:33,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1079315087, now seen corresponding path program 24 times [2022-01-18 11:12:33,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:33,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462505141] [2022-01-18 11:12:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:33,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:33,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:33,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462505141] [2022-01-18 11:12:33,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462505141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:33,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:33,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:33,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18510561] [2022-01-18 11:12:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:33,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:33,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:33,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:33,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:33,476 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:35,987 INFO L93 Difference]: Finished difference Result 32126 states and 87613 transitions. [2022-01-18 11:12:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:12:35,987 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:36,044 INFO L225 Difference]: With dead ends: 32126 [2022-01-18 11:12:36,044 INFO L226 Difference]: Without dead ends: 32126 [2022-01-18 11:12:36,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=556, Invalid=4414, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:12:36,046 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 1542 mSDsluCounter, 20077 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 20780 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:36,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 20780 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:12:36,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32126 states. [2022-01-18 11:12:36,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32126 to 22351. [2022-01-18 11:12:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:12:36,667 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:12:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:36,668 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:12:36,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:12:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:36,697 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:36,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:36,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 11:12:36,697 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash -46187899, now seen corresponding path program 25 times [2022-01-18 11:12:36,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:36,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168150178] [2022-01-18 11:12:36,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:36,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:37,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:37,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168150178] [2022-01-18 11:12:37,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168150178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:37,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:37,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:37,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859689259] [2022-01-18 11:12:37,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:37,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:37,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:37,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:37,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:37,048 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:40,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:40,061 INFO L93 Difference]: Finished difference Result 39735 states and 108146 transitions. [2022-01-18 11:12:40,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:12:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:40,132 INFO L225 Difference]: With dead ends: 39735 [2022-01-18 11:12:40,132 INFO L226 Difference]: Without dead ends: 39735 [2022-01-18 11:12:40,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:12:40,134 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1973 mSDsluCounter, 22285 mSDsCounter, 0 mSdLazyCounter, 5160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:40,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 22927 Invalid, 5181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5160 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:12:40,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39735 states. [2022-01-18 11:12:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39735 to 22703. [2022-01-18 11:12:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22703 states, 22702 states have (on average 2.757246057616069) internal successors, (62595), 22702 states have internal predecessors, (62595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 62595 transitions. [2022-01-18 11:12:40,730 INFO L78 Accepts]: Start accepts. Automaton has 22703 states and 62595 transitions. Word has length 199 [2022-01-18 11:12:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:40,730 INFO L470 AbstractCegarLoop]: Abstraction has 22703 states and 62595 transitions. [2022-01-18 11:12:40,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 22703 states and 62595 transitions. [2022-01-18 11:12:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:40,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:40,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:40,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 11:12:40,759 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:40,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2067985941, now seen corresponding path program 26 times [2022-01-18 11:12:40,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:40,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317446227] [2022-01-18 11:12:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:40,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:41,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:41,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317446227] [2022-01-18 11:12:41,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317446227] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:41,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:41,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:41,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456845285] [2022-01-18 11:12:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:41,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:41,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:41,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:41,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:41,099 INFO L87 Difference]: Start difference. First operand 22703 states and 62595 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:43,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:43,981 INFO L93 Difference]: Finished difference Result 38036 states and 103866 transitions. [2022-01-18 11:12:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:12:43,981 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:43,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:44,184 INFO L225 Difference]: With dead ends: 38036 [2022-01-18 11:12:44,184 INFO L226 Difference]: Without dead ends: 38036 [2022-01-18 11:12:44,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=5637, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:12:44,185 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 1877 mSDsluCounter, 22141 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 22872 SdHoareTripleChecker+Invalid, 4918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:44,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 22872 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:12:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38036 states. [2022-01-18 11:12:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38036 to 22639. [2022-01-18 11:12:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-18 11:12:44,592 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-18 11:12:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:44,592 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-18 11:12:44,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-18 11:12:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:44,620 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:44,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:44,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 11:12:44,620 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:44,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:44,621 INFO L85 PathProgramCache]: Analyzing trace with hash -144848571, now seen corresponding path program 27 times [2022-01-18 11:12:44,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:44,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842589378] [2022-01-18 11:12:44,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:44,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:44,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:44,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842589378] [2022-01-18 11:12:44,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842589378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:44,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:44,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:44,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777794738] [2022-01-18 11:12:44,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:44,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:44,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:44,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:44,967 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:47,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:47,830 INFO L93 Difference]: Finished difference Result 36907 states and 100963 transitions. [2022-01-18 11:12:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:12:47,831 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:47,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:47,894 INFO L225 Difference]: With dead ends: 36907 [2022-01-18 11:12:47,894 INFO L226 Difference]: Without dead ends: 36907 [2022-01-18 11:12:47,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=612, Invalid=4938, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:12:47,895 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 1675 mSDsluCounter, 21831 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 22570 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:47,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 22570 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:12:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36907 states. [2022-01-18 11:12:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36907 to 22591. [2022-01-18 11:12:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22591 states, 22590 states have (on average 2.755334218680832) internal successors, (62243), 22590 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 62243 transitions. [2022-01-18 11:12:48,346 INFO L78 Accepts]: Start accepts. Automaton has 22591 states and 62243 transitions. Word has length 199 [2022-01-18 11:12:48,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:48,347 INFO L470 AbstractCegarLoop]: Abstraction has 22591 states and 62243 transitions. [2022-01-18 11:12:48,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22591 states and 62243 transitions. [2022-01-18 11:12:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:48,377 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:48,377 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:48,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 11:12:48,377 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:48,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:48,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1456438329, now seen corresponding path program 28 times [2022-01-18 11:12:48,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:48,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764966522] [2022-01-18 11:12:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:48,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:48,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:48,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764966522] [2022-01-18 11:12:48,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764966522] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:48,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:48,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:48,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932706018] [2022-01-18 11:12:48,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:48,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:48,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:48,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:48,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:48,705 INFO L87 Difference]: Start difference. First operand 22591 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:51,462 INFO L93 Difference]: Finished difference Result 38265 states and 104355 transitions. [2022-01-18 11:12:51,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:12:51,462 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:51,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:51,532 INFO L225 Difference]: With dead ends: 38265 [2022-01-18 11:12:51,532 INFO L226 Difference]: Without dead ends: 38265 [2022-01-18 11:12:51,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=608, Invalid=4942, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:12:51,533 INFO L933 BasicCegarLoop]: 1018 mSDtfsCounter, 1731 mSDsluCounter, 22149 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 22898 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:51,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 22898 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:12:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38265 states. [2022-01-18 11:12:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 22575. [2022-01-18 11:12:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.755160804465314) internal successors, (62195), 22574 states have internal predecessors, (62195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62195 transitions. [2022-01-18 11:12:52,018 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62195 transitions. Word has length 199 [2022-01-18 11:12:52,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:52,018 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62195 transitions. [2022-01-18 11:12:52,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62195 transitions. [2022-01-18 11:12:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:52,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:52,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:52,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 11:12:52,047 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:52,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:52,048 INFO L85 PathProgramCache]: Analyzing trace with hash 855207011, now seen corresponding path program 29 times [2022-01-18 11:12:52,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:52,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569413791] [2022-01-18 11:12:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:52,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:52,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:52,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569413791] [2022-01-18 11:12:52,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569413791] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:52,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:52,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:52,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661794701] [2022-01-18 11:12:52,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:52,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:52,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:52,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:52,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:52,372 INFO L87 Difference]: Start difference. First operand 22575 states and 62195 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:55,104 INFO L93 Difference]: Finished difference Result 39508 states and 107527 transitions. [2022-01-18 11:12:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:12:55,105 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:55,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:55,177 INFO L225 Difference]: With dead ends: 39508 [2022-01-18 11:12:55,177 INFO L226 Difference]: Without dead ends: 39508 [2022-01-18 11:12:55,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:12:55,178 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 1701 mSDsluCounter, 22975 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 23740 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:55,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 23740 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:12:55,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39508 states. [2022-01-18 11:12:55,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39508 to 22367. [2022-01-18 11:12:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-18 11:12:55,662 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-18 11:12:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:55,662 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-18 11:12:55,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-18 11:12:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:55,690 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:55,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:55,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 11:12:55,690 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1509746783, now seen corresponding path program 30 times [2022-01-18 11:12:55,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:55,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795721341] [2022-01-18 11:12:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:55,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:56,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:56,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795721341] [2022-01-18 11:12:56,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795721341] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:56,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:56,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:56,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587558688] [2022-01-18 11:12:56,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:56,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:56,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:56,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:56,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:56,023 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:12:58,578 INFO L93 Difference]: Finished difference Result 35077 states and 95419 transitions. [2022-01-18 11:12:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:12:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:12:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:12:58,639 INFO L225 Difference]: With dead ends: 35077 [2022-01-18 11:12:58,639 INFO L226 Difference]: Without dead ends: 35077 [2022-01-18 11:12:58,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:12:58,640 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 1658 mSDsluCounter, 22019 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22741 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:12:58,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22741 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:12:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35077 states. [2022-01-18 11:12:59,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35077 to 22351. [2022-01-18 11:12:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:12:59,079 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:12:59,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:12:59,079 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:12:59,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:12:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:12:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:12:59,106 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:12:59,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:12:59,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 11:12:59,107 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:12:59,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:12:59,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1890066857, now seen corresponding path program 31 times [2022-01-18 11:12:59,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:12:59,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009416734] [2022-01-18 11:12:59,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:12:59,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:12:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:12:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:12:59,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:12:59,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009416734] [2022-01-18 11:12:59,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009416734] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:12:59,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:12:59,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:12:59,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012895205] [2022-01-18 11:12:59,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:12:59,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:12:59,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:12:59,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:12:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:12:59,433 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:02,485 INFO L93 Difference]: Finished difference Result 40282 states and 109626 transitions. [2022-01-18 11:13:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:13:02,485 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:02,557 INFO L225 Difference]: With dead ends: 40282 [2022-01-18 11:13:02,557 INFO L226 Difference]: Without dead ends: 40282 [2022-01-18 11:13:02,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=5592, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:13:02,558 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 2101 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 23936 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:02,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2101 Valid, 23936 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5103 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:13:02,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40282 states. [2022-01-18 11:13:02,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40282 to 22751. [2022-01-18 11:13:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.757758241758242) internal successors, (62739), 22750 states have internal predecessors, (62739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62739 transitions. [2022-01-18 11:13:03,065 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62739 transitions. Word has length 199 [2022-01-18 11:13:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:03,065 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62739 transitions. [2022-01-18 11:13:03,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62739 transitions. [2022-01-18 11:13:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:03,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:03,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:03,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 11:13:03,095 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:03,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:03,096 INFO L85 PathProgramCache]: Analyzing trace with hash 383102397, now seen corresponding path program 32 times [2022-01-18 11:13:03,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:03,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024923037] [2022-01-18 11:13:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:03,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:03,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:03,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024923037] [2022-01-18 11:13:03,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024923037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:03,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:03,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:03,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316292952] [2022-01-18 11:13:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:03,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:03,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:03,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:03,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:03,425 INFO L87 Difference]: Start difference. First operand 22751 states and 62739 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:06,382 INFO L93 Difference]: Finished difference Result 38395 states and 104854 transitions. [2022-01-18 11:13:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:13:06,382 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:06,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:06,449 INFO L225 Difference]: With dead ends: 38395 [2022-01-18 11:13:06,450 INFO L226 Difference]: Without dead ends: 38395 [2022-01-18 11:13:06,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=704, Invalid=5776, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:13:06,451 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 1966 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 23493 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:06,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 23493 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:06,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38395 states. [2022-01-18 11:13:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38395 to 22687. [2022-01-18 11:13:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-18 11:13:06,959 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-18 11:13:06,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:06,959 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-18 11:13:06,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-18 11:13:06,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:06,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:06,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:06,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 11:13:06,990 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:06,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:06,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1988727529, now seen corresponding path program 33 times [2022-01-18 11:13:06,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:06,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242542252] [2022-01-18 11:13:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:06,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:07,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:07,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242542252] [2022-01-18 11:13:07,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242542252] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:07,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:07,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:07,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750720204] [2022-01-18 11:13:07,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:07,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:07,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:07,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:07,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:07,322 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:10,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:10,122 INFO L93 Difference]: Finished difference Result 37266 states and 101951 transitions. [2022-01-18 11:13:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:13:10,123 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:10,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:10,192 INFO L225 Difference]: With dead ends: 37266 [2022-01-18 11:13:10,192 INFO L226 Difference]: Without dead ends: 37266 [2022-01-18 11:13:10,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=5071, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:13:10,193 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 1764 mSDsluCounter, 22363 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 23105 SdHoareTripleChecker+Invalid, 4794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:10,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 23105 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:10,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37266 states. [2022-01-18 11:13:10,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37266 to 22639. [2022-01-18 11:13:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-18 11:13:10,692 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-18 11:13:10,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:10,692 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-18 11:13:10,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-18 11:13:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:10,722 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:10,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:10,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 11:13:10,722 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash -387440629, now seen corresponding path program 34 times [2022-01-18 11:13:10,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:10,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159498158] [2022-01-18 11:13:10,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:10,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:11,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:11,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159498158] [2022-01-18 11:13:11,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159498158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:11,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:11,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:11,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938422783] [2022-01-18 11:13:11,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:11,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:11,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:11,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:11,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:11,059 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:13,857 INFO L93 Difference]: Finished difference Result 38624 states and 105343 transitions. [2022-01-18 11:13:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:13:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:13,928 INFO L225 Difference]: With dead ends: 38624 [2022-01-18 11:13:13,928 INFO L226 Difference]: Without dead ends: 38624 [2022-01-18 11:13:13,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=626, Invalid=5074, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:13:13,929 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1820 mSDsluCounter, 22664 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 23416 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:13,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1820 Valid, 23416 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38624 states. [2022-01-18 11:13:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38624 to 22623. [2022-01-18 11:13:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 22622 states have (on average 2.7556803112014854) internal successors, (62339), 22622 states have internal predecessors, (62339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 62339 transitions. [2022-01-18 11:13:14,440 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 62339 transitions. Word has length 199 [2022-01-18 11:13:14,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:14,441 INFO L470 AbstractCegarLoop]: Abstraction has 22623 states and 62339 transitions. [2022-01-18 11:13:14,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 62339 transitions. [2022-01-18 11:13:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:14,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:14,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:14,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 11:13:14,471 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash -988671947, now seen corresponding path program 35 times [2022-01-18 11:13:14,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:14,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428742039] [2022-01-18 11:13:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:14,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:14,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:14,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428742039] [2022-01-18 11:13:14,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428742039] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:14,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:14,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:14,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931925150] [2022-01-18 11:13:14,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:14,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:14,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:14,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:14,806 INFO L87 Difference]: Start difference. First operand 22623 states and 62339 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:17,596 INFO L93 Difference]: Finished difference Result 39867 states and 108515 transitions. [2022-01-18 11:13:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:13:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:17,669 INFO L225 Difference]: With dead ends: 39867 [2022-01-18 11:13:17,669 INFO L226 Difference]: Without dead ends: 39867 [2022-01-18 11:13:17,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=620, Invalid=5080, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:13:17,670 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1790 mSDsluCounter, 23447 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 24216 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:17,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 24216 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39867 states. [2022-01-18 11:13:18,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 22415. [2022-01-18 11:13:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-18 11:13:18,164 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-18 11:13:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:18,164 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-18 11:13:18,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-18 11:13:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:18,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:18,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:18,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 11:13:18,192 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:18,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:18,192 INFO L85 PathProgramCache]: Analyzing trace with hash 941341555, now seen corresponding path program 36 times [2022-01-18 11:13:18,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:18,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38350972] [2022-01-18 11:13:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:18,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:18,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:18,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38350972] [2022-01-18 11:13:18,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38350972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:18,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:18,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:18,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54014425] [2022-01-18 11:13:18,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:18,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:18,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:18,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:18,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:18,543 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:21,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:21,333 INFO L93 Difference]: Finished difference Result 40525 states and 110237 transitions. [2022-01-18 11:13:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:13:21,333 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:21,406 INFO L225 Difference]: With dead ends: 40525 [2022-01-18 11:13:21,406 INFO L226 Difference]: Without dead ends: 40525 [2022-01-18 11:13:21,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:13:21,407 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 1769 mSDsluCounter, 23619 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 24391 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:21,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 24391 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40525 states. [2022-01-18 11:13:21,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40525 to 22399. [2022-01-18 11:13:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 11:13:21,906 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 11:13:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:21,906 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 11:13:21,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 11:13:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:21,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:21,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:21,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 11:13:21,934 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:21,935 INFO L85 PathProgramCache]: Analyzing trace with hash -707584439, now seen corresponding path program 37 times [2022-01-18 11:13:21,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:21,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466483406] [2022-01-18 11:13:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:21,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:22,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:22,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466483406] [2022-01-18 11:13:22,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466483406] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:22,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:22,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:22,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778866507] [2022-01-18 11:13:22,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:22,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:22,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:22,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:22,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:22,266 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:24,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:24,805 INFO L93 Difference]: Finished difference Result 35490 states and 96535 transitions. [2022-01-18 11:13:24,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:13:24,806 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:24,863 INFO L225 Difference]: With dead ends: 35490 [2022-01-18 11:13:24,864 INFO L226 Difference]: Without dead ends: 35490 [2022-01-18 11:13:24,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=565, Invalid=4547, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:13:24,865 INFO L933 BasicCegarLoop]: 1034 mSDtfsCounter, 1693 mSDsluCounter, 22562 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 23287 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:24,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 23287 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:13:24,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35490 states. [2022-01-18 11:13:25,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35490 to 22351. [2022-01-18 11:13:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:13:25,246 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:13:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:25,246 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:13:25,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:13:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:25,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:25,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:25,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 11:13:25,272 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1198885449, now seen corresponding path program 38 times [2022-01-18 11:13:25,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:25,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739358876] [2022-01-18 11:13:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:25,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:25,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:25,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739358876] [2022-01-18 11:13:25,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739358876] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:25,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:25,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:25,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671733896] [2022-01-18 11:13:25,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:25,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:25,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:25,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:25,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:25,586 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:28,766 INFO L93 Difference]: Finished difference Result 41047 states and 111676 transitions. [2022-01-18 11:13:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-18 11:13:28,767 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:28,835 INFO L225 Difference]: With dead ends: 41047 [2022-01-18 11:13:28,835 INFO L226 Difference]: Without dead ends: 41047 [2022-01-18 11:13:28,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=824, Invalid=6316, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 11:13:28,836 INFO L933 BasicCegarLoop]: 1093 mSDtfsCounter, 2260 mSDsluCounter, 24260 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 24905 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:28,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2260 Valid, 24905 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:13:28,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-18 11:13:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22799. [2022-01-18 11:13:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7582682691464164) internal successors, (62883), 22798 states have internal predecessors, (62883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62883 transitions. [2022-01-18 11:13:29,328 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62883 transitions. Word has length 199 [2022-01-18 11:13:29,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:29,329 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62883 transitions. [2022-01-18 11:13:29,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62883 transitions. [2022-01-18 11:13:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:29,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:29,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:29,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 11:13:29,356 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -822912593, now seen corresponding path program 39 times [2022-01-18 11:13:29,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:29,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936551064] [2022-01-18 11:13:29,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:29,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:29,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:29,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936551064] [2022-01-18 11:13:29,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936551064] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:29,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:29,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:29,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122023031] [2022-01-18 11:13:29,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:29,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:29,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:29,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:29,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:29,735 INFO L87 Difference]: Start difference. First operand 22799 states and 62883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:32,726 INFO L93 Difference]: Finished difference Result 38878 states and 106166 transitions. [2022-01-18 11:13:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 11:13:32,730 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:32,802 INFO L225 Difference]: With dead ends: 38878 [2022-01-18 11:13:32,802 INFO L226 Difference]: Without dead ends: 38878 [2022-01-18 11:13:32,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1463 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=758, Invalid=6214, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 11:13:32,803 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 2085 mSDsluCounter, 23345 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 24075 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:32,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 24075 Invalid, 4862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:32,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38878 states. [2022-01-18 11:13:33,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38878 to 22735. [2022-01-18 11:13:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22735 states, 22734 states have (on average 2.7568839623471453) internal successors, (62675), 22734 states have internal predecessors, (62675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22735 states to 22735 states and 62675 transitions. [2022-01-18 11:13:33,272 INFO L78 Accepts]: Start accepts. Automaton has 22735 states and 62675 transitions. Word has length 199 [2022-01-18 11:13:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:33,272 INFO L470 AbstractCegarLoop]: Abstraction has 22735 states and 62675 transitions. [2022-01-18 11:13:33,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 22735 states and 62675 transitions. [2022-01-18 11:13:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:33,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:33,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:33,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 11:13:33,299 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1100224777, now seen corresponding path program 40 times [2022-01-18 11:13:33,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:33,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567111571] [2022-01-18 11:13:33,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:33,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:33,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:33,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567111571] [2022-01-18 11:13:33,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567111571] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:33,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:33,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:33,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925326941] [2022-01-18 11:13:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:33,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:33,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:33,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:33,625 INFO L87 Difference]: Start difference. First operand 22735 states and 62675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:36,481 INFO L93 Difference]: Finished difference Result 37749 states and 103263 transitions. [2022-01-18 11:13:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:13:36,482 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:36,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:36,546 INFO L225 Difference]: With dead ends: 37749 [2022-01-18 11:13:36,547 INFO L226 Difference]: Without dead ends: 37749 [2022-01-18 11:13:36,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:13:36,548 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 1883 mSDsluCounter, 22855 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 23601 SdHoareTripleChecker+Invalid, 4795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:36,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 23601 Invalid, 4795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:36,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37749 states. [2022-01-18 11:13:36,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37749 to 22687. [2022-01-18 11:13:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-18 11:13:36,996 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-18 11:13:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:36,996 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-18 11:13:36,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-18 11:13:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:37,026 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:37,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:37,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 11:13:37,027 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1593455619, now seen corresponding path program 41 times [2022-01-18 11:13:37,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:37,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963221837] [2022-01-18 11:13:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:37,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:37,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:37,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963221837] [2022-01-18 11:13:37,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963221837] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:37,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:37,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:37,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052007334] [2022-01-18 11:13:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:37,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:37,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:37,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:37,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:37,345 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:40,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:40,180 INFO L93 Difference]: Finished difference Result 39107 states and 106655 transitions. [2022-01-18 11:13:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:13:40,181 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:40,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:40,246 INFO L225 Difference]: With dead ends: 39107 [2022-01-18 11:13:40,246 INFO L226 Difference]: Without dead ends: 39107 [2022-01-18 11:13:40,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5485, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:13:40,247 INFO L933 BasicCegarLoop]: 1066 mSDtfsCounter, 1939 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 23897 SdHoareTripleChecker+Invalid, 4724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:40,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 23897 Invalid, 4724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39107 states. [2022-01-18 11:13:40,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39107 to 22671. [2022-01-18 11:13:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.7561976179973535) internal successors, (62483), 22670 states have internal predecessors, (62483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62483 transitions. [2022-01-18 11:13:40,742 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62483 transitions. Word has length 199 [2022-01-18 11:13:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:40,742 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62483 transitions. [2022-01-18 11:13:40,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62483 transitions. [2022-01-18 11:13:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:40,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:40,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:40,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 11:13:40,771 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:40,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2100280359, now seen corresponding path program 42 times [2022-01-18 11:13:40,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:40,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820177565] [2022-01-18 11:13:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:40,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:41,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:41,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820177565] [2022-01-18 11:13:41,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820177565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:41,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:41,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:41,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803120275] [2022-01-18 11:13:41,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:41,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:41,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:41,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:41,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:41,087 INFO L87 Difference]: Start difference. First operand 22671 states and 62483 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:43,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:43,946 INFO L93 Difference]: Finished difference Result 40350 states and 109827 transitions. [2022-01-18 11:13:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:13:43,946 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:43,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:44,021 INFO L225 Difference]: With dead ends: 40350 [2022-01-18 11:13:44,022 INFO L226 Difference]: Without dead ends: 40350 [2022-01-18 11:13:44,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=672, Invalid=5490, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:13:44,023 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1909 mSDsluCounter, 23881 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 24655 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:44,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1909 Valid, 24655 Invalid, 4727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40350 states. [2022-01-18 11:13:44,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 22463. [2022-01-18 11:13:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7539399875345025) internal successors, (61859), 22462 states have internal predecessors, (61859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61859 transitions. [2022-01-18 11:13:44,512 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61859 transitions. Word has length 199 [2022-01-18 11:13:44,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:44,512 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61859 transitions. [2022-01-18 11:13:44,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61859 transitions. [2022-01-18 11:13:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:44,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:44,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:44,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 11:13:44,541 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash -264673435, now seen corresponding path program 43 times [2022-01-18 11:13:44,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:44,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387406724] [2022-01-18 11:13:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:44,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:44,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:44,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387406724] [2022-01-18 11:13:44,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387406724] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:44,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:44,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:44,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165593989] [2022-01-18 11:13:44,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:44,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:44,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:44,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:44,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:44,929 INFO L87 Difference]: Start difference. First operand 22463 states and 61859 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:47,798 INFO L93 Difference]: Finished difference Result 41008 states and 111549 transitions. [2022-01-18 11:13:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:13:47,799 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:47,871 INFO L225 Difference]: With dead ends: 41008 [2022-01-18 11:13:47,871 INFO L226 Difference]: Without dead ends: 41008 [2022-01-18 11:13:47,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:13:47,872 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 1888 mSDsluCounter, 24048 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 24825 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:47,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1888 Valid, 24825 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:13:47,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41008 states. [2022-01-18 11:13:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41008 to 22447. [2022-01-18 11:13:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.7537645905729304) internal successors, (61811), 22446 states have internal predecessors, (61811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61811 transitions. [2022-01-18 11:13:48,397 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61811 transitions. Word has length 199 [2022-01-18 11:13:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:48,397 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61811 transitions. [2022-01-18 11:13:48,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61811 transitions. [2022-01-18 11:13:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:48,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:48,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:48,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 11:13:48,426 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:48,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1913599429, now seen corresponding path program 44 times [2022-01-18 11:13:48,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:48,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541850821] [2022-01-18 11:13:48,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:48,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:48,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:48,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541850821] [2022-01-18 11:13:48,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541850821] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:48,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:48,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:48,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828524177] [2022-01-18 11:13:48,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:48,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:48,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:48,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:48,762 INFO L87 Difference]: Start difference. First operand 22447 states and 61811 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:51,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:51,521 INFO L93 Difference]: Finished difference Result 41196 states and 112041 transitions. [2022-01-18 11:13:51,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:13:51,522 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:51,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:51,593 INFO L225 Difference]: With dead ends: 41196 [2022-01-18 11:13:51,594 INFO L226 Difference]: Without dead ends: 41196 [2022-01-18 11:13:51,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=635, Invalid=5217, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:13:51,595 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1834 mSDsluCounter, 24197 mSDsCounter, 0 mSdLazyCounter, 4518 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 24975 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:51,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 24975 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4518 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:13:51,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41196 states. [2022-01-18 11:13:52,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41196 to 22399. [2022-01-18 11:13:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-18 11:13:52,080 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-18 11:13:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:52,080 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-18 11:13:52,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-18 11:13:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:52,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:52,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:52,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 11:13:52,108 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:52,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:52,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1972789787, now seen corresponding path program 45 times [2022-01-18 11:13:52,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:52,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121890047] [2022-01-18 11:13:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:52,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:52,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:52,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:52,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121890047] [2022-01-18 11:13:52,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121890047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:52,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:52,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:52,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10935641] [2022-01-18 11:13:52,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:52,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:52,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:52,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:52,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:52,492 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:55,074 INFO L93 Difference]: Finished difference Result 35877 states and 97559 transitions. [2022-01-18 11:13:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:13:55,074 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:55,134 INFO L225 Difference]: With dead ends: 35877 [2022-01-18 11:13:55,134 INFO L226 Difference]: Without dead ends: 35877 [2022-01-18 11:13:55,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=618, Invalid=4932, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:13:55,135 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 1782 mSDsluCounter, 23025 mSDsCounter, 0 mSdLazyCounter, 4151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 23753 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:55,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 23753 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4151 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:13:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35877 states. [2022-01-18 11:13:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 22351. [2022-01-18 11:13:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-18 11:13:55,581 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-18 11:13:55,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:55,581 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-18 11:13:55,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-18 11:13:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:55,610 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:55,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:55,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 11:13:55,610 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:55,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1309715475, now seen corresponding path program 46 times [2022-01-18 11:13:55,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:55,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497978334] [2022-01-18 11:13:55,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:55,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:13:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:13:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:13:55,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:13:55,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497978334] [2022-01-18 11:13:55,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497978334] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:13:55,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:13:55,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:13:55,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011697616] [2022-01-18 11:13:55,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:13:55,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:13:55,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:13:55,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:13:55,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:13:55,941 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:13:59,276 INFO L93 Difference]: Finished difference Result 43816 states and 119376 transitions. [2022-01-18 11:13:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:13:59,277 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:13:59,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:13:59,359 INFO L225 Difference]: With dead ends: 43816 [2022-01-18 11:13:59,359 INFO L226 Difference]: Without dead ends: 43816 [2022-01-18 11:13:59,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=848, Invalid=5958, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:13:59,360 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2398 mSDsluCounter, 23325 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 23927 SdHoareTripleChecker+Invalid, 5329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:13:59,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 23927 Invalid, 5329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5306 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:13:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43816 states. [2022-01-18 11:13:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43816 to 22923. [2022-01-18 11:13:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.757002006805689) internal successors, (63196), 22922 states have internal predecessors, (63196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63196 transitions. [2022-01-18 11:13:59,965 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63196 transitions. Word has length 199 [2022-01-18 11:13:59,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:13:59,966 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63196 transitions. [2022-01-18 11:13:59,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:13:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63196 transitions. [2022-01-18 11:13:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:13:59,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:13:59,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:13:59,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 11:13:59,994 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:13:59,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:13:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash -712082567, now seen corresponding path program 47 times [2022-01-18 11:13:59,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:13:59,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881055808] [2022-01-18 11:13:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:13:59,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:00,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:00,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881055808] [2022-01-18 11:14:00,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881055808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:00,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:00,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:00,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071996602] [2022-01-18 11:14:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:00,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:00,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:00,301 INFO L87 Difference]: Start difference. First operand 22923 states and 63196 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:03,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:03,396 INFO L93 Difference]: Finished difference Result 41749 states and 114148 transitions. [2022-01-18 11:14:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:14:03,396 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:03,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:03,474 INFO L225 Difference]: With dead ends: 41749 [2022-01-18 11:14:03,474 INFO L226 Difference]: Without dead ends: 41749 [2022-01-18 11:14:03,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=792, Invalid=5850, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:14:03,475 INFO L933 BasicCegarLoop]: 1043 mSDtfsCounter, 2355 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 23086 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:03,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 23086 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:03,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41749 states. [2022-01-18 11:14:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 22859. [2022-01-18 11:14:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22859 states, 22858 states have (on average 2.755621664187593) internal successors, (62988), 22858 states have internal predecessors, (62988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22859 states to 22859 states and 62988 transitions. [2022-01-18 11:14:03,994 INFO L78 Accepts]: Start accepts. Automaton has 22859 states and 62988 transitions. Word has length 199 [2022-01-18 11:14:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:03,994 INFO L470 AbstractCegarLoop]: Abstraction has 22859 states and 62988 transitions. [2022-01-18 11:14:03,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22859 states and 62988 transitions. [2022-01-18 11:14:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:04,022 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:04,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:04,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 11:14:04,022 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:04,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1211054803, now seen corresponding path program 48 times [2022-01-18 11:14:04,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353847344] [2022-01-18 11:14:04,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:04,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:04,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:04,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353847344] [2022-01-18 11:14:04,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353847344] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:04,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:04,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:04,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855270412] [2022-01-18 11:14:04,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:04,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:04,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:04,334 INFO L87 Difference]: Start difference. First operand 22859 states and 62988 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:07,275 INFO L93 Difference]: Finished difference Result 39891 states and 109363 transitions. [2022-01-18 11:14:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:14:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:07,345 INFO L225 Difference]: With dead ends: 39891 [2022-01-18 11:14:07,345 INFO L226 Difference]: Without dead ends: 39891 [2022-01-18 11:14:07,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=685, Invalid=5015, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:14:07,346 INFO L933 BasicCegarLoop]: 1038 mSDtfsCounter, 2085 mSDsluCounter, 21909 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 22652 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:07,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 22652 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:07,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39891 states. [2022-01-18 11:14:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39891 to 22811. [2022-01-18 11:14:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7551074090311265) internal successors, (62844), 22810 states have internal predecessors, (62844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62844 transitions. [2022-01-18 11:14:07,845 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62844 transitions. Word has length 199 [2022-01-18 11:14:07,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:07,845 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62844 transitions. [2022-01-18 11:14:07,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62844 transitions. [2022-01-18 11:14:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:07,875 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:07,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:07,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 11:14:07,876 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1482625593, now seen corresponding path program 49 times [2022-01-18 11:14:07,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:07,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804736125] [2022-01-18 11:14:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:07,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:08,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:08,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804736125] [2022-01-18 11:14:08,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804736125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:08,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:08,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:08,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224981898] [2022-01-18 11:14:08,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:08,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:08,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:08,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:08,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:08,210 INFO L87 Difference]: Start difference. First operand 22811 states and 62844 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:11,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:11,128 INFO L93 Difference]: Finished difference Result 41249 states and 112755 transitions. [2022-01-18 11:14:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:14:11,128 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:11,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:11,206 INFO L225 Difference]: With dead ends: 41249 [2022-01-18 11:14:11,206 INFO L226 Difference]: Without dead ends: 41249 [2022-01-18 11:14:11,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=686, Invalid=5014, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:14:11,207 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2141 mSDsluCounter, 22173 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:11,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 22927 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41249 states. [2022-01-18 11:14:11,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41249 to 22795. [2022-01-18 11:14:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22795 states, 22794 states have (on average 2.7549355093445644) internal successors, (62796), 22794 states have internal predecessors, (62796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22795 states to 22795 states and 62796 transitions. [2022-01-18 11:14:11,732 INFO L78 Accepts]: Start accepts. Automaton has 22795 states and 62796 transitions. Word has length 199 [2022-01-18 11:14:11,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:11,733 INFO L470 AbstractCegarLoop]: Abstraction has 22795 states and 62796 transitions. [2022-01-18 11:14:11,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22795 states and 62796 transitions. [2022-01-18 11:14:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:11,759 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:11,760 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:11,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 11:14:11,760 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2083856911, now seen corresponding path program 50 times [2022-01-18 11:14:11,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:11,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102573533] [2022-01-18 11:14:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:11,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:12,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:12,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102573533] [2022-01-18 11:14:12,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102573533] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:12,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:12,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:12,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338086238] [2022-01-18 11:14:12,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:12,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:12,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:12,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:12,102 INFO L87 Difference]: Start difference. First operand 22795 states and 62796 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:14,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:14,983 INFO L93 Difference]: Finished difference Result 40242 states and 109897 transitions. [2022-01-18 11:14:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:14:14,984 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:15,058 INFO L225 Difference]: With dead ends: 40242 [2022-01-18 11:14:15,058 INFO L226 Difference]: Without dead ends: 40242 [2022-01-18 11:14:15,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=647, Invalid=4755, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:14:15,059 INFO L933 BasicCegarLoop]: 1098 mSDtfsCounter, 1949 mSDsluCounter, 23013 mSDsCounter, 0 mSdLazyCounter, 4900 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 23797 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:15,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 23797 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4900 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40242 states. [2022-01-18 11:14:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 22587. [2022-01-18 11:14:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.752678650491455) internal successors, (62172), 22586 states have internal predecessors, (62172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62172 transitions. [2022-01-18 11:14:15,559 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62172 transitions. Word has length 199 [2022-01-18 11:14:15,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:15,559 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62172 transitions. [2022-01-18 11:14:15,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62172 transitions. [2022-01-18 11:14:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:15,586 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:15,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:15,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 11:14:15,586 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:15,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1390257003, now seen corresponding path program 51 times [2022-01-18 11:14:15,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:15,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372528618] [2022-01-18 11:14:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:15,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:15,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:15,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372528618] [2022-01-18 11:14:15,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372528618] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:15,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:15,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:15,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191164218] [2022-01-18 11:14:15,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:15,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:15,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:15,901 INFO L87 Difference]: Start difference. First operand 22587 states and 62172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:18,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:18,754 INFO L93 Difference]: Finished difference Result 37931 states and 103594 transitions. [2022-01-18 11:14:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:14:18,754 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:18,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:18,819 INFO L225 Difference]: With dead ends: 37931 [2022-01-18 11:14:18,819 INFO L226 Difference]: Without dead ends: 37931 [2022-01-18 11:14:18,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=658, Invalid=4744, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:14:18,820 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 2059 mSDsluCounter, 20751 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 21351 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:18,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 21351 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4859 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37931 states. [2022-01-18 11:14:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37931 to 22747. [2022-01-18 11:14:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-18 11:14:19,303 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-18 11:14:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:19,304 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-18 11:14:19,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-18 11:14:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:19,331 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:19,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:19,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 11:14:19,332 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash 882912251, now seen corresponding path program 52 times [2022-01-18 11:14:19,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:19,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624278085] [2022-01-18 11:14:19,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:19,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:19,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:19,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624278085] [2022-01-18 11:14:19,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624278085] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:19,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:19,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:19,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842042393] [2022-01-18 11:14:19,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:19,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:19,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:19,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:19,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:19,638 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:22,431 INFO L93 Difference]: Finished difference Result 37027 states and 101394 transitions. [2022-01-18 11:14:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:14:22,432 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:22,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:22,494 INFO L225 Difference]: With dead ends: 37027 [2022-01-18 11:14:22,494 INFO L226 Difference]: Without dead ends: 37027 [2022-01-18 11:14:22,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=659, Invalid=4891, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:14:22,495 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 1987 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 20897 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:22,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1987 Valid, 20897 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37027 states. [2022-01-18 11:14:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37027 to 22683. [2022-01-18 11:14:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-18 11:14:22,975 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-18 11:14:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:22,975 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-18 11:14:22,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-18 11:14:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:23,004 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:23,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:23,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 11:14:23,004 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash 505715027, now seen corresponding path program 53 times [2022-01-18 11:14:23,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:23,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628746539] [2022-01-18 11:14:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:23,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:23,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:23,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628746539] [2022-01-18 11:14:23,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628746539] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:23,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:23,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:23,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548303546] [2022-01-18 11:14:23,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:23,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:23,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:23,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:23,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:23,329 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:25,980 INFO L93 Difference]: Finished difference Result 34832 states and 95221 transitions. [2022-01-18 11:14:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:14:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:26,038 INFO L225 Difference]: With dead ends: 34832 [2022-01-18 11:14:26,038 INFO L226 Difference]: Without dead ends: 34832 [2022-01-18 11:14:26,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=602, Invalid=4228, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 11:14:26,039 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 1721 mSDsluCounter, 20106 mSDsCounter, 0 mSdLazyCounter, 4608 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 20708 SdHoareTripleChecker+Invalid, 4627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:26,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 20708 Invalid, 4627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:14:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34832 states. [2022-01-18 11:14:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34832 to 22635. [2022-01-18 11:14:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22635 states, 22634 states have (on average 2.75267296986834) internal successors, (62304), 22634 states have internal predecessors, (62304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22635 states to 22635 states and 62304 transitions. [2022-01-18 11:14:26,449 INFO L78 Accepts]: Start accepts. Automaton has 22635 states and 62304 transitions. Word has length 199 [2022-01-18 11:14:26,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:26,449 INFO L470 AbstractCegarLoop]: Abstraction has 22635 states and 62304 transitions. [2022-01-18 11:14:26,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 22635 states and 62304 transitions. [2022-01-18 11:14:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:26,475 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:26,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:26,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 11:14:26,476 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:26,476 INFO L85 PathProgramCache]: Analyzing trace with hash 868421715, now seen corresponding path program 54 times [2022-01-18 11:14:26,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:26,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591447710] [2022-01-18 11:14:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:26,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:26,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:26,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591447710] [2022-01-18 11:14:26,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591447710] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:26,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:26,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:26,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750983093] [2022-01-18 11:14:26,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:26,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:26,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:26,788 INFO L87 Difference]: Start difference. First operand 22635 states and 62304 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:29,783 INFO L93 Difference]: Finished difference Result 38523 states and 105184 transitions. [2022-01-18 11:14:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:14:29,784 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:29,855 INFO L225 Difference]: With dead ends: 38523 [2022-01-18 11:14:29,855 INFO L226 Difference]: Without dead ends: 38523 [2022-01-18 11:14:29,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=702, Invalid=5150, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:14:29,856 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2003 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 22130 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:29,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 22130 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38523 states. [2022-01-18 11:14:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38523 to 22747. [2022-01-18 11:14:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-18 11:14:30,345 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-18 11:14:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:30,345 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-18 11:14:30,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-18 11:14:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:30,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:30,372 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:30,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 11:14:30,373 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:30,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:30,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1153376327, now seen corresponding path program 55 times [2022-01-18 11:14:30,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:30,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844254648] [2022-01-18 11:14:30,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:30,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:30,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:30,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844254648] [2022-01-18 11:14:30,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844254648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:30,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:30,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:30,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562306451] [2022-01-18 11:14:30,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:30,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:30,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:30,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:30,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:30,705 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:33,678 INFO L93 Difference]: Finished difference Result 37511 states and 102716 transitions. [2022-01-18 11:14:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:14:33,679 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:33,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:33,744 INFO L225 Difference]: With dead ends: 37511 [2022-01-18 11:14:33,744 INFO L226 Difference]: Without dead ends: 37511 [2022-01-18 11:14:33,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=681, Invalid=5171, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:14:33,745 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 1996 mSDsluCounter, 21319 mSDsCounter, 0 mSdLazyCounter, 4847 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 22052 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:33,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 22052 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4847 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37511 states. [2022-01-18 11:14:34,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37511 to 22683. [2022-01-18 11:14:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-18 11:14:34,216 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-18 11:14:34,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:34,217 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-18 11:14:34,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-18 11:14:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:34,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:34,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:34,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 11:14:34,244 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash -803922443, now seen corresponding path program 56 times [2022-01-18 11:14:34,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:34,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217301837] [2022-01-18 11:14:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:34,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:34,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:34,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217301837] [2022-01-18 11:14:34,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217301837] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:34,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:34,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:34,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780476836] [2022-01-18 11:14:34,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:34,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:34,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:34,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:34,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:34,592 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:37,278 INFO L93 Difference]: Finished difference Result 34252 states and 93913 transitions. [2022-01-18 11:14:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:14:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:37,342 INFO L225 Difference]: With dead ends: 34252 [2022-01-18 11:14:37,342 INFO L226 Difference]: Without dead ends: 34252 [2022-01-18 11:14:37,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=590, Invalid=4380, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:14:37,343 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 1692 mSDsluCounter, 20020 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 20724 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:37,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 20724 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:37,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34252 states. [2022-01-18 11:14:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34252 to 22599. [2022-01-18 11:14:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22599 states, 22598 states have (on average 2.752677228073281) internal successors, (62205), 22598 states have internal predecessors, (62205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 62205 transitions. [2022-01-18 11:14:37,810 INFO L78 Accepts]: Start accepts. Automaton has 22599 states and 62205 transitions. Word has length 199 [2022-01-18 11:14:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:37,811 INFO L470 AbstractCegarLoop]: Abstraction has 22599 states and 62205 transitions. [2022-01-18 11:14:37,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 22599 states and 62205 transitions. [2022-01-18 11:14:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:37,839 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:37,839 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:37,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 11:14:37,839 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:37,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:37,839 INFO L85 PathProgramCache]: Analyzing trace with hash -710520743, now seen corresponding path program 57 times [2022-01-18 11:14:37,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:37,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105279121] [2022-01-18 11:14:37,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:37,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:38,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:38,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105279121] [2022-01-18 11:14:38,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105279121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:38,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:38,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:38,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163651025] [2022-01-18 11:14:38,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:38,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:38,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:38,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:38,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:38,156 INFO L87 Difference]: Start difference. First operand 22599 states and 62205 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:41,391 INFO L93 Difference]: Finished difference Result 42529 states and 115942 transitions. [2022-01-18 11:14:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:14:41,391 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:41,472 INFO L225 Difference]: With dead ends: 42529 [2022-01-18 11:14:41,473 INFO L226 Difference]: Without dead ends: 42529 [2022-01-18 11:14:41,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=772, Invalid=5548, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:14:41,474 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 2184 mSDsluCounter, 22800 mSDsCounter, 0 mSdLazyCounter, 5288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 23418 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:41,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 23418 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5288 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:14:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42529 states. [2022-01-18 11:14:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 22727. [2022-01-18 11:14:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.754774267358972) internal successors, (62605), 22726 states have internal predecessors, (62605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62605 transitions. [2022-01-18 11:14:42,025 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62605 transitions. Word has length 199 [2022-01-18 11:14:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:42,026 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62605 transitions. [2022-01-18 11:14:42,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62605 transitions. [2022-01-18 11:14:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:42,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:42,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:42,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 11:14:42,055 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1562648511, now seen corresponding path program 58 times [2022-01-18 11:14:42,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:42,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277864520] [2022-01-18 11:14:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:42,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:42,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:42,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277864520] [2022-01-18 11:14:42,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277864520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:42,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:42,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:42,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100526949] [2022-01-18 11:14:42,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:42,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:42,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:42,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:42,397 INFO L87 Difference]: Start difference. First operand 22727 states and 62605 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:45,537 INFO L93 Difference]: Finished difference Result 41346 states and 113036 transitions. [2022-01-18 11:14:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:14:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:45,612 INFO L225 Difference]: With dead ends: 41346 [2022-01-18 11:14:45,612 INFO L226 Difference]: Without dead ends: 41346 [2022-01-18 11:14:45,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=764, Invalid=5716, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:14:45,613 INFO L933 BasicCegarLoop]: 1072 mSDtfsCounter, 2158 mSDsluCounter, 22796 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 23562 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:45,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2158 Valid, 23562 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5047 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:45,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41346 states. [2022-01-18 11:14:46,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41346 to 22663. [2022-01-18 11:14:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22663 states, 22662 states have (on average 2.7533756949960284) internal successors, (62397), 22662 states have internal predecessors, (62397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22663 states to 22663 states and 62397 transitions. [2022-01-18 11:14:46,128 INFO L78 Accepts]: Start accepts. Automaton has 22663 states and 62397 transitions. Word has length 199 [2022-01-18 11:14:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:46,128 INFO L470 AbstractCegarLoop]: Abstraction has 22663 states and 62397 transitions. [2022-01-18 11:14:46,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22663 states and 62397 transitions. [2022-01-18 11:14:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:46,155 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:46,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:46,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 11:14:46,156 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:46,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:46,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1912102395, now seen corresponding path program 59 times [2022-01-18 11:14:46,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:46,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264649208] [2022-01-18 11:14:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:46,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:46,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:46,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264649208] [2022-01-18 11:14:46,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264649208] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:46,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:46,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:46,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858469251] [2022-01-18 11:14:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:46,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:46,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:46,487 INFO L87 Difference]: Start difference. First operand 22663 states and 62397 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:49,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:49,367 INFO L93 Difference]: Finished difference Result 37516 states and 102789 transitions. [2022-01-18 11:14:49,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:14:49,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:49,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:49,433 INFO L225 Difference]: With dead ends: 37516 [2022-01-18 11:14:49,433 INFO L226 Difference]: Without dead ends: 37516 [2022-01-18 11:14:49,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=643, Invalid=4759, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:14:49,434 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1868 mSDsluCounter, 21491 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 22232 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:49,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1868 Valid, 22232 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37516 states. [2022-01-18 11:14:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37516 to 22615. [2022-01-18 11:14:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22615 states, 22614 states have (on average 2.7528522154417616) internal successors, (62253), 22614 states have internal predecessors, (62253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22615 states to 22615 states and 62253 transitions. [2022-01-18 11:14:49,984 INFO L78 Accepts]: Start accepts. Automaton has 22615 states and 62253 transitions. Word has length 199 [2022-01-18 11:14:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:49,985 INFO L470 AbstractCegarLoop]: Abstraction has 22615 states and 62253 transitions. [2022-01-18 11:14:49,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 22615 states and 62253 transitions. [2022-01-18 11:14:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:50,013 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:50,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:50,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 11:14:50,013 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:50,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:50,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1380492921, now seen corresponding path program 60 times [2022-01-18 11:14:50,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:50,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046303213] [2022-01-18 11:14:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:50,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:50,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:50,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046303213] [2022-01-18 11:14:50,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046303213] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:50,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:50,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:50,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201752529] [2022-01-18 11:14:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:50,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:50,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:50,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:50,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:50,322 INFO L87 Difference]: Start difference. First operand 22615 states and 62253 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:53,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:53,108 INFO L93 Difference]: Finished difference Result 38250 states and 104483 transitions. [2022-01-18 11:14:53,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:14:53,109 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:53,175 INFO L225 Difference]: With dead ends: 38250 [2022-01-18 11:14:53,175 INFO L226 Difference]: Without dead ends: 38250 [2022-01-18 11:14:53,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:14:53,176 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 1839 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:53,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1839 Valid, 22869 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:14:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38250 states. [2022-01-18 11:14:53,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 22431. [2022-01-18 11:14:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22431 states, 22430 states have (on average 2.752697280427998) internal successors, (61743), 22430 states have internal predecessors, (61743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 61743 transitions. [2022-01-18 11:14:53,647 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 61743 transitions. Word has length 199 [2022-01-18 11:14:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:53,647 INFO L470 AbstractCegarLoop]: Abstraction has 22431 states and 61743 transitions. [2022-01-18 11:14:53,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 61743 transitions. [2022-01-18 11:14:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:53,675 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:53,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:53,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 11:14:53,675 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:53,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1157505285, now seen corresponding path program 61 times [2022-01-18 11:14:53,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:53,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937636711] [2022-01-18 11:14:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:53,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:54,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:54,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937636711] [2022-01-18 11:14:54,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937636711] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:54,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:54,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:54,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635430003] [2022-01-18 11:14:54,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:54,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:54,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:54,002 INFO L87 Difference]: Start difference. First operand 22431 states and 61743 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:56,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:14:56,996 INFO L93 Difference]: Finished difference Result 37275 states and 101770 transitions. [2022-01-18 11:14:56,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:14:56,996 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:14:56,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:14:57,062 INFO L225 Difference]: With dead ends: 37275 [2022-01-18 11:14:57,062 INFO L226 Difference]: Without dead ends: 37275 [2022-01-18 11:14:57,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:14:57,063 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 2140 mSDsluCounter, 21832 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 22407 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:14:57,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 22407 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:14:57,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37275 states. [2022-01-18 11:14:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 22595. [2022-01-18 11:14:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-18 11:14:57,557 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-18 11:14:57,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:14:57,558 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-18 11:14:57,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:14:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-18 11:14:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:14:57,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:14:57,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:14:57,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 11:14:57,587 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:14:57,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:14:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash -864292757, now seen corresponding path program 62 times [2022-01-18 11:14:57,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:14:57,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158214737] [2022-01-18 11:14:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:14:57,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:14:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:14:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:14:57,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:14:57,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158214737] [2022-01-18 11:14:57,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158214737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:14:57,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:14:57,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:14:57,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412219828] [2022-01-18 11:14:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:14:57,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:14:57,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:14:57,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:14:57,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:14:57,892 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:00,734 INFO L93 Difference]: Finished difference Result 36195 states and 99102 transitions. [2022-01-18 11:15:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:15:00,734 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:00,803 INFO L225 Difference]: With dead ends: 36195 [2022-01-18 11:15:00,803 INFO L226 Difference]: Without dead ends: 36195 [2022-01-18 11:15:00,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:15:00,805 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 2065 mSDsluCounter, 20656 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 21370 SdHoareTripleChecker+Invalid, 4796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:00,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2065 Valid, 21370 Invalid, 4796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:00,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36195 states. [2022-01-18 11:15:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36195 to 22531. [2022-01-18 11:15:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-18 11:15:01,300 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-18 11:15:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:01,300 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-18 11:15:01,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-18 11:15:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:01,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:01,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:01,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 11:15:01,328 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:01,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1241489981, now seen corresponding path program 63 times [2022-01-18 11:15:01,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:01,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828418801] [2022-01-18 11:15:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:01,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:01,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:01,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828418801] [2022-01-18 11:15:01,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828418801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:01,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:01,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:01,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532008815] [2022-01-18 11:15:01,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:01,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:01,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:01,651 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:04,444 INFO L93 Difference]: Finished difference Result 34240 states and 93577 transitions. [2022-01-18 11:15:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:15:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:04,504 INFO L225 Difference]: With dead ends: 34240 [2022-01-18 11:15:04,505 INFO L226 Difference]: Without dead ends: 34240 [2022-01-18 11:15:04,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=632, Invalid=4480, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:15:04,506 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 1725 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 21700 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:04,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 21700 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34240 states. [2022-01-18 11:15:04,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34240 to 22483. [2022-01-18 11:15:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22483 states, 22482 states have (on average 2.7526910417222665) internal successors, (61886), 22482 states have internal predecessors, (61886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22483 states to 22483 states and 61886 transitions. [2022-01-18 11:15:04,948 INFO L78 Accepts]: Start accepts. Automaton has 22483 states and 61886 transitions. Word has length 199 [2022-01-18 11:15:04,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:04,948 INFO L470 AbstractCegarLoop]: Abstraction has 22483 states and 61886 transitions. [2022-01-18 11:15:04,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22483 states and 61886 transitions. [2022-01-18 11:15:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:04,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:04,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:04,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 11:15:04,977 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash -878783293, now seen corresponding path program 64 times [2022-01-18 11:15:04,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:04,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722601625] [2022-01-18 11:15:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:04,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:05,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:05,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722601625] [2022-01-18 11:15:05,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722601625] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:05,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:05,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:05,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599643429] [2022-01-18 11:15:05,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:05,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:05,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:05,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:05,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:05,307 INFO L87 Difference]: Start difference. First operand 22483 states and 61886 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:08,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:08,361 INFO L93 Difference]: Finished difference Result 37463 states and 102253 transitions. [2022-01-18 11:15:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:15:08,362 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:08,432 INFO L225 Difference]: With dead ends: 37463 [2022-01-18 11:15:08,432 INFO L226 Difference]: Without dead ends: 37463 [2022-01-18 11:15:08,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=723, Invalid=5129, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:15:08,433 INFO L933 BasicCegarLoop]: 1027 mSDtfsCounter, 2005 mSDsluCounter, 22189 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 22747 SdHoareTripleChecker+Invalid, 5113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:08,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 22747 Invalid, 5113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:15:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37463 states. [2022-01-18 11:15:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37463 to 22595. [2022-01-18 11:15:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-18 11:15:08,967 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-18 11:15:08,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:08,967 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-18 11:15:08,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-18 11:15:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:08,997 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:08,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:08,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 11:15:08,998 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1394385961, now seen corresponding path program 65 times [2022-01-18 11:15:08,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:08,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402357277] [2022-01-18 11:15:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:08,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:09,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:09,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402357277] [2022-01-18 11:15:09,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402357277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:09,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:09,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:09,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82722145] [2022-01-18 11:15:09,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:09,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:09,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:09,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:09,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:09,320 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:12,111 INFO L93 Difference]: Finished difference Result 36099 states and 98849 transitions. [2022-01-18 11:15:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:15:12,112 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:12,175 INFO L225 Difference]: With dead ends: 36099 [2022-01-18 11:15:12,176 INFO L226 Difference]: Without dead ends: 36099 [2022-01-18 11:15:12,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=632, Invalid=4624, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:15:12,177 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 2002 mSDsluCounter, 21145 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 21832 SdHoareTripleChecker+Invalid, 4807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:12,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 21832 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36099 states. [2022-01-18 11:15:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 22531. [2022-01-18 11:15:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-18 11:15:12,653 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-18 11:15:12,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:12,653 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-18 11:15:12,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-18 11:15:12,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:12,682 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:12,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:12,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 11:15:12,682 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:12,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1743839845, now seen corresponding path program 66 times [2022-01-18 11:15:12,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:12,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815288624] [2022-01-18 11:15:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:12,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:13,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:13,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815288624] [2022-01-18 11:15:13,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815288624] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:13,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:13,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:13,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108191262] [2022-01-18 11:15:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:13,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:13,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:13,004 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:15,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:15,630 INFO L93 Difference]: Finished difference Result 32883 states and 90158 transitions. [2022-01-18 11:15:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:15:15,631 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:15,689 INFO L225 Difference]: With dead ends: 32883 [2022-01-18 11:15:15,689 INFO L226 Difference]: Without dead ends: 32883 [2022-01-18 11:15:15,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=575, Invalid=4117, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 11:15:15,690 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 1701 mSDsluCounter, 19897 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20559 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:15,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20559 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:15:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32883 states. [2022-01-18 11:15:16,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32883 to 22447. [2022-01-18 11:15:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.752695357747483) internal successors, (61787), 22446 states have internal predecessors, (61787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61787 transitions. [2022-01-18 11:15:16,126 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61787 transitions. Word has length 199 [2022-01-18 11:15:16,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:16,127 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61787 transitions. [2022-01-18 11:15:16,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61787 transitions. [2022-01-18 11:15:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:16,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:16,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:16,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 11:15:16,155 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:16,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:16,155 INFO L85 PathProgramCache]: Analyzing trace with hash 196946853, now seen corresponding path program 67 times [2022-01-18 11:15:16,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:16,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410745970] [2022-01-18 11:15:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:16,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:16,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:16,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410745970] [2022-01-18 11:15:16,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410745970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:16,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:16,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:16,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165669804] [2022-01-18 11:15:16,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:16,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:16,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:16,475 INFO L87 Difference]: Start difference. First operand 22447 states and 61787 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:19,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:19,624 INFO L93 Difference]: Finished difference Result 37135 states and 101381 transitions. [2022-01-18 11:15:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:15:19,624 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:19,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:19,690 INFO L225 Difference]: With dead ends: 37135 [2022-01-18 11:15:19,691 INFO L226 Difference]: Without dead ends: 37135 [2022-01-18 11:15:19,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:15:19,692 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2274 mSDsluCounter, 22464 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 23033 SdHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:19,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2274 Valid, 23033 Invalid, 5058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:15:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37135 states. [2022-01-18 11:15:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37135 to 22575. [2022-01-18 11:15:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.7548064144591122) internal successors, (62187), 22574 states have internal predecessors, (62187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62187 transitions. [2022-01-18 11:15:20,178 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62187 transitions. Word has length 199 [2022-01-18 11:15:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:20,178 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62187 transitions. [2022-01-18 11:15:20,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62187 transitions. [2022-01-18 11:15:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:20,206 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:20,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:20,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 11:15:20,206 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:20,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:20,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1824851189, now seen corresponding path program 68 times [2022-01-18 11:15:20,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:20,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725357115] [2022-01-18 11:15:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:20,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:20,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:20,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725357115] [2022-01-18 11:15:20,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725357115] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:20,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:20,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:20,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212419050] [2022-01-18 11:15:20,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:20,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:20,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:20,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:20,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:20,535 INFO L87 Difference]: Start difference. First operand 22575 states and 62187 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:23,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:23,438 INFO L93 Difference]: Finished difference Result 36011 states and 98596 transitions. [2022-01-18 11:15:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:15:23,438 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:23,500 INFO L225 Difference]: With dead ends: 36011 [2022-01-18 11:15:23,501 INFO L226 Difference]: Without dead ends: 36011 [2022-01-18 11:15:23,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:15:23,502 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 2177 mSDsluCounter, 21001 mSDsCounter, 0 mSdLazyCounter, 4770 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 21711 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:23,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2177 Valid, 21711 Invalid, 4793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4770 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36011 states. [2022-01-18 11:15:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 22515. [2022-01-18 11:15:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22515 states, 22514 states have (on average 2.753575552989251) internal successors, (61994), 22514 states have internal predecessors, (61994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 61994 transitions. [2022-01-18 11:15:23,968 INFO L78 Accepts]: Start accepts. Automaton has 22515 states and 61994 transitions. Word has length 199 [2022-01-18 11:15:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:23,969 INFO L470 AbstractCegarLoop]: Abstraction has 22515 states and 61994 transitions. [2022-01-18 11:15:23,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22515 states and 61994 transitions. [2022-01-18 11:15:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:23,996 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:23,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:23,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 11:15:23,996 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2092918883, now seen corresponding path program 69 times [2022-01-18 11:15:23,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:23,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866442595] [2022-01-18 11:15:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:23,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:24,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:24,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866442595] [2022-01-18 11:15:24,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866442595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:24,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:24,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:24,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675888567] [2022-01-18 11:15:24,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:24,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:24,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:24,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:24,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:24,323 INFO L87 Difference]: Start difference. First operand 22515 states and 61994 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:27,206 INFO L93 Difference]: Finished difference Result 34128 states and 93265 transitions. [2022-01-18 11:15:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:15:27,206 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:27,265 INFO L225 Difference]: With dead ends: 34128 [2022-01-18 11:15:27,265 INFO L226 Difference]: Without dead ends: 34128 [2022-01-18 11:15:27,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=696, Invalid=4854, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:15:27,266 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1818 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 22304 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:27,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 22304 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34128 states. [2022-01-18 11:15:27,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 22467. [2022-01-18 11:15:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22467 states, 22466 states have (on average 2.75304905190065) internal successors, (61850), 22466 states have internal predecessors, (61850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22467 states to 22467 states and 61850 transitions. [2022-01-18 11:15:27,719 INFO L78 Accepts]: Start accepts. Automaton has 22467 states and 61850 transitions. Word has length 199 [2022-01-18 11:15:27,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:27,719 INFO L470 AbstractCegarLoop]: Abstraction has 22467 states and 61850 transitions. [2022-01-18 11:15:27,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 22467 states and 61850 transitions. [2022-01-18 11:15:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:27,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:27,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:27,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 11:15:27,748 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:27,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1746717073, now seen corresponding path program 70 times [2022-01-18 11:15:27,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:27,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67673671] [2022-01-18 11:15:27,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:27,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:28,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:28,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67673671] [2022-01-18 11:15:28,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67673671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:28,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:28,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:28,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664604514] [2022-01-18 11:15:28,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:28,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:28,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:28,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:28,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:28,041 INFO L87 Difference]: Start difference. First operand 22467 states and 61850 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:30,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:30,859 INFO L93 Difference]: Finished difference Result 35242 states and 96056 transitions. [2022-01-18 11:15:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:15:30,860 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:30,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:30,923 INFO L225 Difference]: With dead ends: 35242 [2022-01-18 11:15:30,923 INFO L226 Difference]: Without dead ends: 35242 [2022-01-18 11:15:30,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:15:30,924 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2020 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 22805 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:30,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 22805 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:30,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35242 states. [2022-01-18 11:15:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35242 to 22511. [2022-01-18 11:15:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 11:15:31,379 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 11:15:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:31,379 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 11:15:31,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 11:15:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:31,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:31,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:31,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 11:15:31,408 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1664338851, now seen corresponding path program 71 times [2022-01-18 11:15:31,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:31,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439540759] [2022-01-18 11:15:31,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:31,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:31,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:31,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439540759] [2022-01-18 11:15:31,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439540759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:31,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:31,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:31,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451396049] [2022-01-18 11:15:31,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:31,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:31,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:31,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:31,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:31,711 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:34,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:34,579 INFO L93 Difference]: Finished difference Result 37827 states and 103284 transitions. [2022-01-18 11:15:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:15:34,580 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:34,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:34,648 INFO L225 Difference]: With dead ends: 37827 [2022-01-18 11:15:34,648 INFO L226 Difference]: Without dead ends: 37827 [2022-01-18 11:15:34,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=680, Invalid=4870, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:15:34,649 INFO L933 BasicCegarLoop]: 995 mSDtfsCounter, 2110 mSDsluCounter, 21525 mSDsCounter, 0 mSdLazyCounter, 4962 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 22124 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:34,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 22124 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:34,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37827 states. [2022-01-18 11:15:35,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37827 to 22671. [2022-01-18 11:15:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-18 11:15:35,148 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-18 11:15:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:35,148 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-18 11:15:35,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-18 11:15:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:35,176 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:35,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:35,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 11:15:35,177 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:35,177 INFO L85 PathProgramCache]: Analyzing trace with hash -357459191, now seen corresponding path program 72 times [2022-01-18 11:15:35,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:35,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090922949] [2022-01-18 11:15:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:35,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:35,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:35,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090922949] [2022-01-18 11:15:35,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090922949] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:35,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:35,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:35,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651171220] [2022-01-18 11:15:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:35,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:35,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:35,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:35,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:35,506 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:38,318 INFO L93 Difference]: Finished difference Result 36923 states and 101084 transitions. [2022-01-18 11:15:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:15:38,318 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:38,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:38,386 INFO L225 Difference]: With dead ends: 36923 [2022-01-18 11:15:38,387 INFO L226 Difference]: Without dead ends: 36923 [2022-01-18 11:15:38,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=4883, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:15:38,388 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 2015 mSDsluCounter, 20869 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 4828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:38,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 21618 Invalid, 4828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:38,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36923 states. [2022-01-18 11:15:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36923 to 22607. [2022-01-18 11:15:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-18 11:15:38,882 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-18 11:15:38,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:38,883 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-18 11:15:38,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-18 11:15:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:38,911 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:38,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:38,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 11:15:38,911 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:38,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:38,912 INFO L85 PathProgramCache]: Analyzing trace with hash -734656415, now seen corresponding path program 73 times [2022-01-18 11:15:38,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:38,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916864705] [2022-01-18 11:15:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:38,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:39,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:39,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916864705] [2022-01-18 11:15:39,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916864705] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:39,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:39,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:39,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089473067] [2022-01-18 11:15:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:39,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:39,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:39,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:39,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:39,223 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:41,920 INFO L93 Difference]: Finished difference Result 34792 states and 95091 transitions. [2022-01-18 11:15:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:15:41,921 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:41,980 INFO L225 Difference]: With dead ends: 34792 [2022-01-18 11:15:41,981 INFO L226 Difference]: Without dead ends: 34792 [2022-01-18 11:15:41,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:15:41,981 INFO L933 BasicCegarLoop]: 975 mSDtfsCounter, 1721 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 21468 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:41,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 21468 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-18 11:15:42,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22559. [2022-01-18 11:15:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-18 11:15:42,414 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-18 11:15:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:42,414 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-18 11:15:42,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-18 11:15:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:42,442 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:42,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:42,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 11:15:42,442 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash -371949727, now seen corresponding path program 74 times [2022-01-18 11:15:42,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:42,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569016090] [2022-01-18 11:15:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:42,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:42,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:42,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569016090] [2022-01-18 11:15:42,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569016090] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:42,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:42,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:42,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185543444] [2022-01-18 11:15:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:42,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:42,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:42,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:42,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:42,745 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:45,716 INFO L93 Difference]: Finished difference Result 38031 states and 103811 transitions. [2022-01-18 11:15:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:15:45,716 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:45,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:45,782 INFO L225 Difference]: With dead ends: 38031 [2022-01-18 11:15:45,782 INFO L226 Difference]: Without dead ends: 38031 [2022-01-18 11:15:45,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:15:45,783 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 2033 mSDsluCounter, 21995 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 22578 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:45,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 22578 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:15:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38031 states. [2022-01-18 11:15:46,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38031 to 22671. [2022-01-18 11:15:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-18 11:15:46,284 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-18 11:15:46,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:46,284 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-18 11:15:46,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-18 11:15:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:46,312 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:46,312 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:46,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 11:15:46,312 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:46,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1901219527, now seen corresponding path program 75 times [2022-01-18 11:15:46,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:46,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562436727] [2022-01-18 11:15:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:46,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:46,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:46,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562436727] [2022-01-18 11:15:46,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562436727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:46,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:46,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:46,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814551149] [2022-01-18 11:15:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:46,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:46,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:46,620 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:49,480 INFO L93 Difference]: Finished difference Result 36843 states and 100875 transitions. [2022-01-18 11:15:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:15:49,480 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:49,542 INFO L225 Difference]: With dead ends: 36843 [2022-01-18 11:15:49,542 INFO L226 Difference]: Without dead ends: 36843 [2022-01-18 11:15:49,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:15:49,543 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 2024 mSDsluCounter, 21469 mSDsCounter, 0 mSdLazyCounter, 4833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 22193 SdHoareTripleChecker+Invalid, 4856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:49,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 22193 Invalid, 4856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4833 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:15:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36843 states. [2022-01-18 11:15:49,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36843 to 22607. [2022-01-18 11:15:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-18 11:15:50,016 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-18 11:15:50,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:50,017 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-18 11:15:50,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-18 11:15:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:50,043 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:50,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:50,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 11:15:50,044 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:50,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:50,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2044293885, now seen corresponding path program 76 times [2022-01-18 11:15:50,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:50,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202788196] [2022-01-18 11:15:50,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:50,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:50,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:50,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202788196] [2022-01-18 11:15:50,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202788196] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:50,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:50,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:50,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035483237] [2022-01-18 11:15:50,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:50,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:50,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:50,343 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:52,969 INFO L93 Difference]: Finished difference Result 33584 states and 92072 transitions. [2022-01-18 11:15:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:15:52,970 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:53,026 INFO L225 Difference]: With dead ends: 33584 [2022-01-18 11:15:53,026 INFO L226 Difference]: Without dead ends: 33584 [2022-01-18 11:15:53,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=4246, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 11:15:53,027 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1699 mSDsluCounter, 20175 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 20871 SdHoareTripleChecker+Invalid, 4665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:53,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 20871 Invalid, 4665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:15:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33584 states. [2022-01-18 11:15:53,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33584 to 22523. [2022-01-18 11:15:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-18 11:15:53,457 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-18 11:15:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:53,457 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-18 11:15:53,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-18 11:15:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:53,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:53,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:53,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 11:15:53,488 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:53,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1224668251, now seen corresponding path program 77 times [2022-01-18 11:15:53,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:53,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743292514] [2022-01-18 11:15:53,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:53,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:53,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:53,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743292514] [2022-01-18 11:15:53,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743292514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:53,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:53,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:53,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205312892] [2022-01-18 11:15:53,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:53,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:53,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:53,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:53,834 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:15:57,053 INFO L93 Difference]: Finished difference Result 41861 states and 114085 transitions. [2022-01-18 11:15:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:15:57,053 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:15:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:15:57,126 INFO L225 Difference]: With dead ends: 41861 [2022-01-18 11:15:57,126 INFO L226 Difference]: Without dead ends: 41861 [2022-01-18 11:15:57,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:15:57,128 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 2214 mSDsluCounter, 23128 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 23730 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:15:57,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2214 Valid, 23730 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5284 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:15:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41861 states. [2022-01-18 11:15:57,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41861 to 22651. [2022-01-18 11:15:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22651 states, 22650 states have (on average 2.7549668874172184) internal successors, (62400), 22650 states have internal predecessors, (62400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 62400 transitions. [2022-01-18 11:15:57,662 INFO L78 Accepts]: Start accepts. Automaton has 22651 states and 62400 transitions. Word has length 199 [2022-01-18 11:15:57,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:15:57,662 INFO L470 AbstractCegarLoop]: Abstraction has 22651 states and 62400 transitions. [2022-01-18 11:15:57,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:15:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22651 states and 62400 transitions. [2022-01-18 11:15:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:15:57,691 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:15:57,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:15:57,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 11:15:57,692 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:15:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:15:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1048501003, now seen corresponding path program 78 times [2022-01-18 11:15:57,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:15:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494555318] [2022-01-18 11:15:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:15:57,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:15:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:15:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:15:58,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:15:58,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494555318] [2022-01-18 11:15:58,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494555318] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:15:58,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:15:58,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:15:58,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077854272] [2022-01-18 11:15:58,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:15:58,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:15:58,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:15:58,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:15:58,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:15:58,015 INFO L87 Difference]: Start difference. First operand 22651 states and 62400 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:01,073 INFO L93 Difference]: Finished difference Result 40458 states and 110594 transitions. [2022-01-18 11:16:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:16:01,074 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:01,144 INFO L225 Difference]: With dead ends: 40458 [2022-01-18 11:16:01,144 INFO L226 Difference]: Without dead ends: 40458 [2022-01-18 11:16:01,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=766, Invalid=5554, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:16:01,145 INFO L933 BasicCegarLoop]: 1078 mSDtfsCounter, 2186 mSDsluCounter, 22786 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 23540 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:01,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2186 Valid, 23540 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40458 states. [2022-01-18 11:16:01,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 22587. [2022-01-18 11:16:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.753564154786151) internal successors, (62192), 22586 states have internal predecessors, (62192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62192 transitions. [2022-01-18 11:16:01,754 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62192 transitions. Word has length 199 [2022-01-18 11:16:01,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:01,755 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62192 transitions. [2022-01-18 11:16:01,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62192 transitions. [2022-01-18 11:16:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:01,785 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:01,785 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:01,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 11:16:01,786 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:01,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1397954887, now seen corresponding path program 79 times [2022-01-18 11:16:01,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:01,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328945567] [2022-01-18 11:16:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:01,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:02,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:02,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328945567] [2022-01-18 11:16:02,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328945567] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:02,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:02,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:02,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900117785] [2022-01-18 11:16:02,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:02,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:02,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:02,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:02,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:02,092 INFO L87 Difference]: Start difference. First operand 22587 states and 62192 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:04,848 INFO L93 Difference]: Finished difference Result 36628 states and 100347 transitions. [2022-01-18 11:16:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:16:04,849 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:04,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:04,917 INFO L225 Difference]: With dead ends: 36628 [2022-01-18 11:16:04,917 INFO L226 Difference]: Without dead ends: 36628 [2022-01-18 11:16:04,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=4616, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:16:04,918 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1896 mSDsluCounter, 21487 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 22217 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:04,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 22217 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:04,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36628 states. [2022-01-18 11:16:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36628 to 22539. [2022-01-18 11:16:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-18 11:16:05,372 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-18 11:16:05,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:05,372 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-18 11:16:05,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-18 11:16:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:05,399 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:05,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:05,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 11:16:05,400 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:05,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:05,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1894640429, now seen corresponding path program 80 times [2022-01-18 11:16:05,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:05,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238149235] [2022-01-18 11:16:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:05,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:05,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:05,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238149235] [2022-01-18 11:16:05,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238149235] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:05,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:05,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:05,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410912786] [2022-01-18 11:16:05,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:05,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:05,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:05,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:05,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:05,712 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:08,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:08,430 INFO L93 Difference]: Finished difference Result 37362 states and 102041 transitions. [2022-01-18 11:16:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:16:08,430 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:08,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:08,496 INFO L225 Difference]: With dead ends: 37362 [2022-01-18 11:16:08,496 INFO L226 Difference]: Without dead ends: 37362 [2022-01-18 11:16:08,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=641, Invalid=4615, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:16:08,497 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1846 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 22825 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:08,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 22825 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37362 states. [2022-01-18 11:16:08,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 22511. [2022-01-18 11:16:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 11:16:09,011 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 11:16:09,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:09,011 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 11:16:09,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 11:16:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:09,039 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:09,040 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:09,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 11:16:09,040 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:09,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1617964849, now seen corresponding path program 81 times [2022-01-18 11:16:09,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:09,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865555627] [2022-01-18 11:16:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:09,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:09,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:09,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:09,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865555627] [2022-01-18 11:16:09,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865555627] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:09,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:09,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:09,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481769268] [2022-01-18 11:16:09,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:09,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:09,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:09,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:09,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:09,347 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:12,572 INFO L93 Difference]: Finished difference Result 44752 states and 121950 transitions. [2022-01-18 11:16:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:16:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:12,652 INFO L225 Difference]: With dead ends: 44752 [2022-01-18 11:16:12,652 INFO L226 Difference]: Without dead ends: 44752 [2022-01-18 11:16:12,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=803, Invalid=5839, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:16:12,653 INFO L933 BasicCegarLoop]: 1073 mSDtfsCounter, 2311 mSDsluCounter, 23376 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 24011 SdHoareTripleChecker+Invalid, 5461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:12,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 24011 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:16:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44752 states. [2022-01-18 11:16:13,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44752 to 23015. [2022-01-18 11:16:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23015 states, 23014 states have (on average 2.757147823064222) internal successors, (63453), 23014 states have internal predecessors, (63453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 63453 transitions. [2022-01-18 11:16:13,205 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 63453 transitions. Word has length 199 [2022-01-18 11:16:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:13,205 INFO L470 AbstractCegarLoop]: Abstraction has 23015 states and 63453 transitions. [2022-01-18 11:16:13,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 63453 transitions. [2022-01-18 11:16:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:13,234 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:13,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:13,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 11:16:13,235 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 655204405, now seen corresponding path program 82 times [2022-01-18 11:16:13,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:13,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879977853] [2022-01-18 11:16:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:13,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:13,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:13,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879977853] [2022-01-18 11:16:13,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879977853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:13,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:13,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:13,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270284503] [2022-01-18 11:16:13,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:13,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:13,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:13,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:13,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:13,536 INFO L87 Difference]: Start difference. First operand 23015 states and 63453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:16,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:16,657 INFO L93 Difference]: Finished difference Result 42905 states and 117307 transitions. [2022-01-18 11:16:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:16:16,657 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:16,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:16,735 INFO L225 Difference]: With dead ends: 42905 [2022-01-18 11:16:16,735 INFO L226 Difference]: Without dead ends: 42905 [2022-01-18 11:16:16,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=784, Invalid=6022, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:16:16,736 INFO L933 BasicCegarLoop]: 1068 mSDtfsCounter, 2269 mSDsluCounter, 22970 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 23747 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:16,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 23747 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:16,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42905 states. [2022-01-18 11:16:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42905 to 22951. [2022-01-18 11:16:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 22950 states have (on average 2.755773420479303) internal successors, (63245), 22950 states have internal predecessors, (63245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 63245 transitions. [2022-01-18 11:16:17,288 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 63245 transitions. Word has length 199 [2022-01-18 11:16:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:17,288 INFO L470 AbstractCegarLoop]: Abstraction has 22951 states and 63245 transitions. [2022-01-18 11:16:17,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 63245 transitions. [2022-01-18 11:16:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:17,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:17,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:17,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 11:16:17,316 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:17,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:17,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1716625521, now seen corresponding path program 83 times [2022-01-18 11:16:17,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:17,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137153744] [2022-01-18 11:16:17,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:17,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:17,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:17,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137153744] [2022-01-18 11:16:17,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137153744] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:17,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:17,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:17,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375431931] [2022-01-18 11:16:17,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:17,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:17,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:17,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:17,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:17,621 INFO L87 Difference]: Start difference. First operand 22951 states and 63245 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:20,572 INFO L93 Difference]: Finished difference Result 41047 states and 112522 transitions. [2022-01-18 11:16:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:16:20,572 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:20,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:20,648 INFO L225 Difference]: With dead ends: 41047 [2022-01-18 11:16:20,648 INFO L226 Difference]: Without dead ends: 41047 [2022-01-18 11:16:20,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=5169, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:16:20,649 INFO L933 BasicCegarLoop]: 1063 mSDtfsCounter, 1999 mSDsluCounter, 22565 mSDsCounter, 0 mSdLazyCounter, 5141 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 23350 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:20,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 23350 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5141 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:20,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-18 11:16:21,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22903. [2022-01-18 11:16:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 22902 states have (on average 2.755261549209676) internal successors, (63101), 22902 states have internal predecessors, (63101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 63101 transitions. [2022-01-18 11:16:21,138 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 63101 transitions. Word has length 199 [2022-01-18 11:16:21,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:21,138 INFO L470 AbstractCegarLoop]: Abstraction has 22903 states and 63101 transitions. [2022-01-18 11:16:21,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 63101 transitions. [2022-01-18 11:16:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:21,166 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:21,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:21,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 11:16:21,166 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash -115338621, now seen corresponding path program 84 times [2022-01-18 11:16:21,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:21,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757530325] [2022-01-18 11:16:21,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:21,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:21,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:21,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757530325] [2022-01-18 11:16:21,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757530325] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:21,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:21,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:21,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147903020] [2022-01-18 11:16:21,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:21,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:21,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:21,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:21,476 INFO L87 Difference]: Start difference. First operand 22903 states and 63101 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:24,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:24,398 INFO L93 Difference]: Finished difference Result 42405 states and 115914 transitions. [2022-01-18 11:16:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:16:24,399 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:24,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:24,479 INFO L225 Difference]: With dead ends: 42405 [2022-01-18 11:16:24,480 INFO L226 Difference]: Without dead ends: 42405 [2022-01-18 11:16:24,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5170, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:16:24,481 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2055 mSDsluCounter, 22845 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 23641 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:24,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 23641 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42405 states. [2022-01-18 11:16:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42405 to 22887. [2022-01-18 11:16:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 2.75509044830901) internal successors, (63053), 22886 states have internal predecessors, (63053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 63053 transitions. [2022-01-18 11:16:25,032 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 63053 transitions. Word has length 199 [2022-01-18 11:16:25,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:25,032 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 63053 transitions. [2022-01-18 11:16:25,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 63053 transitions. [2022-01-18 11:16:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:25,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:25,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:25,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 11:16:25,061 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:25,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:25,061 INFO L85 PathProgramCache]: Analyzing trace with hash -716569939, now seen corresponding path program 85 times [2022-01-18 11:16:25,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:25,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758828614] [2022-01-18 11:16:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:25,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:25,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:25,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758828614] [2022-01-18 11:16:25,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758828614] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:25,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:25,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:25,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570173491] [2022-01-18 11:16:25,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:25,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:25,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:25,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:25,364 INFO L87 Difference]: Start difference. First operand 22887 states and 63053 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:28,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:28,264 INFO L93 Difference]: Finished difference Result 41398 states and 113056 transitions. [2022-01-18 11:16:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:16:28,264 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:28,335 INFO L225 Difference]: With dead ends: 41398 [2022-01-18 11:16:28,335 INFO L226 Difference]: Without dead ends: 41398 [2022-01-18 11:16:28,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=642, Invalid=4908, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:16:28,336 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 1884 mSDsluCounter, 23734 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:28,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 24559 Invalid, 5102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:28,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41398 states. [2022-01-18 11:16:28,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41398 to 22679. [2022-01-18 11:16:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 22678 states have (on average 2.752844166152218) internal successors, (62429), 22678 states have internal predecessors, (62429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 62429 transitions. [2022-01-18 11:16:28,827 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 62429 transitions. Word has length 199 [2022-01-18 11:16:28,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:28,827 INFO L470 AbstractCegarLoop]: Abstraction has 22679 states and 62429 transitions. [2022-01-18 11:16:28,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 62429 transitions. [2022-01-18 11:16:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:28,857 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:28,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:28,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 11:16:28,857 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:28,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:28,857 INFO L85 PathProgramCache]: Analyzing trace with hash -22970031, now seen corresponding path program 86 times [2022-01-18 11:16:28,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:28,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125640659] [2022-01-18 11:16:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:28,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:29,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:29,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125640659] [2022-01-18 11:16:29,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125640659] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:29,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:29,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:29,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215198028] [2022-01-18 11:16:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:29,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:29,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:29,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:29,178 INFO L87 Difference]: Start difference. First operand 22679 states and 62429 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:32,015 INFO L93 Difference]: Finished difference Result 38407 states and 104883 transitions. [2022-01-18 11:16:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:16:32,016 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:32,082 INFO L225 Difference]: With dead ends: 38407 [2022-01-18 11:16:32,082 INFO L226 Difference]: Without dead ends: 38407 [2022-01-18 11:16:32,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=639, Invalid=4617, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 11:16:32,083 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1948 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 21270 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:32,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 21270 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:32,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38407 states. [2022-01-18 11:16:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38407 to 22839. [2022-01-18 11:16:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-18 11:16:32,619 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-18 11:16:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:32,619 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-18 11:16:32,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-18 11:16:32,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:32,647 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:32,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:32,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 11:16:32,648 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:32,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:32,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2044768073, now seen corresponding path program 87 times [2022-01-18 11:16:32,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:32,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471347231] [2022-01-18 11:16:32,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:32,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:32,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:32,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471347231] [2022-01-18 11:16:32,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471347231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:32,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:32,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:32,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629888743] [2022-01-18 11:16:32,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:32,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:32,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:32,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:32,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:32,952 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:35,776 INFO L93 Difference]: Finished difference Result 37503 states and 102683 transitions. [2022-01-18 11:16:35,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:16:35,777 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:35,850 INFO L225 Difference]: With dead ends: 37503 [2022-01-18 11:16:35,850 INFO L226 Difference]: Without dead ends: 37503 [2022-01-18 11:16:35,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=651, Invalid=4899, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:16:35,851 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1897 mSDsluCounter, 20598 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 21380 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:35,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 21380 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4848 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:35,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37503 states. [2022-01-18 11:16:36,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 22775. [2022-01-18 11:16:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-18 11:16:36,425 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-18 11:16:36,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:36,425 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-18 11:16:36,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-18 11:16:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:36,452 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:36,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:36,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 11:16:36,453 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1873001999, now seen corresponding path program 88 times [2022-01-18 11:16:36,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:36,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890627913] [2022-01-18 11:16:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:36,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:36,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:36,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890627913] [2022-01-18 11:16:36,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890627913] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:36,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:36,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:36,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933080190] [2022-01-18 11:16:36,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:36,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:36,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:36,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:36,752 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:39,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:39,356 INFO L93 Difference]: Finished difference Result 35308 states and 96510 transitions. [2022-01-18 11:16:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:16:39,356 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:39,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:39,419 INFO L225 Difference]: With dead ends: 35308 [2022-01-18 11:16:39,419 INFO L226 Difference]: Without dead ends: 35308 [2022-01-18 11:16:39,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=588, Invalid=4104, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 11:16:39,420 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 1661 mSDsluCounter, 19999 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 20639 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:39,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 20639 Invalid, 4701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:16:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35308 states. [2022-01-18 11:16:39,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35308 to 22727. [2022-01-18 11:16:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-18 11:16:39,869 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-18 11:16:39,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:39,869 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-18 11:16:39,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-18 11:16:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:39,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:39,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:39,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 11:16:39,897 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:39,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2059258609, now seen corresponding path program 89 times [2022-01-18 11:16:39,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:39,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307190749] [2022-01-18 11:16:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:39,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:40,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:40,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307190749] [2022-01-18 11:16:40,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307190749] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:40,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:40,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:40,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775406336] [2022-01-18 11:16:40,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:40,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:40,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:40,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:40,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:40,193 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:43,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:43,098 INFO L93 Difference]: Finished difference Result 38999 states and 106473 transitions. [2022-01-18 11:16:43,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:16:43,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:43,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:43,164 INFO L225 Difference]: With dead ends: 38999 [2022-01-18 11:16:43,165 INFO L226 Difference]: Without dead ends: 38999 [2022-01-18 11:16:43,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=5027, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:16:43,165 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 1913 mSDsluCounter, 21468 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 22102 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:43,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 22102 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38999 states. [2022-01-18 11:16:43,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38999 to 22839. [2022-01-18 11:16:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-18 11:16:43,663 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-18 11:16:43,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:43,663 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-18 11:16:43,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:43,663 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-18 11:16:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:43,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:43,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:43,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 11:16:43,693 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash 213910645, now seen corresponding path program 90 times [2022-01-18 11:16:43,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:43,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369432217] [2022-01-18 11:16:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:43,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:43,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:43,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369432217] [2022-01-18 11:16:43,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369432217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:43,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:43,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:43,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383931818] [2022-01-18 11:16:43,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:43,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:43,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:43,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:43,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:43,996 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:46,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:46,881 INFO L93 Difference]: Finished difference Result 37987 states and 104005 transitions. [2022-01-18 11:16:46,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:16:46,881 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:46,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:46,946 INFO L225 Difference]: With dead ends: 37987 [2022-01-18 11:16:46,946 INFO L226 Difference]: Without dead ends: 37987 [2022-01-18 11:16:46,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:16:46,947 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1906 mSDsluCounter, 21843 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 22622 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:46,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1906 Valid, 22622 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37987 states. [2022-01-18 11:16:47,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37987 to 22775. [2022-01-18 11:16:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-18 11:16:47,444 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-18 11:16:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:47,444 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-18 11:16:47,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-18 11:16:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:47,474 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:47,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:47,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 11:16:47,475 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash 563364529, now seen corresponding path program 91 times [2022-01-18 11:16:47,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:47,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430109838] [2022-01-18 11:16:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:47,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:47,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:47,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430109838] [2022-01-18 11:16:47,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430109838] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:47,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:47,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:47,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985150401] [2022-01-18 11:16:47,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:47,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:47,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:47,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:47,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:47,780 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:50,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:50,445 INFO L93 Difference]: Finished difference Result 34728 states and 95202 transitions. [2022-01-18 11:16:50,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:16:50,445 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:50,506 INFO L225 Difference]: With dead ends: 34728 [2022-01-18 11:16:50,507 INFO L226 Difference]: Without dead ends: 34728 [2022-01-18 11:16:50,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=4390, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:16:50,508 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 1623 mSDsluCounter, 20535 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 21284 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:50,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 21284 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:16:50,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34728 states. [2022-01-18 11:16:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34728 to 22691. [2022-01-18 11:16:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22691 states, 22690 states have (on average 2.7528426619656234) internal successors, (62462), 22690 states have internal predecessors, (62462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22691 states to 22691 states and 62462 transitions. [2022-01-18 11:16:50,973 INFO L78 Accepts]: Start accepts. Automaton has 22691 states and 62462 transitions. Word has length 199 [2022-01-18 11:16:50,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:50,974 INFO L470 AbstractCegarLoop]: Abstraction has 22691 states and 62462 transitions. [2022-01-18 11:16:50,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 22691 states and 62462 transitions. [2022-01-18 11:16:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:51,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:51,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:51,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 11:16:51,003 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:51,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash 656766229, now seen corresponding path program 92 times [2022-01-18 11:16:51,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:51,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468941269] [2022-01-18 11:16:51,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:51,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:51,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:51,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468941269] [2022-01-18 11:16:51,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468941269] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:51,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:51,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:51,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898198533] [2022-01-18 11:16:51,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:51,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:51,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:51,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:51,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:51,314 INFO L87 Difference]: Start difference. First operand 22691 states and 62462 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:54,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:54,445 INFO L93 Difference]: Finished difference Result 43045 states and 117349 transitions. [2022-01-18 11:16:54,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:16:54,446 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:54,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:54,525 INFO L225 Difference]: With dead ends: 43045 [2022-01-18 11:16:54,526 INFO L226 Difference]: Without dead ends: 43045 [2022-01-18 11:16:54,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=735, Invalid=5427, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:16:54,527 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2094 mSDsluCounter, 22803 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 23456 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:54,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2094 Valid, 23456 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:16:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43045 states. [2022-01-18 11:16:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43045 to 22819. [2022-01-18 11:16:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.754930318169866) internal successors, (62862), 22818 states have internal predecessors, (62862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62862 transitions. [2022-01-18 11:16:55,091 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62862 transitions. Word has length 199 [2022-01-18 11:16:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:55,091 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62862 transitions. [2022-01-18 11:16:55,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62862 transitions. [2022-01-18 11:16:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:55,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:55,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:55,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 11:16:55,120 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:55,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1365031813, now seen corresponding path program 93 times [2022-01-18 11:16:55,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:55,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048748583] [2022-01-18 11:16:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:55,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:55,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:55,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048748583] [2022-01-18 11:16:55,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048748583] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:55,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:55,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:55,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403223488] [2022-01-18 11:16:55,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:55,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:55,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:55,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:55,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:55,430 INFO L87 Difference]: Start difference. First operand 22819 states and 62862 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:16:58,539 INFO L93 Difference]: Finished difference Result 41862 states and 114443 transitions. [2022-01-18 11:16:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:16:58,540 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:16:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:16:58,618 INFO L225 Difference]: With dead ends: 41862 [2022-01-18 11:16:58,618 INFO L226 Difference]: Without dead ends: 41862 [2022-01-18 11:16:58,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:16:58,619 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 2068 mSDsluCounter, 23398 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 24208 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:16:58,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 24208 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:16:58,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41862 states. [2022-01-18 11:16:59,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 22755. [2022-01-18 11:16:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22754 states have (on average 2.7535378395007473) internal successors, (62654), 22754 states have internal predecessors, (62654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 62654 transitions. [2022-01-18 11:16:59,162 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 62654 transitions. Word has length 199 [2022-01-18 11:16:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:16:59,163 INFO L470 AbstractCegarLoop]: Abstraction has 22755 states and 62654 transitions. [2022-01-18 11:16:59,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:16:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 62654 transitions. [2022-01-18 11:16:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:16:59,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:16:59,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:16:59,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 11:16:59,194 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:16:59,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:16:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1015577929, now seen corresponding path program 94 times [2022-01-18 11:16:59,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:16:59,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485479452] [2022-01-18 11:16:59,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:16:59,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:16:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:16:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:16:59,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:16:59,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485479452] [2022-01-18 11:16:59,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485479452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:16:59,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:16:59,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:16:59,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80175613] [2022-01-18 11:16:59,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:16:59,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:16:59,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:16:59,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:16:59,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:16:59,507 INFO L87 Difference]: Start difference. First operand 22755 states and 62654 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:02,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:02,367 INFO L93 Difference]: Finished difference Result 38032 states and 104196 transitions. [2022-01-18 11:17:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:17:02,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:02,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:02,443 INFO L225 Difference]: With dead ends: 38032 [2022-01-18 11:17:02,443 INFO L226 Difference]: Without dead ends: 38032 [2022-01-18 11:17:02,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=4773, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:17:02,444 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1778 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 5040 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 5059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:02,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1778 Valid, 22869 Invalid, 5059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5040 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:17:02,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38032 states. [2022-01-18 11:17:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38032 to 22707. [2022-01-18 11:17:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22707 states, 22706 states have (on average 2.753016823747027) internal successors, (62510), 22706 states have internal predecessors, (62510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22707 states to 22707 states and 62510 transitions. [2022-01-18 11:17:02,955 INFO L78 Accepts]: Start accepts. Automaton has 22707 states and 62510 transitions. Word has length 199 [2022-01-18 11:17:02,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:02,955 INFO L470 AbstractCegarLoop]: Abstraction has 22707 states and 62510 transitions. [2022-01-18 11:17:02,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:02,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22707 states and 62510 transitions. [2022-01-18 11:17:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:02,983 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:02,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:02,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 11:17:02,984 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:02,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash -13205949, now seen corresponding path program 95 times [2022-01-18 11:17:02,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:02,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570510156] [2022-01-18 11:17:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:02,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:03,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:03,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570510156] [2022-01-18 11:17:03,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570510156] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:03,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:03,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:03,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744631759] [2022-01-18 11:17:03,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:03,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:03,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:03,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:03,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:03,298 INFO L87 Difference]: Start difference. First operand 22707 states and 62510 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:06,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:06,149 INFO L93 Difference]: Finished difference Result 38766 states and 105890 transitions. [2022-01-18 11:17:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:17:06,150 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:06,221 INFO L225 Difference]: With dead ends: 38766 [2022-01-18 11:17:06,221 INFO L226 Difference]: Without dead ends: 38766 [2022-01-18 11:17:06,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=626, Invalid=4776, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:17:06,222 INFO L933 BasicCegarLoop]: 1071 mSDtfsCounter, 1770 mSDsluCounter, 22748 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 23538 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:06,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 23538 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:06,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38766 states. [2022-01-18 11:17:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 22523. [2022-01-18 11:17:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-18 11:17:06,720 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-18 11:17:06,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:06,720 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-18 11:17:06,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-18 11:17:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:06,750 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:06,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:06,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 11:17:06,750 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:06,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1101640587, now seen corresponding path program 96 times [2022-01-18 11:17:06,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:06,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499713331] [2022-01-18 11:17:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:06,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:07,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:07,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499713331] [2022-01-18 11:17:07,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499713331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:07,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:07,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:07,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719117032] [2022-01-18 11:17:07,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:07,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:07,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:07,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:07,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:07,074 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:10,564 INFO L93 Difference]: Finished difference Result 46894 states and 127588 transitions. [2022-01-18 11:17:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 11:17:10,565 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:10,654 INFO L225 Difference]: With dead ends: 46894 [2022-01-18 11:17:10,654 INFO L226 Difference]: Without dead ends: 46894 [2022-01-18 11:17:10,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=857, Invalid=6115, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 11:17:10,656 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2340 mSDsluCounter, 24437 mSDsCounter, 0 mSdLazyCounter, 5690 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 25085 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:10,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 25085 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5690 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 11:17:10,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46894 states. [2022-01-18 11:17:11,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46894 to 22875. [2022-01-18 11:17:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.7573664422488413) internal successors, (63072), 22874 states have internal predecessors, (63072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63072 transitions. [2022-01-18 11:17:11,241 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63072 transitions. Word has length 199 [2022-01-18 11:17:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:11,241 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63072 transitions. [2022-01-18 11:17:11,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63072 transitions. [2022-01-18 11:17:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:11,347 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:11,347 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:11,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 11:17:11,348 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:11,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1171528667, now seen corresponding path program 97 times [2022-01-18 11:17:11,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:11,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120263386] [2022-01-18 11:17:11,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:11,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:11,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:11,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120263386] [2022-01-18 11:17:11,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120263386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:11,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:11,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:11,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606921644] [2022-01-18 11:17:11,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:11,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:11,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:11,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:11,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:11,646 INFO L87 Difference]: Start difference. First operand 22875 states and 63072 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:14,853 INFO L93 Difference]: Finished difference Result 44169 states and 120638 transitions. [2022-01-18 11:17:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:17:14,854 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:14,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:14,940 INFO L225 Difference]: With dead ends: 44169 [2022-01-18 11:17:14,941 INFO L226 Difference]: Without dead ends: 44169 [2022-01-18 11:17:14,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=795, Invalid=6011, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:17:14,942 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 2236 mSDsluCounter, 23793 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 24567 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:14,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 24567 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:17:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44169 states. [2022-01-18 11:17:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 22811. [2022-01-18 11:17:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7559842174484874) internal successors, (62864), 22810 states have internal predecessors, (62864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62864 transitions. [2022-01-18 11:17:15,510 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62864 transitions. Word has length 199 [2022-01-18 11:17:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:15,511 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62864 transitions. [2022-01-18 11:17:15,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62864 transitions. [2022-01-18 11:17:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:15,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:15,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:15,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 11:17:15,541 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:15,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1200301259, now seen corresponding path program 98 times [2022-01-18 11:17:15,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:15,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738404951] [2022-01-18 11:17:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:15,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:15,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738404951] [2022-01-18 11:17:15,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738404951] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:15,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:15,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:15,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619868745] [2022-01-18 11:17:15,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:15,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:15,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:15,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:15,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:15,838 INFO L87 Difference]: Start difference. First operand 22811 states and 62864 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:18,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:18,874 INFO L93 Difference]: Finished difference Result 42311 states and 115853 transitions. [2022-01-18 11:17:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:17:18,875 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:18,955 INFO L225 Difference]: With dead ends: 42311 [2022-01-18 11:17:18,956 INFO L226 Difference]: Without dead ends: 42311 [2022-01-18 11:17:18,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:17:18,957 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1966 mSDsluCounter, 23332 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 24118 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:18,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 24118 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:17:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42311 states. [2022-01-18 11:17:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 22763. [2022-01-18 11:17:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7554696423864335) internal successors, (62720), 22762 states have internal predecessors, (62720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62720 transitions. [2022-01-18 11:17:19,500 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62720 transitions. Word has length 199 [2022-01-18 11:17:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:19,500 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62720 transitions. [2022-01-18 11:17:19,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62720 transitions. [2022-01-18 11:17:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:19,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:19,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:19,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 11:17:19,528 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 400985641, now seen corresponding path program 99 times [2022-01-18 11:17:19,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:19,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227662815] [2022-01-18 11:17:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:19,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:19,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:19,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227662815] [2022-01-18 11:17:19,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227662815] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:19,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:19,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:19,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046450131] [2022-01-18 11:17:19,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:19,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:19,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:19,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:19,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:19,833 INFO L87 Difference]: Start difference. First operand 22763 states and 62720 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:22,845 INFO L93 Difference]: Finished difference Result 43669 states and 119245 transitions. [2022-01-18 11:17:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:17:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:22,927 INFO L225 Difference]: With dead ends: 43669 [2022-01-18 11:17:22,927 INFO L226 Difference]: Without dead ends: 43669 [2022-01-18 11:17:22,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:17:22,928 INFO L933 BasicCegarLoop]: 1116 mSDtfsCounter, 2022 mSDsluCounter, 23612 mSDsCounter, 0 mSdLazyCounter, 5170 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 24408 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:22,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2022 Valid, 24408 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5170 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:17:22,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43669 states. [2022-01-18 11:17:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43669 to 22747. [2022-01-18 11:17:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.755297634748967) internal successors, (62672), 22746 states have internal predecessors, (62672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:23,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62672 transitions. [2022-01-18 11:17:23,502 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62672 transitions. Word has length 199 [2022-01-18 11:17:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:23,502 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62672 transitions. [2022-01-18 11:17:23,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:23,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62672 transitions. [2022-01-18 11:17:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:23,533 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:23,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:23,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 11:17:23,533 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:23,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:23,533 INFO L85 PathProgramCache]: Analyzing trace with hash -200245677, now seen corresponding path program 100 times [2022-01-18 11:17:23,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:23,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052607352] [2022-01-18 11:17:23,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:23,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:23,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:23,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052607352] [2022-01-18 11:17:23,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052607352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:23,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:23,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:23,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450272085] [2022-01-18 11:17:23,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:23,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:23,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:23,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:23,841 INFO L87 Difference]: Start difference. First operand 22747 states and 62672 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:26,871 INFO L93 Difference]: Finished difference Result 44912 states and 122417 transitions. [2022-01-18 11:17:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:17:26,871 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:26,955 INFO L225 Difference]: With dead ends: 44912 [2022-01-18 11:17:26,955 INFO L226 Difference]: Without dead ends: 44912 [2022-01-18 11:17:26,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=687, Invalid=5165, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:17:26,956 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1992 mSDsluCounter, 24323 mSDsCounter, 0 mSdLazyCounter, 5165 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 25138 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:26,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 25138 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5165 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:17:27,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44912 states. [2022-01-18 11:17:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44912 to 22539. [2022-01-18 11:17:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-18 11:17:27,517 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-18 11:17:27,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:27,517 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-18 11:17:27,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-18 11:17:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:27,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:27,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:27,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 11:17:27,547 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1729767825, now seen corresponding path program 101 times [2022-01-18 11:17:27,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:27,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178912280] [2022-01-18 11:17:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:27,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:27,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:27,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178912280] [2022-01-18 11:17:27,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178912280] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:27,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:27,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:27,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518136804] [2022-01-18 11:17:27,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:27,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:27,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:27,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:27,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:27,848 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:30,694 INFO L93 Difference]: Finished difference Result 40481 states and 110309 transitions. [2022-01-18 11:17:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:17:30,695 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:30,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:30,770 INFO L225 Difference]: With dead ends: 40481 [2022-01-18 11:17:30,770 INFO L226 Difference]: Without dead ends: 40481 [2022-01-18 11:17:30,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=4769, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:17:30,771 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1897 mSDsluCounter, 23488 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 24260 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:30,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 24260 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40481 states. [2022-01-18 11:17:31,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40481 to 22511. [2022-01-18 11:17:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 11:17:31,275 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 11:17:31,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:31,276 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 11:17:31,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 11:17:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:31,304 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:31,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:31,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 11:17:31,304 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:31,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1254609193, now seen corresponding path program 102 times [2022-01-18 11:17:31,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:31,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424376388] [2022-01-18 11:17:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:31,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:31,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424376388] [2022-01-18 11:17:31,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424376388] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:31,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:31,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:31,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970755059] [2022-01-18 11:17:31,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:31,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:31,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:31,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:31,619 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:34,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:34,803 INFO L93 Difference]: Finished difference Result 44816 states and 122126 transitions. [2022-01-18 11:17:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:17:34,804 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:34,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:34,891 INFO L225 Difference]: With dead ends: 44816 [2022-01-18 11:17:34,891 INFO L226 Difference]: Without dead ends: 44816 [2022-01-18 11:17:34,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=761, Invalid=5719, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:17:34,893 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2226 mSDsluCounter, 23031 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 23682 SdHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:34,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2226 Valid, 23682 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:17:34,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44816 states. [2022-01-18 11:17:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44816 to 23051. [2022-01-18 11:17:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23051 states, 23050 states have (on average 2.7571366594360085) internal successors, (63552), 23050 states have internal predecessors, (63552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23051 states to 23051 states and 63552 transitions. [2022-01-18 11:17:35,473 INFO L78 Accepts]: Start accepts. Automaton has 23051 states and 63552 transitions. Word has length 199 [2022-01-18 11:17:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:35,474 INFO L470 AbstractCegarLoop]: Abstraction has 23051 states and 63552 transitions. [2022-01-18 11:17:35,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 23051 states and 63552 transitions. [2022-01-18 11:17:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:35,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:35,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:35,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 11:17:35,503 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:35,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:35,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1018560061, now seen corresponding path program 103 times [2022-01-18 11:17:35,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:35,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619488875] [2022-01-18 11:17:35,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:35,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:35,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:35,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619488875] [2022-01-18 11:17:35,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619488875] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:35,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:35,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:35,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985707862] [2022-01-18 11:17:35,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:35,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:35,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:35,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:35,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:35,813 INFO L87 Difference]: Start difference. First operand 23051 states and 63552 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:38,928 INFO L93 Difference]: Finished difference Result 42969 states and 117483 transitions. [2022-01-18 11:17:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:17:38,929 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:39,009 INFO L225 Difference]: With dead ends: 42969 [2022-01-18 11:17:39,010 INFO L226 Difference]: Without dead ends: 42969 [2022-01-18 11:17:39,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=760, Invalid=6046, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:17:39,011 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 2185 mSDsluCounter, 22886 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 23672 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:39,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2185 Valid, 23672 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:17:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42969 states. [2022-01-18 11:17:39,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42969 to 22987. [2022-01-18 11:17:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22987 states, 22986 states have (on average 2.7557643783172368) internal successors, (63344), 22986 states have internal predecessors, (63344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 63344 transitions. [2022-01-18 11:17:39,554 INFO L78 Accepts]: Start accepts. Automaton has 22987 states and 63344 transitions. Word has length 199 [2022-01-18 11:17:39,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:39,555 INFO L470 AbstractCegarLoop]: Abstraction has 22987 states and 63344 transitions. [2022-01-18 11:17:39,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:39,555 INFO L276 IsEmpty]: Start isEmpty. Operand 22987 states and 63344 transitions. [2022-01-18 11:17:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:39,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:39,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:39,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 11:17:39,585 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:39,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:39,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1353269865, now seen corresponding path program 104 times [2022-01-18 11:17:39,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:39,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489319096] [2022-01-18 11:17:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:39,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:39,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:39,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489319096] [2022-01-18 11:17:39,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489319096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:39,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:39,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:39,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359599975] [2022-01-18 11:17:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:39,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:39,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:39,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:39,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:39,902 INFO L87 Difference]: Start difference. First operand 22987 states and 63344 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:42,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:42,820 INFO L93 Difference]: Finished difference Result 41111 states and 112698 transitions. [2022-01-18 11:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:17:42,821 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:42,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:42,886 INFO L225 Difference]: With dead ends: 41111 [2022-01-18 11:17:42,886 INFO L226 Difference]: Without dead ends: 41111 [2022-01-18 11:17:42,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=665, Invalid=5187, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:17:42,887 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1915 mSDsluCounter, 22523 mSDsCounter, 0 mSdLazyCounter, 5014 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:42,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 23315 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5014 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:42,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41111 states. [2022-01-18 11:17:43,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41111 to 22939. [2022-01-18 11:17:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22939 states, 22938 states have (on average 2.7552532914813845) internal successors, (63200), 22938 states have internal predecessors, (63200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22939 states to 22939 states and 63200 transitions. [2022-01-18 11:17:43,380 INFO L78 Accepts]: Start accepts. Automaton has 22939 states and 63200 transitions. Word has length 199 [2022-01-18 11:17:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:43,381 INFO L470 AbstractCegarLoop]: Abstraction has 22939 states and 63200 transitions. [2022-01-18 11:17:43,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 22939 states and 63200 transitions. [2022-01-18 11:17:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:43,409 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:43,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:43,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 11:17:43,410 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:43,410 INFO L85 PathProgramCache]: Analyzing trace with hash 248017035, now seen corresponding path program 105 times [2022-01-18 11:17:43,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:43,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212575217] [2022-01-18 11:17:43,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:43,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:43,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:43,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212575217] [2022-01-18 11:17:43,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212575217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:43,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:43,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:43,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985490764] [2022-01-18 11:17:43,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:43,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:43,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:43,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:43,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:43,722 INFO L87 Difference]: Start difference. First operand 22939 states and 63200 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:46,635 INFO L93 Difference]: Finished difference Result 42469 states and 116090 transitions. [2022-01-18 11:17:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:17:46,636 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:46,715 INFO L225 Difference]: With dead ends: 42469 [2022-01-18 11:17:46,715 INFO L226 Difference]: Without dead ends: 42469 [2022-01-18 11:17:46,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=5190, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:17:46,716 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 1971 mSDsluCounter, 22813 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 23616 SdHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:46,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1971 Valid, 23616 Invalid, 4951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4932 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:46,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42469 states. [2022-01-18 11:17:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42469 to 22923. [2022-01-18 11:17:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.7550824535380856) internal successors, (63152), 22922 states have internal predecessors, (63152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63152 transitions. [2022-01-18 11:17:47,416 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63152 transitions. Word has length 199 [2022-01-18 11:17:47,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:47,416 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63152 transitions. [2022-01-18 11:17:47,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63152 transitions. [2022-01-18 11:17:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:47,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:47,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:47,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 11:17:47,446 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash -353214283, now seen corresponding path program 106 times [2022-01-18 11:17:47,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:47,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860173882] [2022-01-18 11:17:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:47,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:47,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:47,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860173882] [2022-01-18 11:17:47,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860173882] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:47,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:47,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:47,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248865279] [2022-01-18 11:17:47,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:47,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:47,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:47,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:47,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:47,760 INFO L87 Difference]: Start difference. First operand 22923 states and 63152 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:50,557 INFO L93 Difference]: Finished difference Result 41462 states and 113232 transitions. [2022-01-18 11:17:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:17:50,557 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:50,632 INFO L225 Difference]: With dead ends: 41462 [2022-01-18 11:17:50,632 INFO L226 Difference]: Without dead ends: 41462 [2022-01-18 11:17:50,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4928, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:17:50,633 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 1821 mSDsluCounter, 23746 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 24577 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:50,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 24577 Invalid, 4980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41462 states. [2022-01-18 11:17:51,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 22715. [2022-01-18 11:17:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22715 states, 22714 states have (on average 2.7528396583604824) internal successors, (62528), 22714 states have internal predecessors, (62528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22715 states to 22715 states and 62528 transitions. [2022-01-18 11:17:51,383 INFO L78 Accepts]: Start accepts. Automaton has 22715 states and 62528 transitions. Word has length 199 [2022-01-18 11:17:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:51,383 INFO L470 AbstractCegarLoop]: Abstraction has 22715 states and 62528 transitions. [2022-01-18 11:17:51,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 22715 states and 62528 transitions. [2022-01-18 11:17:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:51,412 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:51,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:51,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 11:17:51,413 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:51,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:51,413 INFO L85 PathProgramCache]: Analyzing trace with hash 340385625, now seen corresponding path program 107 times [2022-01-18 11:17:51,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:51,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975109142] [2022-01-18 11:17:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:51,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:51,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:51,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975109142] [2022-01-18 11:17:51,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975109142] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:51,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:51,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:51,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532302773] [2022-01-18 11:17:51,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:51,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:51,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:51,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:51,706 INFO L87 Difference]: Start difference. First operand 22715 states and 62528 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:54,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:54,377 INFO L93 Difference]: Finished difference Result 38471 states and 105059 transitions. [2022-01-18 11:17:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:17:54,378 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:54,447 INFO L225 Difference]: With dead ends: 38471 [2022-01-18 11:17:54,448 INFO L226 Difference]: Without dead ends: 38471 [2022-01-18 11:17:54,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:17:54,449 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 1863 mSDsluCounter, 20163 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 20824 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:54,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 20824 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:17:54,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38471 states. [2022-01-18 11:17:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38471 to 22875. [2022-01-18 11:17:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-18 11:17:55,076 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-18 11:17:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:55,077 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-18 11:17:55,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-18 11:17:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:55,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:55,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:55,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 11:17:55,108 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:55,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:55,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1681412417, now seen corresponding path program 108 times [2022-01-18 11:17:55,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:55,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554363338] [2022-01-18 11:17:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:55,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:55,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:55,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554363338] [2022-01-18 11:17:55,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554363338] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:55,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:55,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:55,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885864247] [2022-01-18 11:17:55,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:55,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:55,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:55,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:55,406 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:17:58,095 INFO L93 Difference]: Finished difference Result 37567 states and 102859 transitions. [2022-01-18 11:17:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:17:58,096 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:17:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:17:58,163 INFO L225 Difference]: With dead ends: 37567 [2022-01-18 11:17:58,163 INFO L226 Difference]: Without dead ends: 37567 [2022-01-18 11:17:58,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=643, Invalid=4907, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:17:58,164 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 1834 mSDsluCounter, 20406 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 21202 SdHoareTripleChecker+Invalid, 4711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:17:58,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 21202 Invalid, 4711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:17:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37567 states. [2022-01-18 11:17:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37567 to 22811. [2022-01-18 11:17:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-18 11:17:58,821 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-18 11:17:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:17:58,822 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-18 11:17:58,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:17:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-18 11:17:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:17:58,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:17:58,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:17:58,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 11:17:58,851 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:17:58,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:17:58,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2058609641, now seen corresponding path program 109 times [2022-01-18 11:17:58,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:17:58,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375700378] [2022-01-18 11:17:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:17:58,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:17:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:17:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:17:59,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:17:59,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375700378] [2022-01-18 11:17:59,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375700378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:17:59,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:17:59,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:17:59,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743755532] [2022-01-18 11:17:59,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:17:59,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:17:59,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:17:59,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:17:59,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:17:59,139 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:01,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:01,611 INFO L93 Difference]: Finished difference Result 35372 states and 96686 transitions. [2022-01-18 11:18:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:18:01,611 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:01,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:01,672 INFO L225 Difference]: With dead ends: 35372 [2022-01-18 11:18:01,673 INFO L226 Difference]: Without dead ends: 35372 [2022-01-18 11:18:01,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=577, Invalid=3979, Unknown=0, NotChecked=0, Total=4556 [2022-01-18 11:18:01,673 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 1627 mSDsluCounter, 19553 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 20214 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:01,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1627 Valid, 20214 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:18:01,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35372 states. [2022-01-18 11:18:02,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35372 to 22763. [2022-01-18 11:18:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-18 11:18:02,219 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-18 11:18:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:02,219 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-18 11:18:02,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-18 11:18:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:02,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:02,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:02,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 11:18:02,247 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:02,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1695902953, now seen corresponding path program 110 times [2022-01-18 11:18:02,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:02,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979245979] [2022-01-18 11:18:02,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:02,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:02,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:02,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979245979] [2022-01-18 11:18:02,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979245979] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:02,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:02,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:02,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710324813] [2022-01-18 11:18:02,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:02,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:02,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:02,538 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:05,299 INFO L93 Difference]: Finished difference Result 39063 states and 106649 transitions. [2022-01-18 11:18:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:18:05,300 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:05,371 INFO L225 Difference]: With dead ends: 39063 [2022-01-18 11:18:05,372 INFO L226 Difference]: Without dead ends: 39063 [2022-01-18 11:18:05,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4903, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:18:05,372 INFO L933 BasicCegarLoop]: 968 mSDtfsCounter, 1849 mSDsluCounter, 21042 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 21696 SdHoareTripleChecker+Invalid, 4928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:05,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 21696 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:18:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39063 states. [2022-01-18 11:18:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39063 to 22875. [2022-01-18 11:18:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-18 11:18:05,962 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-18 11:18:05,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:05,962 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-18 11:18:05,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-18 11:18:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:05,989 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:05,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:05,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 11:18:05,989 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash 577266301, now seen corresponding path program 111 times [2022-01-18 11:18:05,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:05,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531591518] [2022-01-18 11:18:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:05,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:06,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:06,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531591518] [2022-01-18 11:18:06,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531591518] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:06,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:06,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:06,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713034806] [2022-01-18 11:18:06,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:06,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:06,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:06,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:06,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:06,277 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:09,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:09,083 INFO L93 Difference]: Finished difference Result 38051 states and 104181 transitions. [2022-01-18 11:18:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:18:09,084 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:09,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:09,141 INFO L225 Difference]: With dead ends: 38051 [2022-01-18 11:18:09,141 INFO L226 Difference]: Without dead ends: 38051 [2022-01-18 11:18:09,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=653, Invalid=5199, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:18:09,142 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 1843 mSDsluCounter, 21714 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 22504 SdHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:09,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 22504 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2022-01-18 11:18:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 22811. [2022-01-18 11:18:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-18 11:18:09,559 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-18 11:18:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:09,559 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-18 11:18:09,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-18 11:18:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:09,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:09,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:09,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 11:18:09,586 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:09,586 INFO L85 PathProgramCache]: Analyzing trace with hash 926720185, now seen corresponding path program 112 times [2022-01-18 11:18:09,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:09,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122023657] [2022-01-18 11:18:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:09,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:09,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:09,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122023657] [2022-01-18 11:18:09,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122023657] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:09,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:09,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:09,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140933240] [2022-01-18 11:18:09,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:09,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:09,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:09,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:09,879 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:12,467 INFO L93 Difference]: Finished difference Result 34792 states and 95378 transitions. [2022-01-18 11:18:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:18:12,467 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:12,529 INFO L225 Difference]: With dead ends: 34792 [2022-01-18 11:18:12,530 INFO L226 Difference]: Without dead ends: 34792 [2022-01-18 11:18:12,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=570, Invalid=4400, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:18:12,530 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 1581 mSDsluCounter, 20400 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21159 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:12,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21159 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:18:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-18 11:18:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22727. [2022-01-18 11:18:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-18 11:18:12,969 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-18 11:18:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:12,969 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-18 11:18:12,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-18 11:18:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:12,995 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:12,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:12,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 11:18:12,995 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:12,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:12,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1020121885, now seen corresponding path program 113 times [2022-01-18 11:18:12,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:12,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843934921] [2022-01-18 11:18:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:12,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:13,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:13,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843934921] [2022-01-18 11:18:13,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843934921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:13,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:13,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:13,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755870682] [2022-01-18 11:18:13,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:13,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:13,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:13,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:13,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:13,286 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:16,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:16,201 INFO L93 Difference]: Finished difference Result 43109 states and 117525 transitions. [2022-01-18 11:18:16,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:18:16,202 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:16,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:16,278 INFO L225 Difference]: With dead ends: 43109 [2022-01-18 11:18:16,278 INFO L226 Difference]: Without dead ends: 43109 [2022-01-18 11:18:16,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:18:16,279 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 2030 mSDsluCounter, 22437 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 23108 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:16,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 23108 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43109 states. [2022-01-18 11:18:16,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43109 to 22855. [2022-01-18 11:18:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.7549225518508793) internal successors, (62961), 22854 states have internal predecessors, (62961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62961 transitions. [2022-01-18 11:18:16,780 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62961 transitions. Word has length 199 [2022-01-18 11:18:16,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:16,780 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62961 transitions. [2022-01-18 11:18:16,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62961 transitions. [2022-01-18 11:18:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:16,808 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:16,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:16,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 11:18:16,808 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:16,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1001676157, now seen corresponding path program 114 times [2022-01-18 11:18:16,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:16,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174391112] [2022-01-18 11:18:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:16,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:17,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:17,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174391112] [2022-01-18 11:18:17,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174391112] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:17,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:17,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:17,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714373609] [2022-01-18 11:18:17,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:17,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:17,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:17,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:17,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:17,110 INFO L87 Difference]: Start difference. First operand 22855 states and 62961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:20,017 INFO L93 Difference]: Finished difference Result 41926 states and 114619 transitions. [2022-01-18 11:18:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:18:20,018 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:20,089 INFO L225 Difference]: With dead ends: 41926 [2022-01-18 11:18:20,089 INFO L226 Difference]: Without dead ends: 41926 [2022-01-18 11:18:20,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=724, Invalid=5756, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:18:20,090 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 2005 mSDsluCounter, 23339 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 24158 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:20,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 24158 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41926 states. [2022-01-18 11:18:20,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41926 to 22791. [2022-01-18 11:18:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22791 states, 22790 states have (on average 2.7535322509872753) internal successors, (62753), 22790 states have internal predecessors, (62753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 62753 transitions. [2022-01-18 11:18:20,548 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 62753 transitions. Word has length 199 [2022-01-18 11:18:20,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:20,548 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 62753 transitions. [2022-01-18 11:18:20,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 62753 transitions. [2022-01-18 11:18:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:20,574 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:20,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:20,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 11:18:20,574 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:20,575 INFO L85 PathProgramCache]: Analyzing trace with hash -652222273, now seen corresponding path program 115 times [2022-01-18 11:18:20,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:20,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004210161] [2022-01-18 11:18:20,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:20,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:20,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:20,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004210161] [2022-01-18 11:18:20,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004210161] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:20,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:20,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:20,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133776822] [2022-01-18 11:18:20,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:20,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:20,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:20,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:20,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:20,897 INFO L87 Difference]: Start difference. First operand 22791 states and 62753 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:23,564 INFO L93 Difference]: Finished difference Result 38096 states and 104372 transitions. [2022-01-18 11:18:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:18:23,564 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:23,626 INFO L225 Difference]: With dead ends: 38096 [2022-01-18 11:18:23,627 INFO L226 Difference]: Without dead ends: 38096 [2022-01-18 11:18:23,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=615, Invalid=4787, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:18:23,627 INFO L933 BasicCegarLoop]: 1031 mSDtfsCounter, 1715 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 4902 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 22813 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:23,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 22813 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4902 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:18:23,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38096 states. [2022-01-18 11:18:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38096 to 22743. [2022-01-18 11:18:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22743 states, 22742 states have (on average 2.753012048192771) internal successors, (62609), 22742 states have internal predecessors, (62609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 62609 transitions. [2022-01-18 11:18:24,062 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 62609 transitions. Word has length 199 [2022-01-18 11:18:24,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:24,062 INFO L470 AbstractCegarLoop]: Abstraction has 22743 states and 62609 transitions. [2022-01-18 11:18:24,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 62609 transitions. [2022-01-18 11:18:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:24,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:24,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:24,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 11:18:24,088 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:24,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash 350149707, now seen corresponding path program 116 times [2022-01-18 11:18:24,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:24,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319127158] [2022-01-18 11:18:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:24,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:24,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319127158] [2022-01-18 11:18:24,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319127158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:24,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:24,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:24,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012102581] [2022-01-18 11:18:24,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:24,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:24,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:24,455 INFO L87 Difference]: Start difference. First operand 22743 states and 62609 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:27,130 INFO L93 Difference]: Finished difference Result 38830 states and 106066 transitions. [2022-01-18 11:18:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:18:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:27,193 INFO L225 Difference]: With dead ends: 38830 [2022-01-18 11:18:27,193 INFO L226 Difference]: Without dead ends: 38830 [2022-01-18 11:18:27,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=610, Invalid=4792, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:18:27,194 INFO L933 BasicCegarLoop]: 1060 mSDtfsCounter, 1728 mSDsluCounter, 22711 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 23508 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:27,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23508 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:18:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38830 states. [2022-01-18 11:18:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38830 to 22559. [2022-01-18 11:18:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-18 11:18:27,658 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-18 11:18:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:27,658 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-18 11:18:27,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-18 11:18:27,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:27,686 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:27,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:27,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 11:18:27,687 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:27,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:27,687 INFO L85 PathProgramCache]: Analyzing trace with hash -738284931, now seen corresponding path program 117 times [2022-01-18 11:18:27,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:27,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547091970] [2022-01-18 11:18:27,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:27,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:27,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:27,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547091970] [2022-01-18 11:18:27,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547091970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:27,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:27,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:27,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440041526] [2022-01-18 11:18:27,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:27,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:27,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:27,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:27,979 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:31,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:31,232 INFO L93 Difference]: Finished difference Result 47842 states and 130199 transitions. [2022-01-18 11:18:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:18:31,233 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:31,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:31,317 INFO L225 Difference]: With dead ends: 47842 [2022-01-18 11:18:31,317 INFO L226 Difference]: Without dead ends: 47842 [2022-01-18 11:18:31,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5996, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:18:31,318 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2276 mSDsluCounter, 24804 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 25496 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:31,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 25496 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:18:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47842 states. [2022-01-18 11:18:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47842 to 22911. [2022-01-18 11:18:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.7573548668703625) internal successors, (63171), 22910 states have internal predecessors, (63171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63171 transitions. [2022-01-18 11:18:31,839 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63171 transitions. Word has length 199 [2022-01-18 11:18:31,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:31,839 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63171 transitions. [2022-01-18 11:18:31,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63171 transitions. [2022-01-18 11:18:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:31,866 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:31,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:31,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 11:18:31,866 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:31,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1534884323, now seen corresponding path program 118 times [2022-01-18 11:18:31,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:31,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814632808] [2022-01-18 11:18:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:31,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:32,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:32,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814632808] [2022-01-18 11:18:32,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814632808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:32,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:32,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:32,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575038719] [2022-01-18 11:18:32,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:32,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:32,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:32,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:32,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:32,168 INFO L87 Difference]: Start difference. First operand 22911 states and 63171 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:35,313 INFO L93 Difference]: Finished difference Result 45337 states and 123834 transitions. [2022-01-18 11:18:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 11:18:35,313 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:35,393 INFO L225 Difference]: With dead ends: 45337 [2022-01-18 11:18:35,393 INFO L226 Difference]: Without dead ends: 45337 [2022-01-18 11:18:35,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=783, Invalid=6189, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 11:18:35,394 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 2173 mSDsluCounter, 24697 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 25522 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:35,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 25522 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45337 states. [2022-01-18 11:18:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45337 to 22847. [2022-01-18 11:18:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.755974787709008) internal successors, (62963), 22846 states have internal predecessors, (62963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62963 transitions. [2022-01-18 11:18:35,911 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62963 transitions. Word has length 199 [2022-01-18 11:18:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:35,912 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62963 transitions. [2022-01-18 11:18:35,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62963 transitions. [2022-01-18 11:18:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:35,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:35,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:35,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 11:18:35,939 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:35,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash -836945603, now seen corresponding path program 119 times [2022-01-18 11:18:35,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:35,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805564132] [2022-01-18 11:18:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:35,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:36,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:36,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805564132] [2022-01-18 11:18:36,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805564132] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:36,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:36,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:36,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600811820] [2022-01-18 11:18:36,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:36,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:36,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:36,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:36,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:36,241 INFO L87 Difference]: Start difference. First operand 22847 states and 62963 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:39,206 INFO L93 Difference]: Finished difference Result 43479 states and 119049 transitions. [2022-01-18 11:18:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:18:39,206 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:39,277 INFO L225 Difference]: With dead ends: 43479 [2022-01-18 11:18:39,278 INFO L226 Difference]: Without dead ends: 43479 [2022-01-18 11:18:39,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:18:39,279 INFO L933 BasicCegarLoop]: 1136 mSDtfsCounter, 1903 mSDsluCounter, 24275 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 25110 SdHoareTripleChecker+Invalid, 5364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:39,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 25110 Invalid, 5364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5345 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:39,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43479 states. [2022-01-18 11:18:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43479 to 22799. [2022-01-18 11:18:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7554610053513464) internal successors, (62819), 22798 states have internal predecessors, (62819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62819 transitions. [2022-01-18 11:18:39,749 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62819 transitions. Word has length 199 [2022-01-18 11:18:39,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:39,749 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62819 transitions. [2022-01-18 11:18:39,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62819 transitions. [2022-01-18 11:18:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:39,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:39,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:39,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 11:18:39,775 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:39,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash 764341297, now seen corresponding path program 120 times [2022-01-18 11:18:39,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:39,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221653279] [2022-01-18 11:18:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:39,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:40,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:40,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221653279] [2022-01-18 11:18:40,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221653279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:40,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:40,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:40,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421632211] [2022-01-18 11:18:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:40,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:40,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:40,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:40,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:40,075 INFO L87 Difference]: Start difference. First operand 22799 states and 62819 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:43,031 INFO L93 Difference]: Finished difference Result 44837 states and 122441 transitions. [2022-01-18 11:18:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:18:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:43,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:43,114 INFO L225 Difference]: With dead ends: 44837 [2022-01-18 11:18:43,114 INFO L226 Difference]: Without dead ends: 44837 [2022-01-18 11:18:43,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5324, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:18:43,115 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1959 mSDsluCounter, 24568 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 25413 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:43,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1959 Valid, 25413 Invalid, 5286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5267 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44837 states. [2022-01-18 11:18:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44837 to 22783. [2022-01-18 11:18:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22783 states, 22782 states have (on average 2.7552892634536037) internal successors, (62771), 22782 states have internal predecessors, (62771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22783 states to 22783 states and 62771 transitions. [2022-01-18 11:18:43,609 INFO L78 Accepts]: Start accepts. Automaton has 22783 states and 62771 transitions. Word has length 199 [2022-01-18 11:18:43,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:43,609 INFO L470 AbstractCegarLoop]: Abstraction has 22783 states and 62771 transitions. [2022-01-18 11:18:43,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 22783 states and 62771 transitions. [2022-01-18 11:18:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:43,636 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:43,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:43,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 11:18:43,636 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:43,636 INFO L85 PathProgramCache]: Analyzing trace with hash 163109979, now seen corresponding path program 121 times [2022-01-18 11:18:43,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:43,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860569955] [2022-01-18 11:18:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:43,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:43,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:43,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860569955] [2022-01-18 11:18:43,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860569955] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:43,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:43,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:43,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369362124] [2022-01-18 11:18:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:43,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:43,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:43,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:43,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:43,934 INFO L87 Difference]: Start difference. First operand 22783 states and 62771 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:46,981 INFO L93 Difference]: Finished difference Result 46080 states and 125613 transitions. [2022-01-18 11:18:46,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:18:46,981 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:46,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:47,052 INFO L225 Difference]: With dead ends: 46080 [2022-01-18 11:18:47,052 INFO L226 Difference]: Without dead ends: 46080 [2022-01-18 11:18:47,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5329, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:18:47,053 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1929 mSDsluCounter, 25314 mSDsCounter, 0 mSdLazyCounter, 5264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:47,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 26177 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:18:47,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46080 states. [2022-01-18 11:18:47,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46080 to 22575. [2022-01-18 11:18:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.753034464428103) internal successors, (62147), 22574 states have internal predecessors, (62147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62147 transitions. [2022-01-18 11:18:47,523 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62147 transitions. Word has length 199 [2022-01-18 11:18:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:47,523 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62147 transitions. [2022-01-18 11:18:47,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62147 transitions. [2022-01-18 11:18:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:47,549 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:47,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:47,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 11:18:47,549 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:47,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2093123481, now seen corresponding path program 122 times [2022-01-18 11:18:47,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:47,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147801657] [2022-01-18 11:18:47,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:47,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:47,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:47,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147801657] [2022-01-18 11:18:47,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147801657] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:47,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:47,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:47,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816731433] [2022-01-18 11:18:47,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:47,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:47,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:47,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:47,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:47,844 INFO L87 Difference]: Start difference. First operand 22575 states and 62147 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:50,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:50,548 INFO L93 Difference]: Finished difference Result 41649 states and 113505 transitions. [2022-01-18 11:18:50,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:18:50,548 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:50,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:50,617 INFO L225 Difference]: With dead ends: 41649 [2022-01-18 11:18:50,617 INFO L226 Difference]: Without dead ends: 41649 [2022-01-18 11:18:50,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=624, Invalid=4926, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:18:50,618 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1855 mSDsluCounter, 24439 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 25259 SdHoareTripleChecker+Invalid, 5025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:50,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 25259 Invalid, 5025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5006 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:18:50,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41649 states. [2022-01-18 11:18:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41649 to 22547. [2022-01-18 11:18:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-18 11:18:51,099 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-18 11:18:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:51,099 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-18 11:18:51,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-18 11:18:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:51,125 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:51,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:51,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 11:18:51,126 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:51,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:51,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1710832207, now seen corresponding path program 123 times [2022-01-18 11:18:51,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:51,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137329463] [2022-01-18 11:18:51,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:51,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:51,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:51,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137329463] [2022-01-18 11:18:51,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137329463] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:51,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:51,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:51,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745744053] [2022-01-18 11:18:51,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:51,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:51,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:51,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:51,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:51,419 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:54,633 INFO L93 Difference]: Finished difference Result 47477 states and 129167 transitions. [2022-01-18 11:18:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 11:18:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:54,714 INFO L225 Difference]: With dead ends: 47477 [2022-01-18 11:18:54,714 INFO L226 Difference]: Without dead ends: 47477 [2022-01-18 11:18:54,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=865, Invalid=6275, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 11:18:54,715 INFO L933 BasicCegarLoop]: 1144 mSDtfsCounter, 2404 mSDsluCounter, 25026 mSDsCounter, 0 mSdLazyCounter, 5471 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:54,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 25689 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5471 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:18:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47477 states. [2022-01-18 11:18:55,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 22947. [2022-01-18 11:18:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7578662947790464) internal successors, (63282), 22946 states have internal predecessors, (63282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63282 transitions. [2022-01-18 11:18:55,201 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63282 transitions. Word has length 199 [2022-01-18 11:18:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:55,201 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63282 transitions. [2022-01-18 11:18:55,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63282 transitions. [2022-01-18 11:18:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:55,228 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:55,228 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:55,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 11:18:55,228 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:55,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash 562337047, now seen corresponding path program 124 times [2022-01-18 11:18:55,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:55,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036469654] [2022-01-18 11:18:55,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:55,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:55,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:55,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036469654] [2022-01-18 11:18:55,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036469654] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:55,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:55,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:55,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371789503] [2022-01-18 11:18:55,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:55,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:55,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:55,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:55,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:55,521 INFO L87 Difference]: Start difference. First operand 22947 states and 63282 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:18:58,531 INFO L93 Difference]: Finished difference Result 44564 states and 121725 transitions. [2022-01-18 11:18:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 11:18:58,531 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:18:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:18:58,611 INFO L225 Difference]: With dead ends: 44564 [2022-01-18 11:18:58,611 INFO L226 Difference]: Without dead ends: 44564 [2022-01-18 11:18:58,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=797, Invalid=6175, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 11:18:58,612 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 2262 mSDsluCounter, 24281 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 25060 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:18:58,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 25060 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:18:58,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44564 states. [2022-01-18 11:18:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44564 to 22883. [2022-01-18 11:18:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-18 11:18:59,130 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-18 11:18:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:18:59,131 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-18 11:18:59,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:18:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-18 11:18:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:18:59,156 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:18:59,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:18:59,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 11:18:59,157 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:18:59,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:18:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1809492879, now seen corresponding path program 125 times [2022-01-18 11:18:59,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:18:59,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688394346] [2022-01-18 11:18:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:18:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:18:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:18:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:18:59,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:18:59,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688394346] [2022-01-18 11:18:59,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688394346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:18:59,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:18:59,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:18:59,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652908338] [2022-01-18 11:18:59,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:18:59,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:18:59,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:18:59,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:18:59,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:18:59,458 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:02,306 INFO L93 Difference]: Finished difference Result 42706 states and 116940 transitions. [2022-01-18 11:19:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:02,306 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:02,376 INFO L225 Difference]: With dead ends: 42706 [2022-01-18 11:19:02,376 INFO L226 Difference]: Without dead ends: 42706 [2022-01-18 11:19:02,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=694, Invalid=5312, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:02,377 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 1992 mSDsluCounter, 23772 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 24565 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:02,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 24565 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42706 states. [2022-01-18 11:19:02,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42706 to 22835. [2022-01-18 11:19:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.7559779276517475) internal successors, (62930), 22834 states have internal predecessors, (62930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62930 transitions. [2022-01-18 11:19:02,843 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62930 transitions. Word has length 199 [2022-01-18 11:19:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:02,844 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62930 transitions. [2022-01-18 11:19:02,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62930 transitions. [2022-01-18 11:19:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:02,872 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:02,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:02,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 11:19:02,872 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:02,873 INFO L85 PathProgramCache]: Analyzing trace with hash -208205979, now seen corresponding path program 126 times [2022-01-18 11:19:02,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:02,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620580664] [2022-01-18 11:19:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:02,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:03,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:03,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620580664] [2022-01-18 11:19:03,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620580664] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:03,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:03,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:03,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046946373] [2022-01-18 11:19:03,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:03,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:03,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:03,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:03,239 INFO L87 Difference]: Start difference. First operand 22835 states and 62930 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:06,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:06,075 INFO L93 Difference]: Finished difference Result 44064 states and 120332 transitions. [2022-01-18 11:19:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:06,076 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:06,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:06,158 INFO L225 Difference]: With dead ends: 44064 [2022-01-18 11:19:06,158 INFO L226 Difference]: Without dead ends: 44064 [2022-01-18 11:19:06,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=5313, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:06,159 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2048 mSDsluCounter, 24046 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 5040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:06,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 24849 Invalid, 5040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:06,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44064 states. [2022-01-18 11:19:06,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44064 to 22819. [2022-01-18 11:19:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.755806819177842) internal successors, (62882), 22818 states have internal predecessors, (62882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62882 transitions. [2022-01-18 11:19:06,635 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62882 transitions. Word has length 199 [2022-01-18 11:19:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:06,635 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62882 transitions. [2022-01-18 11:19:06,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62882 transitions. [2022-01-18 11:19:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:06,661 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:06,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:06,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 11:19:06,661 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:06,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash -809437297, now seen corresponding path program 127 times [2022-01-18 11:19:06,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:06,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777675425] [2022-01-18 11:19:06,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:06,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:06,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:06,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777675425] [2022-01-18 11:19:06,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777675425] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:06,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:06,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:06,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749529215] [2022-01-18 11:19:06,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:06,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:06,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:06,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:06,975 INFO L87 Difference]: Start difference. First operand 22819 states and 62882 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:09,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:09,840 INFO L93 Difference]: Finished difference Result 45307 states and 123504 transitions. [2022-01-18 11:19:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:09,917 INFO L225 Difference]: With dead ends: 45307 [2022-01-18 11:19:09,917 INFO L226 Difference]: Without dead ends: 45307 [2022-01-18 11:19:09,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=689, Invalid=5317, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:09,918 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 2018 mSDsluCounter, 24750 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 25572 SdHoareTripleChecker+Invalid, 5042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:09,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2018 Valid, 25572 Invalid, 5042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45307 states. [2022-01-18 11:19:10,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45307 to 22611. [2022-01-18 11:19:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.753560371517028) internal successors, (62258), 22610 states have internal predecessors, (62258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62258 transitions. [2022-01-18 11:19:10,403 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62258 transitions. Word has length 199 [2022-01-18 11:19:10,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:10,403 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62258 transitions. [2022-01-18 11:19:10,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62258 transitions. [2022-01-18 11:19:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:10,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:10,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:10,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 11:19:10,429 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:10,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:10,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1120576205, now seen corresponding path program 128 times [2022-01-18 11:19:10,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:10,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735150060] [2022-01-18 11:19:10,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:10,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:10,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:10,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735150060] [2022-01-18 11:19:10,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735150060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:10,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:10,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:10,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170703210] [2022-01-18 11:19:10,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:10,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:10,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:10,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:10,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:10,734 INFO L87 Difference]: Start difference. First operand 22611 states and 62258 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:13,557 INFO L93 Difference]: Finished difference Result 45965 states and 125226 transitions. [2022-01-18 11:19:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:19:13,558 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:13,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:13,636 INFO L225 Difference]: With dead ends: 45965 [2022-01-18 11:19:13,636 INFO L226 Difference]: Without dead ends: 45965 [2022-01-18 11:19:13,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:19:13,637 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 2008 mSDsluCounter, 24912 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 25737 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:13,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2008 Valid, 25737 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5025 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45965 states. [2022-01-18 11:19:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 22595. [2022-01-18 11:19:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-18 11:19:14,137 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-18 11:19:14,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:14,137 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-18 11:19:14,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-18 11:19:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:14,164 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:14,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:14,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 11:19:14,165 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:14,165 INFO L85 PathProgramCache]: Analyzing trace with hash -528349789, now seen corresponding path program 129 times [2022-01-18 11:19:14,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:14,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507163768] [2022-01-18 11:19:14,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:14,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:14,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:14,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507163768] [2022-01-18 11:19:14,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507163768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:14,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:14,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:14,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354680166] [2022-01-18 11:19:14,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:14,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:14,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:14,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:14,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:14,459 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:17,075 INFO L93 Difference]: Finished difference Result 40930 states and 111524 transitions. [2022-01-18 11:19:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:19:17,075 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:17,146 INFO L225 Difference]: With dead ends: 40930 [2022-01-18 11:19:17,147 INFO L226 Difference]: Without dead ends: 40930 [2022-01-18 11:19:17,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4783, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 11:19:17,147 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 1890 mSDsluCounter, 23950 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 24728 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:17,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1890 Valid, 24728 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40930 states. [2022-01-18 11:19:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 22511. [2022-01-18 11:19:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 11:19:17,588 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 11:19:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:17,588 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 11:19:17,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 11:19:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:17,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:17,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:17,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 11:19:17,614 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:17,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash -903139061, now seen corresponding path program 130 times [2022-01-18 11:19:17,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:17,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9918059] [2022-01-18 11:19:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:17,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:17,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:17,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9918059] [2022-01-18 11:19:17,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9918059] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:17,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:17,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:17,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344425680] [2022-01-18 11:19:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:17,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:17,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:17,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:17,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:17,917 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:20,906 INFO L93 Difference]: Finished difference Result 44432 states and 121038 transitions. [2022-01-18 11:19:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:19:20,906 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:20,977 INFO L225 Difference]: With dead ends: 44432 [2022-01-18 11:19:20,977 INFO L226 Difference]: Without dead ends: 44432 [2022-01-18 11:19:20,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:19:20,978 INFO L933 BasicCegarLoop]: 1028 mSDtfsCounter, 2147 mSDsluCounter, 22633 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 23301 SdHoareTripleChecker+Invalid, 5134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:20,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2147 Valid, 23301 Invalid, 5134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:19:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2022-01-18 11:19:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 23087. [2022-01-18 11:19:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 23086 states have (on average 2.757125530624621) internal successors, (63651), 23086 states have internal predecessors, (63651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 63651 transitions. [2022-01-18 11:19:21,459 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 63651 transitions. Word has length 199 [2022-01-18 11:19:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:21,459 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 63651 transitions. [2022-01-18 11:19:21,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 63651 transitions. [2022-01-18 11:19:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:21,486 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:21,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:21,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 11:19:21,486 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1370030193, now seen corresponding path program 131 times [2022-01-18 11:19:21,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:21,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541432526] [2022-01-18 11:19:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:21,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:21,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:21,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541432526] [2022-01-18 11:19:21,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541432526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:21,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:21,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:21,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782361791] [2022-01-18 11:19:21,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:21,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:21,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:21,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:21,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:21,771 INFO L87 Difference]: Start difference. First operand 23087 states and 63651 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:24,674 INFO L93 Difference]: Finished difference Result 42585 states and 116395 transitions. [2022-01-18 11:19:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-18 11:19:24,675 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:24,744 INFO L225 Difference]: With dead ends: 42585 [2022-01-18 11:19:24,744 INFO L226 Difference]: Without dead ends: 42585 [2022-01-18 11:19:24,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=751, Invalid=6221, Unknown=0, NotChecked=0, Total=6972 [2022-01-18 11:19:24,746 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2107 mSDsluCounter, 22782 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 23578 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:24,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 23578 Invalid, 5007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:24,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42585 states. [2022-01-18 11:19:25,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42585 to 23023. [2022-01-18 11:19:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23023 states, 23022 states have (on average 2.7557553644340196) internal successors, (63443), 23022 states have internal predecessors, (63443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23023 states to 23023 states and 63443 transitions. [2022-01-18 11:19:25,215 INFO L78 Accepts]: Start accepts. Automaton has 23023 states and 63443 transitions. Word has length 199 [2022-01-18 11:19:25,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:25,216 INFO L470 AbstractCegarLoop]: Abstraction has 23023 states and 63443 transitions. [2022-01-18 11:19:25,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 23023 states and 63443 transitions. [2022-01-18 11:19:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:25,245 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:25,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:25,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 11:19:25,245 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:25,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:25,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1001799733, now seen corresponding path program 132 times [2022-01-18 11:19:25,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:25,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729841513] [2022-01-18 11:19:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:25,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:25,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:25,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729841513] [2022-01-18 11:19:25,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729841513] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:25,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:25,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:25,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374441521] [2022-01-18 11:19:25,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:25,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:25,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:25,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:25,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:25,531 INFO L87 Difference]: Start difference. First operand 23023 states and 63443 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:28,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:28,261 INFO L93 Difference]: Finished difference Result 40727 states and 111610 transitions. [2022-01-18 11:19:28,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:28,261 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:28,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:28,330 INFO L225 Difference]: With dead ends: 40727 [2022-01-18 11:19:28,331 INFO L226 Difference]: Without dead ends: 40727 [2022-01-18 11:19:28,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=662, Invalid=5344, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:28,332 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1837 mSDsluCounter, 22461 mSDsCounter, 0 mSdLazyCounter, 4940 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 23261 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:28,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 23261 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4940 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:28,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40727 states. [2022-01-18 11:19:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40727 to 22975. [2022-01-18 11:19:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22975 states, 22974 states have (on average 2.755245059632628) internal successors, (63299), 22974 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 63299 transitions. [2022-01-18 11:19:28,785 INFO L78 Accepts]: Start accepts. Automaton has 22975 states and 63299 transitions. Word has length 199 [2022-01-18 11:19:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:28,786 INFO L470 AbstractCegarLoop]: Abstraction has 22975 states and 63299 transitions. [2022-01-18 11:19:28,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 22975 states and 63299 transitions. [2022-01-18 11:19:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:28,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:28,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:28,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 11:19:28,811 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 599487167, now seen corresponding path program 133 times [2022-01-18 11:19:28,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:28,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167095233] [2022-01-18 11:19:28,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:28,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:29,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:29,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167095233] [2022-01-18 11:19:29,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167095233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:29,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:29,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:29,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935336576] [2022-01-18 11:19:29,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:29,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:29,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:29,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:29,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:29,104 INFO L87 Difference]: Start difference. First operand 22975 states and 63299 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:31,822 INFO L93 Difference]: Finished difference Result 42085 states and 115002 transitions. [2022-01-18 11:19:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:31,822 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:31,891 INFO L225 Difference]: With dead ends: 42085 [2022-01-18 11:19:31,892 INFO L226 Difference]: Without dead ends: 42085 [2022-01-18 11:19:31,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=657, Invalid=5349, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:31,892 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 1893 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4856 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:31,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 23574 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4856 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:31,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42085 states. [2022-01-18 11:19:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42085 to 22959. [2022-01-18 11:19:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22959 states, 22958 states have (on average 2.7550744838400556) internal successors, (63251), 22958 states have internal predecessors, (63251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 63251 transitions. [2022-01-18 11:19:32,368 INFO L78 Accepts]: Start accepts. Automaton has 22959 states and 63251 transitions. Word has length 199 [2022-01-18 11:19:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:32,368 INFO L470 AbstractCegarLoop]: Abstraction has 22959 states and 63251 transitions. [2022-01-18 11:19:32,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 22959 states and 63251 transitions. [2022-01-18 11:19:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:32,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:32,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:32,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 11:19:32,395 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:32,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1744151, now seen corresponding path program 134 times [2022-01-18 11:19:32,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:32,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557520629] [2022-01-18 11:19:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:32,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:32,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:32,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557520629] [2022-01-18 11:19:32,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557520629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:32,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:32,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:32,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371776027] [2022-01-18 11:19:32,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:32,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:32,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:32,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:32,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:32,682 INFO L87 Difference]: Start difference. First operand 22959 states and 63251 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:35,347 INFO L93 Difference]: Finished difference Result 41078 states and 112144 transitions. [2022-01-18 11:19:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:19:35,347 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:35,416 INFO L225 Difference]: With dead ends: 41078 [2022-01-18 11:19:35,416 INFO L226 Difference]: Without dead ends: 41078 [2022-01-18 11:19:35,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:19:35,418 INFO L933 BasicCegarLoop]: 1101 mSDtfsCounter, 1764 mSDsluCounter, 23740 mSDsCounter, 0 mSdLazyCounter, 4890 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:35,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 24578 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4890 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:35,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41078 states. [2022-01-18 11:19:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41078 to 22751. [2022-01-18 11:19:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.7528351648351648) internal successors, (62627), 22750 states have internal predecessors, (62627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62627 transitions. [2022-01-18 11:19:35,899 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62627 transitions. Word has length 199 [2022-01-18 11:19:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:35,899 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62627 transitions. [2022-01-18 11:19:35,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62627 transitions. [2022-01-18 11:19:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:35,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:35,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:35,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 11:19:35,926 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:35,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash 691855757, now seen corresponding path program 135 times [2022-01-18 11:19:35,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:35,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96226591] [2022-01-18 11:19:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:35,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:36,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:36,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96226591] [2022-01-18 11:19:36,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96226591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:36,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:36,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:36,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583717429] [2022-01-18 11:19:36,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:36,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:36,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:36,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:36,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:36,223 INFO L87 Difference]: Start difference. First operand 22751 states and 62627 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:38,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:38,792 INFO L93 Difference]: Finished difference Result 38087 states and 103971 transitions. [2022-01-18 11:19:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:19:38,792 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:38,857 INFO L225 Difference]: With dead ends: 38087 [2022-01-18 11:19:38,857 INFO L226 Difference]: Without dead ends: 38087 [2022-01-18 11:19:38,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=625, Invalid=4487, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:19:38,858 INFO L933 BasicCegarLoop]: 908 mSDtfsCounter, 1784 mSDsluCounter, 19639 mSDsCounter, 0 mSdLazyCounter, 4533 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 20323 SdHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:38,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1784 Valid, 20323 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4533 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38087 states. [2022-01-18 11:19:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38087 to 22911. [2022-01-18 11:19:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-18 11:19:39,310 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-18 11:19:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:39,310 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-18 11:19:39,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-18 11:19:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:39,336 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:39,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:39,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 11:19:39,337 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:39,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:39,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1329942285, now seen corresponding path program 136 times [2022-01-18 11:19:39,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:39,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074839279] [2022-01-18 11:19:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:39,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:39,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:39,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074839279] [2022-01-18 11:19:39,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074839279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:39,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:39,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:39,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366488729] [2022-01-18 11:19:39,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:39,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:39,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:39,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:39,626 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:42,257 INFO L93 Difference]: Finished difference Result 37183 states and 101771 transitions. [2022-01-18 11:19:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:19:42,258 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:42,319 INFO L225 Difference]: With dead ends: 37183 [2022-01-18 11:19:42,319 INFO L226 Difference]: Without dead ends: 37183 [2022-01-18 11:19:42,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=650, Invalid=5050, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:19:42,320 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 1777 mSDsluCounter, 20192 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 21003 SdHoareTripleChecker+Invalid, 4606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:42,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 21003 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37183 states. [2022-01-18 11:19:42,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37183 to 22847. [2022-01-18 11:19:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-18 11:19:42,753 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-18 11:19:42,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:42,753 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-18 11:19:42,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-18 11:19:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:42,779 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:42,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:42,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 11:19:42,780 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1707139509, now seen corresponding path program 137 times [2022-01-18 11:19:42,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:42,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925706665] [2022-01-18 11:19:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:42,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:43,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:43,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925706665] [2022-01-18 11:19:43,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925706665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:43,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:43,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:43,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627701413] [2022-01-18 11:19:43,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:43,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:43,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:43,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:43,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:43,074 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:45,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:45,448 INFO L93 Difference]: Finished difference Result 34988 states and 95598 transitions. [2022-01-18 11:19:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:19:45,448 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:45,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:45,503 INFO L225 Difference]: With dead ends: 34988 [2022-01-18 11:19:45,503 INFO L226 Difference]: Without dead ends: 34988 [2022-01-18 11:19:45,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=3972, Unknown=0, NotChecked=0, Total=4556 [2022-01-18 11:19:45,504 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 1599 mSDsluCounter, 19051 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 19734 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:45,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 19734 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:19:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34988 states. [2022-01-18 11:19:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34988 to 22799. [2022-01-18 11:19:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7528291955434687) internal successors, (62759), 22798 states have internal predecessors, (62759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62759 transitions. [2022-01-18 11:19:45,917 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62759 transitions. Word has length 199 [2022-01-18 11:19:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:45,917 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62759 transitions. [2022-01-18 11:19:45,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62759 transitions. [2022-01-18 11:19:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:45,943 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:45,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:45,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 11:19:45,943 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:45,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:45,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1344432821, now seen corresponding path program 138 times [2022-01-18 11:19:45,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:45,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343268051] [2022-01-18 11:19:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:45,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:46,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:46,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343268051] [2022-01-18 11:19:46,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343268051] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:46,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:46,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:46,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215412745] [2022-01-18 11:19:46,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:46,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:46,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:46,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:46,240 INFO L87 Difference]: Start difference. First operand 22799 states and 62759 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:48,918 INFO L93 Difference]: Finished difference Result 38679 states and 105561 transitions. [2022-01-18 11:19:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:19:48,918 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:48,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:48,981 INFO L225 Difference]: With dead ends: 38679 [2022-01-18 11:19:48,981 INFO L226 Difference]: Without dead ends: 38679 [2022-01-18 11:19:48,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=639, Invalid=4911, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:19:48,982 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1791 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 4747 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:48,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1791 Valid, 21235 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38679 states. [2022-01-18 11:19:49,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38679 to 22911. [2022-01-18 11:19:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-18 11:19:49,420 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-18 11:19:49,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:49,421 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-18 11:19:49,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-18 11:19:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:49,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:49,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:49,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 11:19:49,446 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:49,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:49,447 INFO L85 PathProgramCache]: Analyzing trace with hash 928736433, now seen corresponding path program 139 times [2022-01-18 11:19:49,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:49,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579841245] [2022-01-18 11:19:49,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:49,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:49,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:49,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579841245] [2022-01-18 11:19:49,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579841245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:49,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:49,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:49,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539246705] [2022-01-18 11:19:49,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:49,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:49,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:49,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:49,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:49,744 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:52,447 INFO L93 Difference]: Finished difference Result 37667 states and 103093 transitions. [2022-01-18 11:19:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:52,447 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:52,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:52,508 INFO L225 Difference]: With dead ends: 37667 [2022-01-18 11:19:52,508 INFO L226 Difference]: Without dead ends: 37667 [2022-01-18 11:19:52,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=654, Invalid=5352, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:52,509 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 1786 mSDsluCounter, 21563 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 22365 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:52,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 22365 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37667 states. [2022-01-18 11:19:52,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37667 to 22847. [2022-01-18 11:19:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-18 11:19:53,022 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-18 11:19:53,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:53,022 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-18 11:19:53,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-18 11:19:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:53,048 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:53,048 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:53,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 11:19:53,048 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:53,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1278190317, now seen corresponding path program 140 times [2022-01-18 11:19:53,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:53,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792180020] [2022-01-18 11:19:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:53,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:53,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:53,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792180020] [2022-01-18 11:19:53,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792180020] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:53,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:53,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:53,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744792809] [2022-01-18 11:19:53,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:53,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:53,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:53,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:53,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:53,341 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:55,799 INFO L93 Difference]: Finished difference Result 34408 states and 94290 transitions. [2022-01-18 11:19:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:19:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:55,853 INFO L225 Difference]: With dead ends: 34408 [2022-01-18 11:19:55,853 INFO L226 Difference]: Without dead ends: 34408 [2022-01-18 11:19:55,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=575, Invalid=4537, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:19:55,854 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1545 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 21013 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:55,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1545 Valid, 21013 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:19:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2022-01-18 11:19:56,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 22763. [2022-01-18 11:19:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-18 11:19:56,258 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-18 11:19:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:56,258 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-18 11:19:56,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-18 11:19:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:56,286 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:56,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:56,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 11:19:56,286 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1371592017, now seen corresponding path program 141 times [2022-01-18 11:19:56,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:56,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506922229] [2022-01-18 11:19:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:19:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:19:56,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:19:56,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506922229] [2022-01-18 11:19:56,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506922229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:19:56,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:19:56,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:19:56,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228696820] [2022-01-18 11:19:56,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:19:56,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:19:56,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:19:56,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:19:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:19:56,572 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:19:59,367 INFO L93 Difference]: Finished difference Result 42725 states and 116437 transitions. [2022-01-18 11:19:59,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:19:59,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:19:59,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:19:59,436 INFO L225 Difference]: With dead ends: 42725 [2022-01-18 11:19:59,436 INFO L226 Difference]: Without dead ends: 42725 [2022-01-18 11:19:59,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:19:59,437 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1972 mSDsluCounter, 22018 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 22708 SdHoareTripleChecker+Invalid, 5088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:19:59,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1972 Valid, 22708 Invalid, 5088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5065 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:19:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42725 states. [2022-01-18 11:19:59,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42725 to 22891. [2022-01-18 11:19:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22891 states, 22890 states have (on average 2.7549148099606815) internal successors, (63060), 22890 states have internal predecessors, (63060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 63060 transitions. [2022-01-18 11:19:59,904 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 63060 transitions. Word has length 199 [2022-01-18 11:19:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:19:59,904 INFO L470 AbstractCegarLoop]: Abstraction has 22891 states and 63060 transitions. [2022-01-18 11:19:59,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:19:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 63060 transitions. [2022-01-18 11:19:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:19:59,930 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:19:59,930 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:19:59,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 11:19:59,930 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:19:59,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:19:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash -650206025, now seen corresponding path program 142 times [2022-01-18 11:19:59,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:19:59,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434871087] [2022-01-18 11:19:59,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:19:59,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:19:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:00,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:00,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434871087] [2022-01-18 11:20:00,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434871087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:00,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:00,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:00,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941698516] [2022-01-18 11:20:00,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:00,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:00,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:00,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:00,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:00,223 INFO L87 Difference]: Start difference. First operand 22891 states and 63060 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:03,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:03,098 INFO L93 Difference]: Finished difference Result 41542 states and 113531 transitions. [2022-01-18 11:20:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:20:03,098 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:03,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:03,166 INFO L225 Difference]: With dead ends: 41542 [2022-01-18 11:20:03,166 INFO L226 Difference]: Without dead ends: 41542 [2022-01-18 11:20:03,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=719, Invalid=5923, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:20:03,167 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 1948 mSDsluCounter, 23260 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 24089 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:03,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 24089 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:20:03,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41542 states. [2022-01-18 11:20:03,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41542 to 22827. [2022-01-18 11:20:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22827 states, 22826 states have (on average 2.7535266801016385) internal successors, (62852), 22826 states have internal predecessors, (62852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22827 states to 22827 states and 62852 transitions. [2022-01-18 11:20:03,639 INFO L78 Accepts]: Start accepts. Automaton has 22827 states and 62852 transitions. Word has length 199 [2022-01-18 11:20:03,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:03,639 INFO L470 AbstractCegarLoop]: Abstraction has 22827 states and 62852 transitions. [2022-01-18 11:20:03,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 22827 states and 62852 transitions. [2022-01-18 11:20:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:03,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:03,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:03,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 11:20:03,668 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:03,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash -300752141, now seen corresponding path program 143 times [2022-01-18 11:20:03,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:03,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461618710] [2022-01-18 11:20:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:03,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:03,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:03,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461618710] [2022-01-18 11:20:03,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461618710] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:03,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:03,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:03,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848166409] [2022-01-18 11:20:03,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:03,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:03,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:03,963 INFO L87 Difference]: Start difference. First operand 22827 states and 62852 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:06,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:06,580 INFO L93 Difference]: Finished difference Result 37712 states and 103284 transitions. [2022-01-18 11:20:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:20:06,580 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:06,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:06,644 INFO L225 Difference]: With dead ends: 37712 [2022-01-18 11:20:06,644 INFO L226 Difference]: Without dead ends: 37712 [2022-01-18 11:20:06,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=616, Invalid=4934, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:20:06,645 INFO L933 BasicCegarLoop]: 1020 mSDtfsCounter, 1658 mSDsluCounter, 21937 mSDsCounter, 0 mSdLazyCounter, 4817 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22738 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:06,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22738 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4817 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:20:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37712 states. [2022-01-18 11:20:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37712 to 22779. [2022-01-18 11:20:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22779 states, 22778 states have (on average 2.7530072877337783) internal successors, (62708), 22778 states have internal predecessors, (62708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 62708 transitions. [2022-01-18 11:20:07,105 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 62708 transitions. Word has length 199 [2022-01-18 11:20:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:07,106 INFO L470 AbstractCegarLoop]: Abstraction has 22779 states and 62708 transitions. [2022-01-18 11:20:07,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 62708 transitions. [2022-01-18 11:20:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:07,132 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:07,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:07,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 11:20:07,133 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:07,133 INFO L85 PathProgramCache]: Analyzing trace with hash 701619839, now seen corresponding path program 144 times [2022-01-18 11:20:07,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:07,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18504351] [2022-01-18 11:20:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:07,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:07,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18504351] [2022-01-18 11:20:07,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18504351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:07,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:07,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:07,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590483469] [2022-01-18 11:20:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:07,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:07,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:07,426 INFO L87 Difference]: Start difference. First operand 22779 states and 62708 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:10,035 INFO L93 Difference]: Finished difference Result 38446 states and 104978 transitions. [2022-01-18 11:20:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:20:10,036 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:10,103 INFO L225 Difference]: With dead ends: 38446 [2022-01-18 11:20:10,103 INFO L226 Difference]: Without dead ends: 38446 [2022-01-18 11:20:10,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=609, Invalid=4941, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:20:10,104 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 1692 mSDsluCounter, 22656 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 23461 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:10,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 23461 Invalid, 4767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:20:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38446 states. [2022-01-18 11:20:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38446 to 22595. [2022-01-18 11:20:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.752854740196512) internal successors, (62198), 22594 states have internal predecessors, (62198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62198 transitions. [2022-01-18 11:20:10,533 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62198 transitions. Word has length 199 [2022-01-18 11:20:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:10,533 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62198 transitions. [2022-01-18 11:20:10,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62198 transitions. [2022-01-18 11:20:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:10,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:10,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:10,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 11:20:10,559 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:10,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:10,559 INFO L85 PathProgramCache]: Analyzing trace with hash -386814799, now seen corresponding path program 145 times [2022-01-18 11:20:10,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:10,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753599439] [2022-01-18 11:20:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:10,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:10,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:10,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753599439] [2022-01-18 11:20:10,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753599439] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:10,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:10,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:10,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434196091] [2022-01-18 11:20:10,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:10,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:10,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:10,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:10,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:10,852 INFO L87 Difference]: Start difference. First operand 22595 states and 62198 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:14,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:14,014 INFO L93 Difference]: Finished difference Result 47458 states and 129111 transitions. [2022-01-18 11:20:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:20:14,015 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:14,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:14,093 INFO L225 Difference]: With dead ends: 47458 [2022-01-18 11:20:14,093 INFO L226 Difference]: Without dead ends: 47458 [2022-01-18 11:20:14,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:20:14,094 INFO L933 BasicCegarLoop]: 1111 mSDtfsCounter, 2218 mSDsluCounter, 24494 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 25201 SdHoareTripleChecker+Invalid, 5597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:14,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2218 Valid, 25201 Invalid, 5597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:20:14,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47458 states. [2022-01-18 11:20:14,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47458 to 22947. [2022-01-18 11:20:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7573433278131265) internal successors, (63270), 22946 states have internal predecessors, (63270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63270 transitions. [2022-01-18 11:20:14,587 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63270 transitions. Word has length 199 [2022-01-18 11:20:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:14,587 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63270 transitions. [2022-01-18 11:20:14,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63270 transitions. [2022-01-18 11:20:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:14,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:14,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:14,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 11:20:14,614 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:14,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:14,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1886354455, now seen corresponding path program 146 times [2022-01-18 11:20:14,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:14,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516764938] [2022-01-18 11:20:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:14,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:14,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:14,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516764938] [2022-01-18 11:20:14,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516764938] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:14,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:14,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:14,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526312812] [2022-01-18 11:20:14,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:14,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:14,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:14,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:14,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:14,917 INFO L87 Difference]: Start difference. First operand 22947 states and 63270 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:17,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:17,999 INFO L93 Difference]: Finished difference Result 44953 states and 122746 transitions. [2022-01-18 11:20:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 11:20:17,999 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:17,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:18,074 INFO L225 Difference]: With dead ends: 44953 [2022-01-18 11:20:18,074 INFO L226 Difference]: Without dead ends: 44953 [2022-01-18 11:20:18,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=772, Invalid=6368, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 11:20:18,075 INFO L933 BasicCegarLoop]: 1130 mSDtfsCounter, 2116 mSDsluCounter, 24678 mSDsCounter, 0 mSdLazyCounter, 5324 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25511 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:18,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25511 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5324 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2022-01-18 11:20:18,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 22883. [2022-01-18 11:20:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7559653876409405) internal successors, (63062), 22882 states have internal predecessors, (63062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63062 transitions. [2022-01-18 11:20:18,553 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63062 transitions. Word has length 199 [2022-01-18 11:20:18,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:18,554 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63062 transitions. [2022-01-18 11:20:18,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63062 transitions. [2022-01-18 11:20:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:18,580 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:18,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:18,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 11:20:18,580 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:18,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:18,580 INFO L85 PathProgramCache]: Analyzing trace with hash -485475471, now seen corresponding path program 147 times [2022-01-18 11:20:18,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:18,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934198974] [2022-01-18 11:20:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:18,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:18,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:18,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934198974] [2022-01-18 11:20:18,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934198974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:18,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:18,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:18,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271340711] [2022-01-18 11:20:18,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:18,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:18,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:18,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:18,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:18,873 INFO L87 Difference]: Start difference. First operand 22883 states and 63062 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:21,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:21,819 INFO L93 Difference]: Finished difference Result 43095 states and 117961 transitions. [2022-01-18 11:20:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:20:21,819 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:21,891 INFO L225 Difference]: With dead ends: 43095 [2022-01-18 11:20:21,891 INFO L226 Difference]: Without dead ends: 43095 [2022-01-18 11:20:21,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:20:21,892 INFO L933 BasicCegarLoop]: 1125 mSDtfsCounter, 1846 mSDsluCounter, 24298 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 25139 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:21,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 25139 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5291 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43095 states. [2022-01-18 11:20:22,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 22835. [2022-01-18 11:20:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.755452395550495) internal successors, (62918), 22834 states have internal predecessors, (62918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62918 transitions. [2022-01-18 11:20:22,365 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62918 transitions. Word has length 199 [2022-01-18 11:20:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:22,365 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62918 transitions. [2022-01-18 11:20:22,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62918 transitions. [2022-01-18 11:20:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:22,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:22,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:22,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-18 11:20:22,392 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:22,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:22,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1115811429, now seen corresponding path program 148 times [2022-01-18 11:20:22,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:22,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122730549] [2022-01-18 11:20:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:22,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:22,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:22,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122730549] [2022-01-18 11:20:22,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122730549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:22,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:22,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:22,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460264862] [2022-01-18 11:20:22,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:22,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:22,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:22,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:22,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:22,688 INFO L87 Difference]: Start difference. First operand 22835 states and 62918 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:25,582 INFO L93 Difference]: Finished difference Result 44453 states and 121353 transitions. [2022-01-18 11:20:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:20:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:25,654 INFO L225 Difference]: With dead ends: 44453 [2022-01-18 11:20:25,655 INFO L226 Difference]: Without dead ends: 44453 [2022-01-18 11:20:25,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=675, Invalid=5487, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:20:25,656 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 1902 mSDsluCounter, 24603 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 25454 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:25,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 25454 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:25,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44453 states. [2022-01-18 11:20:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44453 to 22819. [2022-01-18 11:20:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.7552809185730562) internal successors, (62870), 22818 states have internal predecessors, (62870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62870 transitions. [2022-01-18 11:20:26,234 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62870 transitions. Word has length 199 [2022-01-18 11:20:26,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:26,234 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62870 transitions. [2022-01-18 11:20:26,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62870 transitions. [2022-01-18 11:20:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:26,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:26,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:26,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-18 11:20:26,260 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 514580111, now seen corresponding path program 149 times [2022-01-18 11:20:26,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:26,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526942194] [2022-01-18 11:20:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:26,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:26,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:26,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526942194] [2022-01-18 11:20:26,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526942194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:26,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:26,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:26,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494108994] [2022-01-18 11:20:26,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:26,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:26,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:26,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:26,547 INFO L87 Difference]: Start difference. First operand 22819 states and 62870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:29,402 INFO L93 Difference]: Finished difference Result 45696 states and 124525 transitions. [2022-01-18 11:20:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:20:29,403 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:29,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:29,480 INFO L225 Difference]: With dead ends: 45696 [2022-01-18 11:20:29,480 INFO L226 Difference]: Without dead ends: 45696 [2022-01-18 11:20:29,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:20:29,481 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 1872 mSDsluCounter, 25383 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 26251 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:29,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 26251 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:29,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45696 states. [2022-01-18 11:20:29,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 22611. [2022-01-18 11:20:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.7530296329057937) internal successors, (62246), 22610 states have internal predecessors, (62246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62246 transitions. [2022-01-18 11:20:30,061 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62246 transitions. Word has length 199 [2022-01-18 11:20:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:30,062 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62246 transitions. [2022-01-18 11:20:30,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62246 transitions. [2022-01-18 11:20:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:30,087 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:30,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:30,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-18 11:20:30,088 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:30,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1850373683, now seen corresponding path program 150 times [2022-01-18 11:20:30,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:30,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047024733] [2022-01-18 11:20:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:30,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:30,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:30,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047024733] [2022-01-18 11:20:30,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047024733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:30,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:30,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:30,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852880087] [2022-01-18 11:20:30,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:30,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:30,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:30,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:30,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:30,374 INFO L87 Difference]: Start difference. First operand 22611 states and 62246 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:33,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:33,044 INFO L93 Difference]: Finished difference Result 41265 states and 112417 transitions. [2022-01-18 11:20:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:20:33,044 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:33,112 INFO L225 Difference]: With dead ends: 41265 [2022-01-18 11:20:33,112 INFO L226 Difference]: Without dead ends: 41265 [2022-01-18 11:20:33,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:20:33,113 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1819 mSDsluCounter, 24468 mSDsCounter, 0 mSdLazyCounter, 4941 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 25293 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:33,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 25293 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4941 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:20:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41265 states. [2022-01-18 11:20:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41265 to 22583. [2022-01-18 11:20:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22583 states, 22582 states have (on average 2.752856257195997) internal successors, (62165), 22582 states have internal predecessors, (62165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22583 states to 22583 states and 62165 transitions. [2022-01-18 11:20:33,764 INFO L78 Accepts]: Start accepts. Automaton has 22583 states and 62165 transitions. Word has length 199 [2022-01-18 11:20:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:33,764 INFO L470 AbstractCegarLoop]: Abstraction has 22583 states and 62165 transitions. [2022-01-18 11:20:33,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22583 states and 62165 transitions. [2022-01-18 11:20:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:33,789 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:33,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:33,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-18 11:20:33,790 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:33,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1359362075, now seen corresponding path program 151 times [2022-01-18 11:20:33,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:33,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626877840] [2022-01-18 11:20:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:33,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:34,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:34,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626877840] [2022-01-18 11:20:34,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626877840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:34,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:34,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:34,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045473215] [2022-01-18 11:20:34,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:34,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:34,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:34,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:34,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:34,114 INFO L87 Difference]: Start difference. First operand 22583 states and 62165 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:37,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:37,272 INFO L93 Difference]: Finished difference Result 48005 states and 130591 transitions. [2022-01-18 11:20:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-18 11:20:37,272 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:37,492 INFO L225 Difference]: With dead ends: 48005 [2022-01-18 11:20:37,493 INFO L226 Difference]: Without dead ends: 48005 [2022-01-18 11:20:37,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=831, Invalid=6309, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 11:20:37,493 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2346 mSDsluCounter, 25468 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:37,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2346 Valid, 26177 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:20:37,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48005 states. [2022-01-18 11:20:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48005 to 22983. [2022-01-18 11:20:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22983 states, 22982 states have (on average 2.757853972674267) internal successors, (63381), 22982 states have internal predecessors, (63381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22983 states to 22983 states and 63381 transitions. [2022-01-18 11:20:37,938 INFO L78 Accepts]: Start accepts. Automaton has 22983 states and 63381 transitions. Word has length 199 [2022-01-18 11:20:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:37,938 INFO L470 AbstractCegarLoop]: Abstraction has 22983 states and 63381 transitions. [2022-01-18 11:20:37,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22983 states and 63381 transitions. [2022-01-18 11:20:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:37,965 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:37,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:37,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-18 11:20:37,965 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:37,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash 913807179, now seen corresponding path program 152 times [2022-01-18 11:20:37,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:37,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011191508] [2022-01-18 11:20:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:37,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:38,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:38,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011191508] [2022-01-18 11:20:38,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011191508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:38,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:38,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:38,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830227035] [2022-01-18 11:20:38,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:38,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:38,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:38,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:38,266 INFO L87 Difference]: Start difference. First operand 22983 states and 63381 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:41,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:41,312 INFO L93 Difference]: Finished difference Result 45312 states and 123734 transitions. [2022-01-18 11:20:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-18 11:20:41,312 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:41,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:41,389 INFO L225 Difference]: With dead ends: 45312 [2022-01-18 11:20:41,389 INFO L226 Difference]: Without dead ends: 45312 [2022-01-18 11:20:41,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=796, Invalid=6514, Unknown=0, NotChecked=0, Total=7310 [2022-01-18 11:20:41,391 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2205 mSDsluCounter, 25287 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 26120 SdHoareTripleChecker+Invalid, 5281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:41,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 26120 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45312 states. [2022-01-18 11:20:41,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45312 to 22919. [2022-01-18 11:20:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22919 states, 22918 states have (on average 2.7564796230037527) internal successors, (63173), 22918 states have internal predecessors, (63173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 63173 transitions. [2022-01-18 11:20:41,869 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 63173 transitions. Word has length 199 [2022-01-18 11:20:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:41,869 INFO L470 AbstractCegarLoop]: Abstraction has 22919 states and 63173 transitions. [2022-01-18 11:20:41,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 63173 transitions. [2022-01-18 11:20:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:41,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:41,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:41,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-18 11:20:41,896 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:41,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1458022747, now seen corresponding path program 153 times [2022-01-18 11:20:41,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:41,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172790241] [2022-01-18 11:20:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:41,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:42,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:42,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172790241] [2022-01-18 11:20:42,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172790241] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:42,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:42,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:42,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525422399] [2022-01-18 11:20:42,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:42,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:42,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:42,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:42,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:42,189 INFO L87 Difference]: Start difference. First operand 22919 states and 63173 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:45,080 INFO L93 Difference]: Finished difference Result 43454 states and 118949 transitions. [2022-01-18 11:20:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:20:45,080 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:45,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:45,151 INFO L225 Difference]: With dead ends: 43454 [2022-01-18 11:20:45,152 INFO L226 Difference]: Without dead ends: 43454 [2022-01-18 11:20:45,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=699, Invalid=5621, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:20:45,153 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1935 mSDsluCounter, 24817 mSDsCounter, 0 mSdLazyCounter, 5224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 25662 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:45,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1935 Valid, 25662 Invalid, 5243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:45,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43454 states. [2022-01-18 11:20:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43454 to 22871. [2022-01-18 11:20:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22871 states, 22870 states have (on average 2.755968517708789) internal successors, (63029), 22870 states have internal predecessors, (63029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 63029 transitions. [2022-01-18 11:20:45,614 INFO L78 Accepts]: Start accepts. Automaton has 22871 states and 63029 transitions. Word has length 199 [2022-01-18 11:20:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:45,614 INFO L470 AbstractCegarLoop]: Abstraction has 22871 states and 63029 transitions. [2022-01-18 11:20:45,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22871 states and 63029 transitions. [2022-01-18 11:20:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:45,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:45,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:45,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-01-18 11:20:45,640 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:45,641 INFO L85 PathProgramCache]: Analyzing trace with hash 143264153, now seen corresponding path program 154 times [2022-01-18 11:20:45,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:45,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627234028] [2022-01-18 11:20:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:45,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:45,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:45,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627234028] [2022-01-18 11:20:45,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627234028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:45,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:45,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:45,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983017603] [2022-01-18 11:20:45,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:45,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:45,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:45,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:45,940 INFO L87 Difference]: Start difference. First operand 22871 states and 63029 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:48,832 INFO L93 Difference]: Finished difference Result 44812 states and 122341 transitions. [2022-01-18 11:20:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:20:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:48,907 INFO L225 Difference]: With dead ends: 44812 [2022-01-18 11:20:48,907 INFO L226 Difference]: Without dead ends: 44812 [2022-01-18 11:20:48,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=696, Invalid=5624, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:20:48,908 INFO L933 BasicCegarLoop]: 1162 mSDtfsCounter, 1991 mSDsluCounter, 25105 mSDsCounter, 0 mSdLazyCounter, 5151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 25960 SdHoareTripleChecker+Invalid, 5170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:48,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 25960 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5151 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44812 states. [2022-01-18 11:20:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44812 to 22855. [2022-01-18 11:20:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.755797672179925) internal successors, (62981), 22854 states have internal predecessors, (62981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62981 transitions. [2022-01-18 11:20:49,382 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62981 transitions. Word has length 199 [2022-01-18 11:20:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:49,382 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62981 transitions. [2022-01-18 11:20:49,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62981 transitions. [2022-01-18 11:20:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:49,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:49,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:49,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-01-18 11:20:49,408 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash -457967165, now seen corresponding path program 155 times [2022-01-18 11:20:49,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:49,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015261356] [2022-01-18 11:20:49,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:49,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:49,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:49,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015261356] [2022-01-18 11:20:49,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015261356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:49,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:49,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:49,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528108683] [2022-01-18 11:20:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:49,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:49,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:49,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:49,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:49,702 INFO L87 Difference]: Start difference. First operand 22855 states and 62981 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:52,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:52,613 INFO L93 Difference]: Finished difference Result 46055 states and 125513 transitions. [2022-01-18 11:20:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:20:52,614 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:52,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:52,689 INFO L225 Difference]: With dead ends: 46055 [2022-01-18 11:20:52,689 INFO L226 Difference]: Without dead ends: 46055 [2022-01-18 11:20:52,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5630, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:20:52,690 INFO L933 BasicCegarLoop]: 1199 mSDtfsCounter, 1961 mSDsluCounter, 25842 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 26715 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:52,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 26715 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:52,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46055 states. [2022-01-18 11:20:53,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46055 to 22647. [2022-01-18 11:20:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22647 states, 22646 states have (on average 2.753554711648856) internal successors, (62357), 22646 states have internal predecessors, (62357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22647 states to 22647 states and 62357 transitions. [2022-01-18 11:20:53,205 INFO L78 Accepts]: Start accepts. Automaton has 22647 states and 62357 transitions. Word has length 199 [2022-01-18 11:20:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:53,205 INFO L470 AbstractCegarLoop]: Abstraction has 22647 states and 62357 transitions. [2022-01-18 11:20:53,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22647 states and 62357 transitions. [2022-01-18 11:20:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:53,232 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:53,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:53,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-01-18 11:20:53,232 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1472046337, now seen corresponding path program 156 times [2022-01-18 11:20:53,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:53,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047516308] [2022-01-18 11:20:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:53,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:53,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:53,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047516308] [2022-01-18 11:20:53,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047516308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:53,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:53,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:53,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518690885] [2022-01-18 11:20:53,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:53,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:53,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:53,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:53,524 INFO L87 Difference]: Start difference. First operand 22647 states and 62357 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:20:56,398 INFO L93 Difference]: Finished difference Result 46713 states and 127235 transitions. [2022-01-18 11:20:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:20:56,398 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:20:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:20:56,477 INFO L225 Difference]: With dead ends: 46713 [2022-01-18 11:20:56,478 INFO L226 Difference]: Without dead ends: 46713 [2022-01-18 11:20:56,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:20:56,479 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 1951 mSDsluCounter, 26008 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 5178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:20:56,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 26884 Invalid, 5178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:20:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46713 states. [2022-01-18 11:20:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46713 to 22631. [2022-01-18 11:20:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22631 states, 22630 states have (on average 2.7533804684047722) internal successors, (62309), 22630 states have internal predecessors, (62309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22631 states to 22631 states and 62309 transitions. [2022-01-18 11:20:56,968 INFO L78 Accepts]: Start accepts. Automaton has 22631 states and 62309 transitions. Word has length 199 [2022-01-18 11:20:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:20:56,969 INFO L470 AbstractCegarLoop]: Abstraction has 22631 states and 62309 transitions. [2022-01-18 11:20:56,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:20:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22631 states and 62309 transitions. [2022-01-18 11:20:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:20:56,994 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:20:56,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:20:56,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-01-18 11:20:56,994 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:20:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:20:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash -176879657, now seen corresponding path program 157 times [2022-01-18 11:20:56,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:20:56,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847776055] [2022-01-18 11:20:56,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:20:56,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:20:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:20:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:20:57,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:20:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847776055] [2022-01-18 11:20:57,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847776055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:20:57,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:20:57,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:20:57,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912014931] [2022-01-18 11:20:57,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:20:57,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:20:57,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:20:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:20:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:20:57,355 INFO L87 Difference]: Start difference. First operand 22631 states and 62309 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:00,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:00,022 INFO L93 Difference]: Finished difference Result 41678 states and 113533 transitions. [2022-01-18 11:21:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:21:00,022 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:00,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:00,089 INFO L225 Difference]: With dead ends: 41678 [2022-01-18 11:21:00,089 INFO L226 Difference]: Without dead ends: 41678 [2022-01-18 11:21:00,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=621, Invalid=5079, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:21:00,090 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 1854 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 25834 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:00,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 25834 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-18 11:21:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-01-18 11:21:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 22547. [2022-01-18 11:21:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-18 11:21:00,549 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-18 11:21:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:00,549 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-18 11:21:00,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-18 11:21:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:00,574 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:00,575 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:00,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-01-18 11:21:00,575 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:00,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1840550795, now seen corresponding path program 158 times [2022-01-18 11:21:00,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:00,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745719192] [2022-01-18 11:21:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:00,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:00,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:00,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745719192] [2022-01-18 11:21:00,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745719192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:00,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:00,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:00,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813741901] [2022-01-18 11:21:00,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:00,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:00,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:00,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:00,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:00,871 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:04,188 INFO L93 Difference]: Finished difference Result 47322 states and 128391 transitions. [2022-01-18 11:21:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-18 11:21:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:04,267 INFO L225 Difference]: With dead ends: 47322 [2022-01-18 11:21:04,268 INFO L226 Difference]: Without dead ends: 47322 [2022-01-18 11:21:04,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=943, Invalid=7067, Unknown=0, NotChecked=0, Total=8010 [2022-01-18 11:21:04,269 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 2524 mSDsluCounter, 25601 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 26277 SdHoareTripleChecker+Invalid, 5421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:04,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 26277 Invalid, 5421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:21:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47322 states. [2022-01-18 11:21:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47322 to 22995. [2022-01-18 11:21:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22995 states, 22994 states have (on average 2.758371749151953) internal successors, (63426), 22994 states have internal predecessors, (63426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 63426 transitions. [2022-01-18 11:21:04,750 INFO L78 Accepts]: Start accepts. Automaton has 22995 states and 63426 transitions. Word has length 199 [2022-01-18 11:21:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:04,750 INFO L470 AbstractCegarLoop]: Abstraction has 22995 states and 63426 transitions. [2022-01-18 11:21:04,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22995 states and 63426 transitions. [2022-01-18 11:21:04,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:04,776 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:04,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:04,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-01-18 11:21:04,776 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash 432618459, now seen corresponding path program 159 times [2022-01-18 11:21:04,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:04,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780279799] [2022-01-18 11:21:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:04,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:05,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:05,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780279799] [2022-01-18 11:21:05,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780279799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:05,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:05,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:05,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492772388] [2022-01-18 11:21:05,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:05,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:05,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:05,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:05,068 INFO L87 Difference]: Start difference. First operand 22995 states and 63426 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:08,187 INFO L93 Difference]: Finished difference Result 44127 states and 120211 transitions. [2022-01-18 11:21:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-18 11:21:08,187 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:08,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:08,262 INFO L225 Difference]: With dead ends: 44127 [2022-01-18 11:21:08,262 INFO L226 Difference]: Without dead ends: 44127 [2022-01-18 11:21:08,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=848, Invalid=6808, Unknown=0, NotChecked=0, Total=7656 [2022-01-18 11:21:08,263 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 2322 mSDsluCounter, 24856 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 25633 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:08,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 25633 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5077 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:08,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44127 states. [2022-01-18 11:21:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44127 to 22931. [2022-01-18 11:21:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22931 states, 22930 states have (on average 2.7569995638901004) internal successors, (63218), 22930 states have internal predecessors, (63218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22931 states to 22931 states and 63218 transitions. [2022-01-18 11:21:08,728 INFO L78 Accepts]: Start accepts. Automaton has 22931 states and 63218 transitions. Word has length 199 [2022-01-18 11:21:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:08,728 INFO L470 AbstractCegarLoop]: Abstraction has 22931 states and 63218 transitions. [2022-01-18 11:21:08,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22931 states and 63218 transitions. [2022-01-18 11:21:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:08,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:08,754 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:08,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-01-18 11:21:08,754 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:08,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:08,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1939211467, now seen corresponding path program 160 times [2022-01-18 11:21:08,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:08,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125896888] [2022-01-18 11:21:08,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:08,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:09,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:09,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125896888] [2022-01-18 11:21:09,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125896888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:09,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:09,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:09,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691231899] [2022-01-18 11:21:09,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:09,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:09,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:09,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:09,050 INFO L87 Difference]: Start difference. First operand 22931 states and 63218 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:12,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:12,043 INFO L93 Difference]: Finished difference Result 42269 states and 115426 transitions. [2022-01-18 11:21:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:21:12,044 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:12,114 INFO L225 Difference]: With dead ends: 42269 [2022-01-18 11:21:12,114 INFO L226 Difference]: Without dead ends: 42269 [2022-01-18 11:21:12,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=747, Invalid=5895, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:21:12,115 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 2052 mSDsluCounter, 24278 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 25072 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:12,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2052 Valid, 25072 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:21:12,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42269 states. [2022-01-18 11:21:12,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42269 to 22883. [2022-01-18 11:21:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-18 11:21:12,565 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-18 11:21:12,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:12,565 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-18 11:21:12,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-18 11:21:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:12,592 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:12,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:12,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-01-18 11:21:12,592 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:12,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash -337924567, now seen corresponding path program 161 times [2022-01-18 11:21:12,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:12,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878482836] [2022-01-18 11:21:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:12,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:12,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878482836] [2022-01-18 11:21:12,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878482836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:12,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:12,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:12,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755463781] [2022-01-18 11:21:12,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:12,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:12,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:12,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:12,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:12,882 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:15,761 INFO L93 Difference]: Finished difference Result 43627 states and 118818 transitions. [2022-01-18 11:21:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:21:15,761 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:15,833 INFO L225 Difference]: With dead ends: 43627 [2022-01-18 11:21:15,833 INFO L226 Difference]: Without dead ends: 43627 [2022-01-18 11:21:15,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=745, Invalid=5897, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:21:15,834 INFO L933 BasicCegarLoop]: 1135 mSDtfsCounter, 2108 mSDsluCounter, 24550 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 25354 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:15,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2108 Valid, 25354 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:21:15,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43627 states. [2022-01-18 11:21:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43627 to 22867. [2022-01-18 11:21:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22867 states, 22866 states have (on average 2.7563194262223387) internal successors, (63026), 22866 states have internal predecessors, (63026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22867 states to 22867 states and 63026 transitions. [2022-01-18 11:21:16,295 INFO L78 Accepts]: Start accepts. Automaton has 22867 states and 63026 transitions. Word has length 199 [2022-01-18 11:21:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:16,295 INFO L470 AbstractCegarLoop]: Abstraction has 22867 states and 63026 transitions. [2022-01-18 11:21:16,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22867 states and 63026 transitions. [2022-01-18 11:21:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:16,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:16,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:16,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-01-18 11:21:16,321 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:16,321 INFO L85 PathProgramCache]: Analyzing trace with hash -939155885, now seen corresponding path program 162 times [2022-01-18 11:21:16,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:16,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245980419] [2022-01-18 11:21:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:16,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:16,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:16,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245980419] [2022-01-18 11:21:16,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245980419] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:16,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:16,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:16,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352646344] [2022-01-18 11:21:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:16,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:16,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:16,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:16,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:16,610 INFO L87 Difference]: Start difference. First operand 22867 states and 63026 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:19,485 INFO L93 Difference]: Finished difference Result 44870 states and 121990 transitions. [2022-01-18 11:21:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:21:19,486 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:19,559 INFO L225 Difference]: With dead ends: 44870 [2022-01-18 11:21:19,559 INFO L226 Difference]: Without dead ends: 44870 [2022-01-18 11:21:19,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=740, Invalid=5902, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:21:19,560 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 2078 mSDsluCounter, 25226 mSDsCounter, 0 mSdLazyCounter, 4979 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 26050 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:19,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2078 Valid, 26050 Invalid, 4998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4979 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:21:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44870 states. [2022-01-18 11:21:19,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 22659. [2022-01-18 11:21:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22659 states, 22658 states have (on average 2.7540824432871394) internal successors, (62402), 22658 states have internal predecessors, (62402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22659 states to 22659 states and 62402 transitions. [2022-01-18 11:21:20,035 INFO L78 Accepts]: Start accepts. Automaton has 22659 states and 62402 transitions. Word has length 199 [2022-01-18 11:21:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:20,035 INFO L470 AbstractCegarLoop]: Abstraction has 22659 states and 62402 transitions. [2022-01-18 11:21:20,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 22659 states and 62402 transitions. [2022-01-18 11:21:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:20,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:20,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:20,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-01-18 11:21:20,061 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:20,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:20,061 INFO L85 PathProgramCache]: Analyzing trace with hash 990857617, now seen corresponding path program 163 times [2022-01-18 11:21:20,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:20,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727553598] [2022-01-18 11:21:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:20,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:20,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:20,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727553598] [2022-01-18 11:21:20,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727553598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:20,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:20,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:20,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128696064] [2022-01-18 11:21:20,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:20,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:20,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:20,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:20,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:20,349 INFO L87 Difference]: Start difference. First operand 22659 states and 62402 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:23,223 INFO L93 Difference]: Finished difference Result 45528 states and 123712 transitions. [2022-01-18 11:21:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:21:23,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:23,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:23,298 INFO L225 Difference]: With dead ends: 45528 [2022-01-18 11:21:23,298 INFO L226 Difference]: Without dead ends: 45528 [2022-01-18 11:21:23,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=717, Invalid=5763, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:21:23,299 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 2068 mSDsluCounter, 25366 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 26194 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:23,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 26194 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4981 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:21:23,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45528 states. [2022-01-18 11:21:23,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45528 to 22643. [2022-01-18 11:21:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22643 states, 22642 states have (on average 2.7539086653122515) internal successors, (62354), 22642 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22643 states to 22643 states and 62354 transitions. [2022-01-18 11:21:23,764 INFO L78 Accepts]: Start accepts. Automaton has 22643 states and 62354 transitions. Word has length 199 [2022-01-18 11:21:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:23,764 INFO L470 AbstractCegarLoop]: Abstraction has 22643 states and 62354 transitions. [2022-01-18 11:21:23,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22643 states and 62354 transitions. [2022-01-18 11:21:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:23,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:23,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:23,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-01-18 11:21:23,790 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:23,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:23,790 INFO L85 PathProgramCache]: Analyzing trace with hash -658068377, now seen corresponding path program 164 times [2022-01-18 11:21:23,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:23,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416707936] [2022-01-18 11:21:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:23,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:24,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:24,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416707936] [2022-01-18 11:21:24,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416707936] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:24,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:24,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:24,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427788117] [2022-01-18 11:21:24,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:24,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:24,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:24,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:24,083 INFO L87 Difference]: Start difference. First operand 22643 states and 62354 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:26,889 INFO L93 Difference]: Finished difference Result 45716 states and 124204 transitions. [2022-01-18 11:21:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 11:21:26,890 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:26,964 INFO L225 Difference]: With dead ends: 45716 [2022-01-18 11:21:26,964 INFO L226 Difference]: Without dead ends: 45716 [2022-01-18 11:21:26,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=697, Invalid=5623, Unknown=0, NotChecked=0, Total=6320 [2022-01-18 11:21:26,965 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 2014 mSDsluCounter, 25494 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 26324 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:26,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2014 Valid, 26324 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-18 11:21:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-01-18 11:21:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 22595. [2022-01-18 11:21:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-18 11:21:27,437 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-18 11:21:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:27,437 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-18 11:21:27,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-18 11:21:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:27,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:27,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:27,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-01-18 11:21:27,463 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:27,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:27,463 INFO L85 PathProgramCache]: Analyzing trace with hash -717258735, now seen corresponding path program 165 times [2022-01-18 11:21:27,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:27,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951659958] [2022-01-18 11:21:27,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:27,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:27,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:27,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951659958] [2022-01-18 11:21:27,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951659958] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:27,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:27,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:27,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541948725] [2022-01-18 11:21:27,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:27,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:27,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:27,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:27,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:27,752 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:30,387 INFO L93 Difference]: Finished difference Result 40397 states and 109722 transitions. [2022-01-18 11:21:30,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:21:30,388 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:30,452 INFO L225 Difference]: With dead ends: 40397 [2022-01-18 11:21:30,452 INFO L226 Difference]: Without dead ends: 40397 [2022-01-18 11:21:30,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=673, Invalid=5333, Unknown=0, NotChecked=0, Total=6006 [2022-01-18 11:21:30,453 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1941 mSDsluCounter, 24837 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 25615 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:30,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 25615 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:21:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40397 states. [2022-01-18 11:21:30,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 22511. [2022-01-18 11:21:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-18 11:21:30,901 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-18 11:21:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:30,901 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-18 11:21:30,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-18 11:21:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:30,931 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:30,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:30,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-01-18 11:21:30,931 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:30,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:30,932 INFO L85 PathProgramCache]: Analyzing trace with hash -97982595, now seen corresponding path program 166 times [2022-01-18 11:21:30,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:30,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198485073] [2022-01-18 11:21:30,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:30,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:31,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:31,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198485073] [2022-01-18 11:21:31,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198485073] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:31,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:31,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:31,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832706342] [2022-01-18 11:21:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:31,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:31,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:31,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:31,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:31,226 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:34,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:34,536 INFO L93 Difference]: Finished difference Result 46356 states and 126421 transitions. [2022-01-18 11:21:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:21:34,536 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:34,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:34,613 INFO L225 Difference]: With dead ends: 46356 [2022-01-18 11:21:34,613 INFO L226 Difference]: Without dead ends: 46356 [2022-01-18 11:21:34,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=878, Invalid=5928, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:21:34,614 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 2539 mSDsluCounter, 24723 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 25401 SdHoareTripleChecker+Invalid, 5625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:34,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 25401 Invalid, 5625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:21:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46356 states. [2022-01-18 11:21:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46356 to 24095. [2022-01-18 11:21:35,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24095 states, 24094 states have (on average 2.7568274259151657) internal successors, (66423), 24094 states have internal predecessors, (66423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 66423 transitions. [2022-01-18 11:21:35,121 INFO L78 Accepts]: Start accepts. Automaton has 24095 states and 66423 transitions. Word has length 199 [2022-01-18 11:21:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:35,121 INFO L470 AbstractCegarLoop]: Abstraction has 24095 states and 66423 transitions. [2022-01-18 11:21:35,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 24095 states and 66423 transitions. [2022-01-18 11:21:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:35,149 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:35,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:35,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-01-18 11:21:35,149 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2119780637, now seen corresponding path program 167 times [2022-01-18 11:21:35,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:35,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625035603] [2022-01-18 11:21:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:35,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:35,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:35,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625035603] [2022-01-18 11:21:35,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625035603] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:35,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:35,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:35,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086919151] [2022-01-18 11:21:35,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:35,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:35,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:35,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:35,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:35,451 INFO L87 Difference]: Start difference. First operand 24095 states and 66423 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:38,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:38,636 INFO L93 Difference]: Finished difference Result 44905 states and 122831 transitions. [2022-01-18 11:21:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:21:38,636 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:38,709 INFO L225 Difference]: With dead ends: 44905 [2022-01-18 11:21:38,709 INFO L226 Difference]: Without dead ends: 44905 [2022-01-18 11:21:38,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:21:38,710 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2510 mSDsluCounter, 23954 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 24771 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:38,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2510 Valid, 24771 Invalid, 5361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5338 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44905 states. [2022-01-18 11:21:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44905 to 24031. [2022-01-18 11:21:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24031 states, 24030 states have (on average 2.7555139409071994) internal successors, (66215), 24030 states have internal predecessors, (66215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 66215 transitions. [2022-01-18 11:21:39,221 INFO L78 Accepts]: Start accepts. Automaton has 24031 states and 66215 transitions. Word has length 199 [2022-01-18 11:21:39,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:39,221 INFO L470 AbstractCegarLoop]: Abstraction has 24031 states and 66215 transitions. [2022-01-18 11:21:39,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 24031 states and 66215 transitions. [2022-01-18 11:21:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:39,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:39,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:39,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-01-18 11:21:39,249 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash -196643267, now seen corresponding path program 168 times [2022-01-18 11:21:39,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:39,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173225496] [2022-01-18 11:21:39,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:39,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:39,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:39,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173225496] [2022-01-18 11:21:39,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173225496] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:39,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:39,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:39,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10618073] [2022-01-18 11:21:39,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:39,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:39,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:39,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:39,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:39,552 INFO L87 Difference]: Start difference. First operand 24031 states and 66215 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:42,566 INFO L93 Difference]: Finished difference Result 43047 states and 118046 transitions. [2022-01-18 11:21:42,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:21:42,567 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:42,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:42,638 INFO L225 Difference]: With dead ends: 43047 [2022-01-18 11:21:42,638 INFO L226 Difference]: Without dead ends: 43047 [2022-01-18 11:21:42,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:21:42,639 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 2240 mSDsluCounter, 23465 mSDsCounter, 0 mSdLazyCounter, 5294 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 24294 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:42,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2240 Valid, 24294 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5294 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43047 states. [2022-01-18 11:21:43,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43047 to 23983. [2022-01-18 11:21:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23983 states, 23982 states have (on average 2.755024601784672) internal successors, (66071), 23982 states have internal predecessors, (66071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 66071 transitions. [2022-01-18 11:21:43,338 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 66071 transitions. Word has length 199 [2022-01-18 11:21:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:43,338 INFO L470 AbstractCegarLoop]: Abstraction has 23983 states and 66071 transitions. [2022-01-18 11:21:43,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 66071 transitions. [2022-01-18 11:21:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:43,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:43,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:43,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-01-18 11:21:43,366 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:43,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:43,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1404643633, now seen corresponding path program 169 times [2022-01-18 11:21:43,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:43,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606410920] [2022-01-18 11:21:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:43,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:43,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:43,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606410920] [2022-01-18 11:21:43,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606410920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:43,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:43,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:43,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515814162] [2022-01-18 11:21:43,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:43,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:43,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:43,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:43,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:43,655 INFO L87 Difference]: Start difference. First operand 23983 states and 66071 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:46,588 INFO L93 Difference]: Finished difference Result 44405 states and 121438 transitions. [2022-01-18 11:21:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:21:46,588 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:46,662 INFO L225 Difference]: With dead ends: 44405 [2022-01-18 11:21:46,662 INFO L226 Difference]: Without dead ends: 44405 [2022-01-18 11:21:46,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=732, Invalid=5120, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:21:46,663 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2296 mSDsluCounter, 23719 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:46,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 24559 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44405 states. [2022-01-18 11:21:47,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44405 to 23967. [2022-01-18 11:21:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23967 states, 23966 states have (on average 2.7548610531586415) internal successors, (66023), 23966 states have internal predecessors, (66023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 66023 transitions. [2022-01-18 11:21:47,354 INFO L78 Accepts]: Start accepts. Automaton has 23967 states and 66023 transitions. Word has length 199 [2022-01-18 11:21:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:47,354 INFO L470 AbstractCegarLoop]: Abstraction has 23967 states and 66023 transitions. [2022-01-18 11:21:47,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 23967 states and 66023 transitions. [2022-01-18 11:21:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:47,378 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:47,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:47,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-01-18 11:21:47,378 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:47,379 INFO L85 PathProgramCache]: Analyzing trace with hash 803412315, now seen corresponding path program 170 times [2022-01-18 11:21:47,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:47,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626595671] [2022-01-18 11:21:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:47,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:47,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:47,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626595671] [2022-01-18 11:21:47,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626595671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:47,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:47,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:47,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455087134] [2022-01-18 11:21:47,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:47,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:47,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:47,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:47,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:47,672 INFO L87 Difference]: Start difference. First operand 23967 states and 66023 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:50,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:50,559 INFO L93 Difference]: Finished difference Result 43398 states and 118580 transitions. [2022-01-18 11:21:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:21:50,559 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:50,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:50,630 INFO L225 Difference]: With dead ends: 43398 [2022-01-18 11:21:50,630 INFO L226 Difference]: Without dead ends: 43398 [2022-01-18 11:21:50,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=688, Invalid=4862, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:21:50,631 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2116 mSDsluCounter, 24512 mSDsCounter, 0 mSdLazyCounter, 5240 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25383 SdHoareTripleChecker+Invalid, 5259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:50,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25383 Invalid, 5259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5240 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:50,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43398 states. [2022-01-18 11:21:51,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43398 to 23759. [2022-01-18 11:21:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23759 states, 23758 states have (on average 2.7527148749894774) internal successors, (65399), 23758 states have internal predecessors, (65399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23759 states to 23759 states and 65399 transitions. [2022-01-18 11:21:51,240 INFO L78 Accepts]: Start accepts. Automaton has 23759 states and 65399 transitions. Word has length 199 [2022-01-18 11:21:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:51,240 INFO L470 AbstractCegarLoop]: Abstraction has 23759 states and 65399 transitions. [2022-01-18 11:21:51,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23759 states and 65399 transitions. [2022-01-18 11:21:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:51,266 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:51,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:51,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-01-18 11:21:51,266 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:51,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1497012223, now seen corresponding path program 171 times [2022-01-18 11:21:51,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:51,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634287953] [2022-01-18 11:21:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:51,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:51,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:51,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634287953] [2022-01-18 11:21:51,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634287953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:51,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:51,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:51,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023097252] [2022-01-18 11:21:51,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:51,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:51,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:51,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:51,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:51,565 INFO L87 Difference]: Start difference. First operand 23759 states and 65399 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:54,593 INFO L93 Difference]: Finished difference Result 46938 states and 128128 transitions. [2022-01-18 11:21:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:21:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:54,671 INFO L225 Difference]: With dead ends: 46938 [2022-01-18 11:21:54,671 INFO L226 Difference]: Without dead ends: 46938 [2022-01-18 11:21:54,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=708, Invalid=4992, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 11:21:54,672 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 2356 mSDsluCounter, 23360 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 24044 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:54,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 24044 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5503 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:21:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46938 states. [2022-01-18 11:21:55,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 23919. [2022-01-18 11:21:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-01-18 11:21:55,355 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-01-18 11:21:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:55,355 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-01-18 11:21:55,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-01-18 11:21:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:55,380 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:55,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:55,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-01-18 11:21:55,380 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:55,380 INFO L85 PathProgramCache]: Analyzing trace with hash -524785819, now seen corresponding path program 172 times [2022-01-18 11:21:55,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:55,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556004405] [2022-01-18 11:21:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:55,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:55,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:55,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556004405] [2022-01-18 11:21:55,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556004405] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:55,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:55,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:55,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302273350] [2022-01-18 11:21:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:55,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:55,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:55,674 INFO L87 Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:21:58,598 INFO L93 Difference]: Finished difference Result 45777 states and 125289 transitions. [2022-01-18 11:21:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:21:58,598 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:21:58,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:21:58,675 INFO L225 Difference]: With dead ends: 45777 [2022-01-18 11:21:58,676 INFO L226 Difference]: Without dead ends: 45777 [2022-01-18 11:21:58,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:21:58,677 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2278 mSDsluCounter, 22342 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 23154 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:21:58,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 23154 Invalid, 5284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:21:58,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45777 states. [2022-01-18 11:21:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 23855. [2022-01-18 11:21:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-01-18 11:21:59,266 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-01-18 11:21:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:21:59,266 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-01-18 11:21:59,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:21:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-01-18 11:21:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:21:59,293 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:21:59,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:21:59,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-01-18 11:21:59,293 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:21:59,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:21:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash -901983043, now seen corresponding path program 173 times [2022-01-18 11:21:59,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:21:59,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546286283] [2022-01-18 11:21:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:21:59,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:21:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:21:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:21:59,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:21:59,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546286283] [2022-01-18 11:21:59,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546286283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:21:59,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:21:59,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:21:59,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738587879] [2022-01-18 11:21:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:21:59,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:21:59,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:21:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:21:59,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:21:59,585 INFO L87 Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:02,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:02,425 INFO L93 Difference]: Finished difference Result 43104 states and 117858 transitions. [2022-01-18 11:22:02,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:22:02,426 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:02,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:02,497 INFO L225 Difference]: With dead ends: 43104 [2022-01-18 11:22:02,497 INFO L226 Difference]: Without dead ends: 43104 [2022-01-18 11:22:02,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=627, Invalid=4343, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 11:22:02,498 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1926 mSDsluCounter, 22998 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 23684 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:02,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 23684 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:22:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43104 states. [2022-01-18 11:22:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 23807. [2022-01-18 11:22:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23807 states, 23806 states have (on average 2.7527094009913466) internal successors, (65531), 23806 states have internal predecessors, (65531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 65531 transitions. [2022-01-18 11:22:03,092 INFO L78 Accepts]: Start accepts. Automaton has 23807 states and 65531 transitions. Word has length 199 [2022-01-18 11:22:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:03,092 INFO L470 AbstractCegarLoop]: Abstraction has 23807 states and 65531 transitions. [2022-01-18 11:22:03,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23807 states and 65531 transitions. [2022-01-18 11:22:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:03,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:03,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:03,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-01-18 11:22:03,120 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash -539276355, now seen corresponding path program 174 times [2022-01-18 11:22:03,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:03,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271622907] [2022-01-18 11:22:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:03,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:03,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:03,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271622907] [2022-01-18 11:22:03,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271622907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:03,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:03,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:03,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624250740] [2022-01-18 11:22:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:03,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:03,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:03,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:03,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:03,414 INFO L87 Difference]: Start difference. First operand 23807 states and 65531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:06,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:06,645 INFO L93 Difference]: Finished difference Result 47530 states and 129718 transitions. [2022-01-18 11:22:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:22:06,646 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:06,720 INFO L225 Difference]: With dead ends: 47530 [2022-01-18 11:22:06,721 INFO L226 Difference]: Without dead ends: 47530 [2022-01-18 11:22:06,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=761, Invalid=5401, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:22:06,721 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 2279 mSDsluCounter, 24102 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 24785 SdHoareTripleChecker+Invalid, 5692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:06,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 24785 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 11:22:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47530 states. [2022-01-18 11:22:07,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47530 to 23919. [2022-01-18 11:22:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-01-18 11:22:07,226 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-01-18 11:22:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:07,226 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-01-18 11:22:07,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-01-18 11:22:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:07,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:07,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:07,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-01-18 11:22:07,255 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:07,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1733892899, now seen corresponding path program 175 times [2022-01-18 11:22:07,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:07,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615391663] [2022-01-18 11:22:07,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:07,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:07,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:07,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615391663] [2022-01-18 11:22:07,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615391663] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:07,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:07,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:07,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382077591] [2022-01-18 11:22:07,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:07,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:07,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:07,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:07,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:07,550 INFO L87 Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:10,683 INFO L93 Difference]: Finished difference Result 46261 states and 126611 transitions. [2022-01-18 11:22:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:22:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:10,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:10,754 INFO L225 Difference]: With dead ends: 46261 [2022-01-18 11:22:10,754 INFO L226 Difference]: Without dead ends: 46261 [2022-01-18 11:22:10,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=741, Invalid=5421, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 11:22:10,755 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 2287 mSDsluCounter, 23818 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 24635 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:10,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 24635 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5415 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:22:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46261 states. [2022-01-18 11:22:11,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46261 to 23855. [2022-01-18 11:22:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-01-18 11:22:11,236 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-01-18 11:22:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:11,237 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-01-18 11:22:11,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-01-18 11:22:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:11,264 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:11,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:11,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-01-18 11:22:11,264 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:11,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash 2083346783, now seen corresponding path program 176 times [2022-01-18 11:22:11,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:11,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988106734] [2022-01-18 11:22:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:11,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:11,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:11,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988106734] [2022-01-18 11:22:11,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988106734] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:11,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:11,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:11,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138174611] [2022-01-18 11:22:11,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:11,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:11,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:11,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:11,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:11,565 INFO L87 Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:14,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:14,350 INFO L93 Difference]: Finished difference Result 42273 states and 115926 transitions. [2022-01-18 11:22:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:22:14,351 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:14,418 INFO L225 Difference]: With dead ends: 42273 [2022-01-18 11:22:14,419 INFO L226 Difference]: Without dead ends: 42273 [2022-01-18 11:22:14,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4490, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 11:22:14,419 INFO L933 BasicCegarLoop]: 1067 mSDtfsCounter, 1912 mSDsluCounter, 22513 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 23303 SdHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:14,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1912 Valid, 23303 Invalid, 5249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:22:14,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42273 states. [2022-01-18 11:22:14,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42273 to 23771. [2022-01-18 11:22:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23771 states, 23770 states have (on average 2.7527135044173328) internal successors, (65432), 23770 states have internal predecessors, (65432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 65432 transitions. [2022-01-18 11:22:14,886 INFO L78 Accepts]: Start accepts. Automaton has 23771 states and 65432 transitions. Word has length 199 [2022-01-18 11:22:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:14,886 INFO L470 AbstractCegarLoop]: Abstraction has 23771 states and 65432 transitions. [2022-01-18 11:22:14,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 23771 states and 65432 transitions. [2022-01-18 11:22:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:14,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:14,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:14,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-01-18 11:22:14,914 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:14,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:14,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2118218813, now seen corresponding path program 177 times [2022-01-18 11:22:14,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:14,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25882132] [2022-01-18 11:22:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:14,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:15,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:15,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25882132] [2022-01-18 11:22:15,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25882132] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:15,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:15,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:15,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851620743] [2022-01-18 11:22:15,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:15,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:15,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:15,267 INFO L87 Difference]: Start difference. First operand 23771 states and 65432 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:18,665 INFO L93 Difference]: Finished difference Result 51536 states and 140476 transitions. [2022-01-18 11:22:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-18 11:22:18,665 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:18,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:18,759 INFO L225 Difference]: With dead ends: 51536 [2022-01-18 11:22:18,760 INFO L226 Difference]: Without dead ends: 51536 [2022-01-18 11:22:18,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=840, Invalid=5802, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 11:22:18,761 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2409 mSDsluCounter, 25395 mSDsCounter, 0 mSdLazyCounter, 5903 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 26098 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:18,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2409 Valid, 26098 Invalid, 5926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5903 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-18 11:22:18,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51536 states. [2022-01-18 11:22:19,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51536 to 23899. [2022-01-18 11:22:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23899 states, 23898 states have (on average 2.7547075069043436) internal successors, (65832), 23898 states have internal predecessors, (65832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23899 states to 23899 states and 65832 transitions. [2022-01-18 11:22:19,314 INFO L78 Accepts]: Start accepts. Automaton has 23899 states and 65832 transitions. Word has length 199 [2022-01-18 11:22:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:19,314 INFO L470 AbstractCegarLoop]: Abstraction has 23899 states and 65832 transitions. [2022-01-18 11:22:19,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23899 states and 65832 transitions. [2022-01-18 11:22:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:19,341 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:19,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:19,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-01-18 11:22:19,341 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:19,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:19,342 INFO L85 PathProgramCache]: Analyzing trace with hash 154950441, now seen corresponding path program 178 times [2022-01-18 11:22:19,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:19,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079990232] [2022-01-18 11:22:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:19,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:19,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:19,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079990232] [2022-01-18 11:22:19,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079990232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:19,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:19,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:19,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341325909] [2022-01-18 11:22:19,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:19,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:19,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:19,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:19,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:19,628 INFO L87 Difference]: Start difference. First operand 23899 states and 65832 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:22,893 INFO L93 Difference]: Finished difference Result 50096 states and 136931 transitions. [2022-01-18 11:22:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 11:22:22,893 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:22,983 INFO L225 Difference]: With dead ends: 50096 [2022-01-18 11:22:22,983 INFO L226 Difference]: Without dead ends: 50096 [2022-01-18 11:22:22,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=836, Invalid=5970, Unknown=0, NotChecked=0, Total=6806 [2022-01-18 11:22:22,985 INFO L933 BasicCegarLoop]: 1197 mSDtfsCounter, 2397 mSDsluCounter, 25288 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 26137 SdHoareTripleChecker+Invalid, 5621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:22,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2397 Valid, 26137 Invalid, 5621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 11:22:23,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50096 states. [2022-01-18 11:22:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 23835. [2022-01-18 11:22:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23835 states, 23834 states have (on average 2.7533775279013173) internal successors, (65624), 23834 states have internal predecessors, (65624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23835 states to 23835 states and 65624 transitions. [2022-01-18 11:22:23,505 INFO L78 Accepts]: Start accepts. Automaton has 23835 states and 65624 transitions. Word has length 199 [2022-01-18 11:22:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:23,505 INFO L470 AbstractCegarLoop]: Abstraction has 23835 states and 65624 transitions. [2022-01-18 11:22:23,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 23835 states and 65624 transitions. [2022-01-18 11:22:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:23,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:23,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:23,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-01-18 11:22:23,532 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:23,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:23,532 INFO L85 PathProgramCache]: Analyzing trace with hash 504404325, now seen corresponding path program 179 times [2022-01-18 11:22:23,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:23,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058636904] [2022-01-18 11:22:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:23,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:23,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:23,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058636904] [2022-01-18 11:22:23,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058636904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:23,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:23,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:23,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674062708] [2022-01-18 11:22:23,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:23,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:23,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:23,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:23,839 INFO L87 Difference]: Start difference. First operand 23835 states and 65624 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:26,796 INFO L93 Difference]: Finished difference Result 45537 states and 124802 transitions. [2022-01-18 11:22:26,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:22:26,797 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:26,876 INFO L225 Difference]: With dead ends: 45537 [2022-01-18 11:22:26,876 INFO L226 Difference]: Without dead ends: 45537 [2022-01-18 11:22:26,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:22:26,877 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 2107 mSDsluCounter, 23929 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 24757 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:26,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 24757 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5424 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:22:26,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45537 states. [2022-01-18 11:22:27,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45537 to 23787. [2022-01-18 11:22:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23787 states, 23786 states have (on average 2.752879845287144) internal successors, (65480), 23786 states have internal predecessors, (65480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23787 states to 23787 states and 65480 transitions. [2022-01-18 11:22:27,379 INFO L78 Accepts]: Start accepts. Automaton has 23787 states and 65480 transitions. Word has length 199 [2022-01-18 11:22:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:27,379 INFO L470 AbstractCegarLoop]: Abstraction has 23787 states and 65480 transitions. [2022-01-18 11:22:27,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23787 states and 65480 transitions. [2022-01-18 11:22:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:27,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:27,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:27,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-01-18 11:22:27,407 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:27,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:27,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1506776305, now seen corresponding path program 180 times [2022-01-18 11:22:27,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:27,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610191157] [2022-01-18 11:22:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:27,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:27,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:27,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610191157] [2022-01-18 11:22:27,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610191157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:27,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:27,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:27,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817636089] [2022-01-18 11:22:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:27,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:27,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:27,702 INFO L87 Difference]: Start difference. First operand 23787 states and 65480 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:30,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:30,667 INFO L93 Difference]: Finished difference Result 46271 states and 126496 transitions. [2022-01-18 11:22:30,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-18 11:22:30,667 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:30,744 INFO L225 Difference]: With dead ends: 46271 [2022-01-18 11:22:30,744 INFO L226 Difference]: Without dead ends: 46271 [2022-01-18 11:22:30,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550 [2022-01-18 11:22:30,745 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 2057 mSDsluCounter, 24545 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 25380 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:30,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 25380 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:22:30,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46271 states. [2022-01-18 11:22:31,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46271 to 23603. [2022-01-18 11:22:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23603 states, 23602 states have (on average 2.7527328192526057) internal successors, (64970), 23602 states have internal predecessors, (64970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23603 states to 23603 states and 64970 transitions. [2022-01-18 11:22:31,242 INFO L78 Accepts]: Start accepts. Automaton has 23603 states and 64970 transitions. Word has length 199 [2022-01-18 11:22:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:31,242 INFO L470 AbstractCegarLoop]: Abstraction has 23603 states and 64970 transitions. [2022-01-18 11:22:31,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 23603 states and 64970 transitions. [2022-01-18 11:22:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:31,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:31,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:31,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-01-18 11:22:31,270 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:31,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -250192785, now seen corresponding path program 181 times [2022-01-18 11:22:31,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:31,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838817052] [2022-01-18 11:22:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:31,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:31,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:31,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838817052] [2022-01-18 11:22:31,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838817052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:31,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:31,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:31,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917875077] [2022-01-18 11:22:31,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:31,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:31,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:31,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:31,575 INFO L87 Difference]: Start difference. First operand 23603 states and 64970 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:22:34,882 INFO L93 Difference]: Finished difference Result 51221 states and 139759 transitions. [2022-01-18 11:22:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-18 11:22:34,882 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-18 11:22:34,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:22:34,976 INFO L225 Difference]: With dead ends: 51221 [2022-01-18 11:22:34,976 INFO L226 Difference]: Without dead ends: 51221 [2022-01-18 11:22:34,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=819, Invalid=5661, Unknown=0, NotChecked=0, Total=6480 [2022-01-18 11:22:34,977 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 2566 mSDsluCounter, 24547 mSDsCounter, 0 mSdLazyCounter, 5679 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 25211 SdHoareTripleChecker+Invalid, 5702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:34,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2566 Valid, 25211 Invalid, 5702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5679 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-18 11:22:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51221 states. [2022-01-18 11:22:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51221 to 23767. [2022-01-18 11:22:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions. [2022-01-18 11:22:35,535 INFO L78 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199 [2022-01-18 11:22:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:22:35,535 INFO L470 AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions. [2022-01-18 11:22:35,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:22:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions. [2022-01-18 11:22:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-18 11:22:35,562 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:22:35,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:22:35,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-01-18 11:22:35,562 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:22:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:22:35,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2022976469, now seen corresponding path program 182 times [2022-01-18 11:22:35,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:22:35,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380845365] [2022-01-18 11:22:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:22:35,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:22:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:22:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:22:35,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:22:35,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380845365] [2022-01-18 11:22:35,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380845365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:22:35,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:22:35,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-18 11:22:35,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7541687] [2022-01-18 11:22:35,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:22:35,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 11:22:35,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:22:35,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 11:22:35,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-18 11:22:35,863 INFO L87 Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2022-01-18 11:22:38,770 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 11:22:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 11:22:38,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852 [2022-01-18 11:22:38,773 INFO L933 BasicCegarLoop]: 1004 mSDtfsCounter, 1692 mSDsluCounter, 20849 mSDsCounter, 0 mSdLazyCounter, 5048 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 21688 SdHoareTripleChecker+Invalid, 5067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:22:38,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 21688 Invalid, 5067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5048 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-18 11:22:38,773 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 11:22:38,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-01-18 11:22:38,774 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (23767states) and FLOYD_HOARE automaton (currently 56 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 77 known predicates. [2022-01-18 11:22:38,775 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 11:22:38,775 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 11:22:38,777 INFO L732 BasicCegarLoop]: Path program histogram: [182, 10, 10, 2, 1, 1] [2022-01-18 11:22:38,778 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 11:22:38,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 11:22:38,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:22:38 BasicIcfg [2022-01-18 11:22:38,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 11:22:38,780 INFO L158 Benchmark]: Toolchain (without parser) took 715373.47ms. Allocated memory was 364.9MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 308.9MB in the beginning and 4.3GB in the end (delta: -4.0GB). Peak memory consumption was 7.7GB. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 364.9MB. Free memory was 325.4MB in the beginning and 325.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.49ms. Allocated memory is still 364.9MB. Free memory was 308.7MB in the beginning and 333.9MB in the end (delta: -25.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.17ms. Allocated memory is still 364.9MB. Free memory was 333.9MB in the beginning and 331.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 364.9MB. Free memory was 331.9MB in the beginning and 330.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: RCFGBuilder took 412.00ms. Allocated memory is still 364.9MB. Free memory was 330.8MB in the beginning and 311.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 11:22:38,780 INFO L158 Benchmark]: TraceAbstraction took 714666.36ms. Allocated memory was 364.9MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 311.9MB in the beginning and 4.3GB in the end (delta: -4.0GB). Peak memory consumption was 7.7GB. Max. memory is 16.0GB. [2022-01-18 11:22:38,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 364.9MB. Free memory was 325.4MB in the beginning and 325.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 221.49ms. Allocated memory is still 364.9MB. Free memory was 308.7MB in the beginning and 333.9MB in the end (delta: -25.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.17ms. Allocated memory is still 364.9MB. Free memory was 333.9MB in the beginning and 331.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.34ms. Allocated memory is still 364.9MB. Free memory was 331.9MB in the beginning and 330.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 412.00ms. Allocated memory is still 364.9MB. Free memory was 330.8MB in the beginning and 311.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 714666.36ms. Allocated memory was 364.9MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 311.9MB in the beginning and 4.3GB in the end (delta: -4.0GB). Peak memory consumption was 7.7GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (23767states) and FLOYD_HOARE automaton (currently 56 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 77 known predicates. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (23767states) and FLOYD_HOARE automaton (currently 56 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 77 known predicates. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (23767states) and FLOYD_HOARE automaton (currently 56 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 77 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 380 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 714.4s, OverallIterations: 206, TraceHistogramMax: 1, PathProgramHistogramMax: 182, EmptinessCheckTime: 6.4s, AutomataDifference: 542.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 358936 SdHoareTripleChecker+Valid, 296.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358936 mSDsluCounter, 4262839 SdHoareTripleChecker+Invalid, 246.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4121344 mSDsCounter, 3762 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894549 IncrementalHoareTripleChecker+Invalid, 898311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3762 mSolverCounterUnsat, 198173 mSDtfsCounter, 894549 mSolverCounterSat, 6.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14516 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 13931 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199641 ImplicationChecksByTransitivity, 220.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26367occurred in iteration=2, InterpolantAutomatonStates: 10440, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 102.6s AutomataMinimizationTime, 205 MinimizatonAttempts, 3101549 StatesRemovedByMinimization, 204 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 58.8s InterpolantComputationTime, 40850 NumberOfCodeBlocks, 40850 NumberOfCodeBlocksAsserted, 206 NumberOfCheckSat, 40644 ConstructedInterpolants, 0 QuantifiedInterpolants, 206268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 206 InterpolantComputations, 206 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown