/usr/bin/java -Xmx8000000000 -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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 12:54:49,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 12:54:49,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 12:54:49,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 12:54:49,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 12:54:49,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 12:54:49,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 12:54:49,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 12:54:49,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 12:54:49,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 12:54:49,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 12:54:49,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 12:54:49,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 12:54:49,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 12:54:49,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 12:54:49,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 12:54:49,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 12:54:49,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 12:54:49,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 12:54:49,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 12:54:49,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 12:54:49,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 12:54:49,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 12:54:49,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 12:54:49,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 12:54:49,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 12:54:49,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 12:54:49,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 12:54:49,267 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.epf [2022-01-28 12:54:49,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 12:54:49,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 12:54:49,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 12:54:49,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 12:54:49,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 12:54:49,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 12:54:49,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 12:54:49,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 12:54:49,286 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 12:54:49,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 12:54:49,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 12:54:49,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 12:54:49,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:54:49,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 12:54:49,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 12:54:49,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 12:54:49,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 12:54:49,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 12:54:49,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 12:54:49,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 12:54:49,495 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 12:54:49,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2022-01-28 12:54:49,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb94316/ec838471f1ee4751ac45f62767461bed/FLAG0f5da34bd [2022-01-28 12:54:50,088 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 12:54:50,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2022-01-28 12:54:50,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb94316/ec838471f1ee4751ac45f62767461bed/FLAG0f5da34bd [2022-01-28 12:54:50,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87bb94316/ec838471f1ee4751ac45f62767461bed [2022-01-28 12:54:50,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 12:54:50,549 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 12:54:50,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 12:54:50,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 12:54:50,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 12:54:50,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e28d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50, skipping insertion in model container [2022-01-28 12:54:50,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 12:54:50,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 12:54:50,854 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-node-symm.wvr.c[3305,3318] [2022-01-28 12:54:50,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:54:50,886 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 12:54:50,917 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-node-symm.wvr.c[3305,3318] [2022-01-28 12:54:50,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:54:50,936 INFO L208 MainTranslator]: Completed translation [2022-01-28 12:54:50,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50 WrapperNode [2022-01-28 12:54:50,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 12:54:50,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 12:54:50,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 12:54:50,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 12:54:50,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,987 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 314 [2022-01-28 12:54:50,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 12:54:50,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 12:54:50,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 12:54:50,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 12:54:50,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:50,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:51,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:51,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:51,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:51,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 12:54:51,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 12:54:51,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 12:54:51,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 12:54:51,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (1/1) ... [2022-01-28 12:54:51,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:54:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 12:54:51,055 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) [2022-01-28 12:54:51,068 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 [2022-01-28 12:54:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 12:54:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 12:54:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 12:54:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 12:54:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 12:54:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 12:54:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 12:54:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 12:54:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 12:54:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-28 12:54:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 12:54:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 12:54:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 12:54:51,102 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 12:54:51,171 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 12:54:51,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 12:54:51,558 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 12:54:51,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 12:54:51,579 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-28 12:54:51,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:54:51 BoogieIcfgContainer [2022-01-28 12:54:51,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 12:54:51,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 12:54:51,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 12:54:51,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 12:54:51,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:54:50" (1/3) ... [2022-01-28 12:54:51,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1116113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:54:51, skipping insertion in model container [2022-01-28 12:54:51,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:54:50" (2/3) ... [2022-01-28 12:54:51,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1116113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:54:51, skipping insertion in model container [2022-01-28 12:54:51,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:54:51" (3/3) ... [2022-01-28 12:54:51,587 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2022-01-28 12:54:51,590 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 12:54:51,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 12:54:51,591 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 12:54:51,591 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 12:54:51,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,687 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,688 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,688 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,688 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:54:51,695 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 12:54:51,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 12:54:51,744 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 [2022-01-28 12:54:51,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 12:54:51,770 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 385 places, 414 transitions, 844 flow [2022-01-28 12:54:52,149 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14694 states, 14693 states have (on average 2.8599333015721773) internal successors, (42021), 14693 states have internal predecessors, (42021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 14694 states, 14693 states have (on average 2.8599333015721773) internal successors, (42021), 14693 states have internal predecessors, (42021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-01-28 12:54:52,320 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:52,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:52,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash -670772536, now seen corresponding path program 1 times [2022-01-28 12:54:52,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:52,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794366313] [2022-01-28 12:54:52,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:52,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:52,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:52,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794366313] [2022-01-28 12:54:52,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794366313] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:52,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:52,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 12:54:52,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589024500] [2022-01-28 12:54:52,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:52,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 12:54:52,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:52,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 12:54:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 12:54:52,826 INFO L87 Difference]: Start difference. First operand has 14694 states, 14693 states have (on average 2.8599333015721773) internal successors, (42021), 14693 states have internal predecessors, (42021), 0 states have call successors, (0), 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 2 states, 2 states have (on average 129.5) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:53,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:53,012 INFO L93 Difference]: Finished difference Result 14694 states and 41043 transitions. [2022-01-28 12:54:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 12:54:53,014 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 129.5) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 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 259 [2022-01-28 12:54:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:53,092 INFO L225 Difference]: With dead ends: 14694 [2022-01-28 12:54:53,092 INFO L226 Difference]: Without dead ends: 13736 [2022-01-28 12:54:53,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 12:54:53,097 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:53,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:54:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13736 states. [2022-01-28 12:54:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13736 to 13736. [2022-01-28 12:54:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13736 states, 13735 states have (on average 2.795413178012377) internal successors, (38395), 13735 states have internal predecessors, (38395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 38395 transitions. [2022-01-28 12:54:53,685 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 38395 transitions. Word has length 259 [2022-01-28 12:54:53,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:53,687 INFO L470 AbstractCegarLoop]: Abstraction has 13736 states and 38395 transitions. [2022-01-28 12:54:53,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 129.5) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 38395 transitions. [2022-01-28 12:54:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-01-28 12:54:53,722 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:53,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:53,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 12:54:53,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:53,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:53,725 INFO L85 PathProgramCache]: Analyzing trace with hash 173473607, now seen corresponding path program 1 times [2022-01-28 12:54:53,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:53,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436474110] [2022-01-28 12:54:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:53,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:53,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436474110] [2022-01-28 12:54:53,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436474110] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:53,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:53,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:54:53,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476817112] [2022-01-28 12:54:53,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:53,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:54:53,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:53,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:54:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:53,881 INFO L87 Difference]: Start difference. First operand 13736 states and 38395 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:54,097 INFO L93 Difference]: Finished difference Result 14891 states and 41620 transitions. [2022-01-28 12:54:54,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:54:54,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 259 [2022-01-28 12:54:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:54,165 INFO L225 Difference]: With dead ends: 14891 [2022-01-28 12:54:54,165 INFO L226 Difference]: Without dead ends: 14891 [2022-01-28 12:54:54,169 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 [2022-01-28 12:54:54,170 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 93 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:54,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 762 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14891 states. [2022-01-28 12:54:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14891 to 13967. [2022-01-28 12:54:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13967 states, 13966 states have (on average 2.7953601603895173) internal successors, (39040), 13966 states have internal predecessors, (39040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13967 states to 13967 states and 39040 transitions. [2022-01-28 12:54:54,617 INFO L78 Accepts]: Start accepts. Automaton has 13967 states and 39040 transitions. Word has length 259 [2022-01-28 12:54:54,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:54,620 INFO L470 AbstractCegarLoop]: Abstraction has 13967 states and 39040 transitions. [2022-01-28 12:54:54,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 13967 states and 39040 transitions. [2022-01-28 12:54:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-01-28 12:54:54,654 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:54,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:54,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 12:54:54,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:54,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:54,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1506369353, now seen corresponding path program 1 times [2022-01-28 12:54:54,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:54,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851000185] [2022-01-28 12:54:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:54,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:54,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:54,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851000185] [2022-01-28 12:54:54,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851000185] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:54,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:54,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:54:54,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658338576] [2022-01-28 12:54:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:54,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:54:54,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:54,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:54:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:54,753 INFO L87 Difference]: Start difference. First operand 13967 states and 39040 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:54,980 INFO L93 Difference]: Finished difference Result 15157 states and 42350 transitions. [2022-01-28 12:54:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:54:54,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 261 [2022-01-28 12:54:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:55,035 INFO L225 Difference]: With dead ends: 15157 [2022-01-28 12:54:55,036 INFO L226 Difference]: Without dead ends: 15157 [2022-01-28 12:54:55,036 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 [2022-01-28 12:54:55,042 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 66 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:55,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 765 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:54:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15157 states. [2022-01-28 12:54:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15157 to 14205. [2022-01-28 12:54:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14205 states, 14204 states have (on average 2.795128132920304) internal successors, (39702), 14204 states have internal predecessors, (39702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14205 states to 14205 states and 39702 transitions. [2022-01-28 12:54:55,472 INFO L78 Accepts]: Start accepts. Automaton has 14205 states and 39702 transitions. Word has length 261 [2022-01-28 12:54:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:55,472 INFO L470 AbstractCegarLoop]: Abstraction has 14205 states and 39702 transitions. [2022-01-28 12:54:55,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 14205 states and 39702 transitions. [2022-01-28 12:54:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:54:55,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:55,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:55,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 12:54:55,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:55,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:55,505 INFO L85 PathProgramCache]: Analyzing trace with hash -143658131, now seen corresponding path program 1 times [2022-01-28 12:54:55,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:55,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539295360] [2022-01-28 12:54:55,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:55,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:56,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:56,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539295360] [2022-01-28 12:54:56,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539295360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:56,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:56,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:54:56,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940744220] [2022-01-28 12:54:56,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:56,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:54:56,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:56,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:54:56,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:54:56,152 INFO L87 Difference]: Start difference. First operand 14205 states and 39702 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:58,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:58,411 INFO L93 Difference]: Finished difference Result 35879 states and 99801 transitions. [2022-01-28 12:54:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 12:54:58,412 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:54:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:58,649 INFO L225 Difference]: With dead ends: 35879 [2022-01-28 12:54:58,649 INFO L226 Difference]: Without dead ends: 35879 [2022-01-28 12:54:58,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=889, Invalid=3271, Unknown=0, NotChecked=0, Total=4160 [2022-01-28 12:54:58,651 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 4149 mSDsluCounter, 10367 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 11113 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:58,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4149 Valid, 11113 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 12:54:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35879 states. [2022-01-28 12:54:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35879 to 16237. [2022-01-28 12:54:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16237 states, 16236 states have (on average 2.814671101256467) internal successors, (45699), 16236 states have internal predecessors, (45699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16237 states to 16237 states and 45699 transitions. [2022-01-28 12:54:59,260 INFO L78 Accepts]: Start accepts. Automaton has 16237 states and 45699 transitions. Word has length 263 [2022-01-28 12:54:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:59,261 INFO L470 AbstractCegarLoop]: Abstraction has 16237 states and 45699 transitions. [2022-01-28 12:54:59,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 16237 states and 45699 transitions. [2022-01-28 12:54:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:54:59,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:59,297 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:59,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 12:54:59,298 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:59,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash 808311701, now seen corresponding path program 2 times [2022-01-28 12:54:59,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:59,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810988723] [2022-01-28 12:54:59,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:59,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:59,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:59,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810988723] [2022-01-28 12:54:59,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810988723] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:59,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:59,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:54:59,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793086900] [2022-01-28 12:54:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:59,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:54:59,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:54:59,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:54:59,784 INFO L87 Difference]: Start difference. First operand 16237 states and 45699 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:02,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:02,185 INFO L93 Difference]: Finished difference Result 36965 states and 103018 transitions. [2022-01-28 12:55:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 12:55:02,186 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:02,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:02,281 INFO L225 Difference]: With dead ends: 36965 [2022-01-28 12:55:02,281 INFO L226 Difference]: Without dead ends: 36965 [2022-01-28 12:55:02,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=923, Invalid=3499, Unknown=0, NotChecked=0, Total=4422 [2022-01-28 12:55:02,282 INFO L933 BasicCegarLoop]: 936 mSDtfsCounter, 4344 mSDsluCounter, 10833 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 11637 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:02,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4344 Valid, 11637 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 12:55:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36965 states. [2022-01-28 12:55:03,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36965 to 17380. [2022-01-28 12:55:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17380 states, 17379 states have (on average 2.81972495540595) internal successors, (49004), 17379 states have internal predecessors, (49004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17380 states to 17380 states and 49004 transitions. [2022-01-28 12:55:03,190 INFO L78 Accepts]: Start accepts. Automaton has 17380 states and 49004 transitions. Word has length 263 [2022-01-28 12:55:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:03,192 INFO L470 AbstractCegarLoop]: Abstraction has 17380 states and 49004 transitions. [2022-01-28 12:55:03,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 17380 states and 49004 transitions. [2022-01-28 12:55:03,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:03,319 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:03,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:03,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 12:55:03,319 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:03,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1668153289, now seen corresponding path program 3 times [2022-01-28 12:55:03,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:03,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814925986] [2022-01-28 12:55:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:03,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:03,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:03,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814925986] [2022-01-28 12:55:03,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814925986] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:03,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:03,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:03,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562804197] [2022-01-28 12:55:03,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:03,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:03,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:03,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:03,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:03,950 INFO L87 Difference]: Start difference. First operand 17380 states and 49004 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:05,929 INFO L93 Difference]: Finished difference Result 37532 states and 104647 transitions. [2022-01-28 12:55:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:55:05,935 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:05,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:06,123 INFO L225 Difference]: With dead ends: 37532 [2022-01-28 12:55:06,123 INFO L226 Difference]: Without dead ends: 37532 [2022-01-28 12:55:06,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=826, Invalid=3206, Unknown=0, NotChecked=0, Total=4032 [2022-01-28 12:55:06,139 INFO L933 BasicCegarLoop]: 903 mSDtfsCounter, 3398 mSDsluCounter, 10604 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 11381 SdHoareTripleChecker+Invalid, 2035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:06,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3398 Valid, 11381 Invalid, 2035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 12:55:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37532 states. [2022-01-28 12:55:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37532 to 17443. [2022-01-28 12:55:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17443 states, 17442 states have (on average 2.8191147804150902) internal successors, (49171), 17442 states have internal predecessors, (49171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17443 states to 17443 states and 49171 transitions. [2022-01-28 12:55:06,864 INFO L78 Accepts]: Start accepts. Automaton has 17443 states and 49171 transitions. Word has length 263 [2022-01-28 12:55:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:06,864 INFO L470 AbstractCegarLoop]: Abstraction has 17443 states and 49171 transitions. [2022-01-28 12:55:06,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 17443 states and 49171 transitions. [2022-01-28 12:55:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:06,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:06,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:06,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 12:55:06,892 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:06,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1822535429, now seen corresponding path program 4 times [2022-01-28 12:55:06,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:06,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658954369] [2022-01-28 12:55:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:06,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:07,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:07,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658954369] [2022-01-28 12:55:07,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658954369] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:07,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:07,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:07,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998137564] [2022-01-28 12:55:07,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:07,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:07,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:07,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:07,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:07,290 INFO L87 Difference]: Start difference. First operand 17443 states and 49171 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:09,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:09,073 INFO L93 Difference]: Finished difference Result 41425 states and 114766 transitions. [2022-01-28 12:55:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 12:55:09,074 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:09,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:09,296 INFO L225 Difference]: With dead ends: 41425 [2022-01-28 12:55:09,296 INFO L226 Difference]: Without dead ends: 41425 [2022-01-28 12:55:09,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=857, Invalid=3303, Unknown=0, NotChecked=0, Total=4160 [2022-01-28 12:55:09,310 INFO L933 BasicCegarLoop]: 918 mSDtfsCounter, 3970 mSDsluCounter, 10661 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3970 SdHoareTripleChecker+Valid, 11448 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:09,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3970 Valid, 11448 Invalid, 2001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:55:09,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41425 states. [2022-01-28 12:55:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41425 to 17569. [2022-01-28 12:55:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 17568 states have (on average 2.817907559198543) internal successors, (49505), 17568 states have internal predecessors, (49505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 49505 transitions. [2022-01-28 12:55:10,076 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 49505 transitions. Word has length 263 [2022-01-28 12:55:10,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:10,078 INFO L470 AbstractCegarLoop]: Abstraction has 17569 states and 49505 transitions. [2022-01-28 12:55:10,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 49505 transitions. [2022-01-28 12:55:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:10,161 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:10,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:10,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 12:55:10,162 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:10,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1735274983, now seen corresponding path program 5 times [2022-01-28 12:55:10,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:10,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760371069] [2022-01-28 12:55:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:10,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:10,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:10,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760371069] [2022-01-28 12:55:10,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760371069] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:10,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:10,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:10,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044982644] [2022-01-28 12:55:10,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:10,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:10,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:10,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:10,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:10,778 INFO L87 Difference]: Start difference. First operand 17569 states and 49505 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:12,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:12,417 INFO L93 Difference]: Finished difference Result 24959 states and 69366 transitions. [2022-01-28 12:55:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 12:55:12,432 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:12,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:12,533 INFO L225 Difference]: With dead ends: 24959 [2022-01-28 12:55:12,534 INFO L226 Difference]: Without dead ends: 24959 [2022-01-28 12:55:12,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=700, Invalid=2840, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 12:55:12,535 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 2758 mSDsluCounter, 10544 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 11293 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:12,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2758 Valid, 11293 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:55:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24959 states. [2022-01-28 12:55:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24959 to 17632. [2022-01-28 12:55:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17632 states, 17631 states have (on average 2.8173104191480913) internal successors, (49672), 17631 states have internal predecessors, (49672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17632 states to 17632 states and 49672 transitions. [2022-01-28 12:55:13,150 INFO L78 Accepts]: Start accepts. Automaton has 17632 states and 49672 transitions. Word has length 263 [2022-01-28 12:55:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:13,150 INFO L470 AbstractCegarLoop]: Abstraction has 17632 states and 49672 transitions. [2022-01-28 12:55:13,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17632 states and 49672 transitions. [2022-01-28 12:55:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:13,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:13,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:13,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 12:55:13,179 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:13,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:13,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1067695819, now seen corresponding path program 6 times [2022-01-28 12:55:13,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:13,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793672582] [2022-01-28 12:55:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:13,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:13,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:13,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793672582] [2022-01-28 12:55:13,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793672582] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:13,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:13,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:13,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765488938] [2022-01-28 12:55:13,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:13,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:13,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:13,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:13,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:13,654 INFO L87 Difference]: Start difference. First operand 17632 states and 49672 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:15,565 INFO L93 Difference]: Finished difference Result 28882 states and 79727 transitions. [2022-01-28 12:55:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 12:55:15,565 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:15,629 INFO L225 Difference]: With dead ends: 28882 [2022-01-28 12:55:15,629 INFO L226 Difference]: Without dead ends: 28882 [2022-01-28 12:55:15,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=711, Invalid=2829, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 12:55:15,632 INFO L933 BasicCegarLoop]: 913 mSDtfsCounter, 3328 mSDsluCounter, 10412 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 11183 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:15,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3328 Valid, 11183 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 12:55:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28882 states. [2022-01-28 12:55:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28882 to 18531. [2022-01-28 12:55:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18531 states, 18530 states have (on average 2.8127361036157583) internal successors, (52120), 18530 states have internal predecessors, (52120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18531 states to 18531 states and 52120 transitions. [2022-01-28 12:55:16,427 INFO L78 Accepts]: Start accepts. Automaton has 18531 states and 52120 transitions. Word has length 263 [2022-01-28 12:55:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:16,428 INFO L470 AbstractCegarLoop]: Abstraction has 18531 states and 52120 transitions. [2022-01-28 12:55:16,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 18531 states and 52120 transitions. [2022-01-28 12:55:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:16,457 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:16,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:16,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 12:55:16,469 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:16,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:16,470 INFO L85 PathProgramCache]: Analyzing trace with hash 6835089, now seen corresponding path program 7 times [2022-01-28 12:55:16,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:16,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463335479] [2022-01-28 12:55:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:16,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:17,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:17,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463335479] [2022-01-28 12:55:17,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463335479] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:17,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:17,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:17,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993781098] [2022-01-28 12:55:17,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:17,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:17,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:17,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:17,250 INFO L87 Difference]: Start difference. First operand 18531 states and 52120 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:19,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:19,214 INFO L93 Difference]: Finished difference Result 39610 states and 110666 transitions. [2022-01-28 12:55:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-28 12:55:19,215 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:19,373 INFO L225 Difference]: With dead ends: 39610 [2022-01-28 12:55:19,373 INFO L226 Difference]: Without dead ends: 39610 [2022-01-28 12:55:19,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=648, Invalid=2658, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 12:55:19,374 INFO L933 BasicCegarLoop]: 816 mSDtfsCounter, 3043 mSDsluCounter, 10846 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 11520 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:19,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 11520 Invalid, 2224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 12:55:19,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39610 states. [2022-01-28 12:55:19,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39610 to 20094. [2022-01-28 12:55:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20094 states, 20093 states have (on average 2.8357636988005774) internal successors, (56979), 20093 states have internal predecessors, (56979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20094 states to 20094 states and 56979 transitions. [2022-01-28 12:55:19,902 INFO L78 Accepts]: Start accepts. Automaton has 20094 states and 56979 transitions. Word has length 263 [2022-01-28 12:55:19,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:19,903 INFO L470 AbstractCegarLoop]: Abstraction has 20094 states and 56979 transitions. [2022-01-28 12:55:19,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20094 states and 56979 transitions. [2022-01-28 12:55:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:19,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:19,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:19,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 12:55:19,934 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:19,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:19,935 INFO L85 PathProgramCache]: Analyzing trace with hash 958804921, now seen corresponding path program 8 times [2022-01-28 12:55:19,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:19,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149751333] [2022-01-28 12:55:19,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:19,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:20,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:20,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149751333] [2022-01-28 12:55:20,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149751333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:20,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:20,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:20,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239920700] [2022-01-28 12:55:20,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:20,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:20,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:20,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:20,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:20,412 INFO L87 Difference]: Start difference. First operand 20094 states and 56979 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:22,393 INFO L93 Difference]: Finished difference Result 41734 states and 116995 transitions. [2022-01-28 12:55:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:55:22,394 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:22,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:22,486 INFO L225 Difference]: With dead ends: 41734 [2022-01-28 12:55:22,486 INFO L226 Difference]: Without dead ends: 41734 [2022-01-28 12:55:22,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=748, Invalid=3034, Unknown=0, NotChecked=0, Total=3782 [2022-01-28 12:55:22,488 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 3040 mSDsluCounter, 11463 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 12226 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:22,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3040 Valid, 12226 Invalid, 2253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2218 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 12:55:22,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41734 states. [2022-01-28 12:55:23,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41734 to 21594. [2022-01-28 12:55:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21594 states, 21593 states have (on average 2.844625573102394) internal successors, (61424), 21593 states have internal predecessors, (61424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21594 states to 21594 states and 61424 transitions. [2022-01-28 12:55:23,381 INFO L78 Accepts]: Start accepts. Automaton has 21594 states and 61424 transitions. Word has length 263 [2022-01-28 12:55:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:23,381 INFO L470 AbstractCegarLoop]: Abstraction has 21594 states and 61424 transitions. [2022-01-28 12:55:23,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 21594 states and 61424 transitions. [2022-01-28 12:55:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:23,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:23,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:23,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 12:55:23,427 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2051743033, now seen corresponding path program 9 times [2022-01-28 12:55:23,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:23,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577785754] [2022-01-28 12:55:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:23,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:23,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:23,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577785754] [2022-01-28 12:55:23,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577785754] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:23,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:23,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:23,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997440305] [2022-01-28 12:55:23,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:23,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:23,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:23,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:23,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:23,883 INFO L87 Difference]: Start difference. First operand 21594 states and 61424 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:25,379 INFO L93 Difference]: Finished difference Result 28162 states and 79262 transitions. [2022-01-28 12:55:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 12:55:25,379 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:25,448 INFO L225 Difference]: With dead ends: 28162 [2022-01-28 12:55:25,448 INFO L226 Difference]: Without dead ends: 28162 [2022-01-28 12:55:25,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=609, Invalid=2583, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 12:55:25,449 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 2585 mSDsluCounter, 9616 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 10245 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:25,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2585 Valid, 10245 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:55:25,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28162 states. [2022-01-28 12:55:25,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28162 to 21594. [2022-01-28 12:55:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21594 states, 21593 states have (on average 2.844625573102394) internal successors, (61424), 21593 states have internal predecessors, (61424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21594 states to 21594 states and 61424 transitions. [2022-01-28 12:55:25,960 INFO L78 Accepts]: Start accepts. Automaton has 21594 states and 61424 transitions. Word has length 263 [2022-01-28 12:55:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:25,961 INFO L470 AbstractCegarLoop]: Abstraction has 21594 states and 61424 transitions. [2022-01-28 12:55:25,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21594 states and 61424 transitions. [2022-01-28 12:55:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:26,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:26,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:26,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-28 12:55:26,011 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 730362641, now seen corresponding path program 10 times [2022-01-28 12:55:26,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:26,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747951240] [2022-01-28 12:55:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:26,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:26,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:26,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747951240] [2022-01-28 12:55:26,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747951240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:26,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:26,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:26,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635126847] [2022-01-28 12:55:26,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:26,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:26,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:26,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:26,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:26,336 INFO L87 Difference]: Start difference. First operand 21594 states and 61424 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:27,740 INFO L93 Difference]: Finished difference Result 43284 states and 121793 transitions. [2022-01-28 12:55:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-28 12:55:27,745 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:27,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:27,839 INFO L225 Difference]: With dead ends: 43284 [2022-01-28 12:55:27,840 INFO L226 Difference]: Without dead ends: 43284 [2022-01-28 12:55:27,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 12:55:27,841 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 3349 mSDsluCounter, 9410 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 10051 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:27,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3349 Valid, 10051 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:55:27,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43284 states. [2022-01-28 12:55:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43284 to 21954. [2022-01-28 12:55:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21954 states, 21953 states have (on average 2.8569216052475745) internal successors, (62718), 21953 states have internal predecessors, (62718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21954 states to 21954 states and 62718 transitions. [2022-01-28 12:55:28,814 INFO L78 Accepts]: Start accepts. Automaton has 21954 states and 62718 transitions. Word has length 263 [2022-01-28 12:55:28,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:28,815 INFO L470 AbstractCegarLoop]: Abstraction has 21954 states and 62718 transitions. [2022-01-28 12:55:28,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21954 states and 62718 transitions. [2022-01-28 12:55:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:28,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:28,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:28,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-28 12:55:28,852 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:28,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1682332473, now seen corresponding path program 11 times [2022-01-28 12:55:28,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:28,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290479904] [2022-01-28 12:55:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:28,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:29,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:29,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290479904] [2022-01-28 12:55:29,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290479904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:29,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:29,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:29,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833197302] [2022-01-28 12:55:29,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:29,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:29,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:29,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:29,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:29,256 INFO L87 Difference]: Start difference. First operand 21954 states and 62718 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:30,911 INFO L93 Difference]: Finished difference Result 42917 states and 120911 transitions. [2022-01-28 12:55:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 12:55:30,911 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:31,009 INFO L225 Difference]: With dead ends: 42917 [2022-01-28 12:55:31,010 INFO L226 Difference]: Without dead ends: 42917 [2022-01-28 12:55:31,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=707, Invalid=2833, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 12:55:31,011 INFO L933 BasicCegarLoop]: 780 mSDtfsCounter, 3091 mSDsluCounter, 9796 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 10491 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:31,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3091 Valid, 10491 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:55:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42917 states. [2022-01-28 12:55:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42917 to 22118. [2022-01-28 12:55:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22118 states, 22117 states have (on average 2.857033051498847) internal successors, (63189), 22117 states have internal predecessors, (63189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22118 states to 22118 states and 63189 transitions. [2022-01-28 12:55:31,859 INFO L78 Accepts]: Start accepts. Automaton has 22118 states and 63189 transitions. Word has length 263 [2022-01-28 12:55:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:31,859 INFO L470 AbstractCegarLoop]: Abstraction has 22118 states and 63189 transitions. [2022-01-28 12:55:31,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22118 states and 63189 transitions. [2022-01-28 12:55:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:31,915 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:31,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:31,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-28 12:55:31,915 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:31,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:31,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1027824503, now seen corresponding path program 12 times [2022-01-28 12:55:31,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:31,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121533709] [2022-01-28 12:55:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:31,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:32,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:32,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121533709] [2022-01-28 12:55:32,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121533709] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:32,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:32,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:32,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796677330] [2022-01-28 12:55:32,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:32,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:32,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:32,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:32,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:32,378 INFO L87 Difference]: Start difference. First operand 22118 states and 63189 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:33,721 INFO L93 Difference]: Finished difference Result 29495 states and 83326 transitions. [2022-01-28 12:55:33,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-28 12:55:33,721 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:33,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:33,783 INFO L225 Difference]: With dead ends: 29495 [2022-01-28 12:55:33,783 INFO L226 Difference]: Without dead ends: 29495 [2022-01-28 12:55:33,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=504, Invalid=2148, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 12:55:33,786 INFO L933 BasicCegarLoop]: 655 mSDtfsCounter, 2430 mSDsluCounter, 9036 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 9582 SdHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:33,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2430 Valid, 9582 Invalid, 1717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:55:33,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29495 states. [2022-01-28 12:55:34,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29495 to 22238. [2022-01-28 12:55:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22237 states have (on average 2.8560956963619195) internal successors, (63511), 22237 states have internal predecessors, (63511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63511 transitions. [2022-01-28 12:55:34,304 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63511 transitions. Word has length 263 [2022-01-28 12:55:34,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:34,307 INFO L470 AbstractCegarLoop]: Abstraction has 22238 states and 63511 transitions. [2022-01-28 12:55:34,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63511 transitions. [2022-01-28 12:55:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:34,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:34,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:34,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-28 12:55:34,342 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash 476517939, now seen corresponding path program 13 times [2022-01-28 12:55:34,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:34,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998341352] [2022-01-28 12:55:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:34,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:34,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:34,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998341352] [2022-01-28 12:55:34,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998341352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:34,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:34,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:34,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052663622] [2022-01-28 12:55:34,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:34,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:34,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:34,730 INFO L87 Difference]: Start difference. First operand 22238 states and 63511 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:36,817 INFO L93 Difference]: Finished difference Result 59352 states and 166807 transitions. [2022-01-28 12:55:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:55:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:36,989 INFO L225 Difference]: With dead ends: 59352 [2022-01-28 12:55:36,989 INFO L226 Difference]: Without dead ends: 59352 [2022-01-28 12:55:36,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=746, Invalid=2914, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:55:36,997 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3483 mSDsluCounter, 11649 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 12454 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:36,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3483 Valid, 12454 Invalid, 2414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 12:55:37,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59352 states. [2022-01-28 12:55:37,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59352 to 22876. [2022-01-28 12:55:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22876 states, 22875 states have (on average 2.8678032786885246) internal successors, (65601), 22875 states have internal predecessors, (65601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22876 states to 22876 states and 65601 transitions. [2022-01-28 12:55:37,809 INFO L78 Accepts]: Start accepts. Automaton has 22876 states and 65601 transitions. Word has length 263 [2022-01-28 12:55:37,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:37,810 INFO L470 AbstractCegarLoop]: Abstraction has 22876 states and 65601 transitions. [2022-01-28 12:55:37,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 22876 states and 65601 transitions. [2022-01-28 12:55:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:37,849 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:37,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:37,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-28 12:55:37,849 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1428487771, now seen corresponding path program 14 times [2022-01-28 12:55:37,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:37,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006412061] [2022-01-28 12:55:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:37,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:38,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:38,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006412061] [2022-01-28 12:55:38,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006412061] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:38,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:38,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:38,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623581422] [2022-01-28 12:55:38,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:38,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:38,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:38,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:38,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:38,293 INFO L87 Difference]: Start difference. First operand 22876 states and 65601 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:40,825 INFO L93 Difference]: Finished difference Result 60858 states and 171381 transitions. [2022-01-28 12:55:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 12:55:40,825 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:40,971 INFO L225 Difference]: With dead ends: 60858 [2022-01-28 12:55:40,972 INFO L226 Difference]: Without dead ends: 60858 [2022-01-28 12:55:40,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=878, Invalid=3412, Unknown=0, NotChecked=0, Total=4290 [2022-01-28 12:55:40,973 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 3603 mSDsluCounter, 12286 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3603 SdHoareTripleChecker+Valid, 13203 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:40,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3603 Valid, 13203 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 12:55:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60858 states. [2022-01-28 12:55:41,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60858 to 22484. [2022-01-28 12:55:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22484 states, 22483 states have (on average 2.8563358982342213) internal successors, (64219), 22483 states have internal predecessors, (64219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22484 states to 22484 states and 64219 transitions. [2022-01-28 12:55:41,815 INFO L78 Accepts]: Start accepts. Automaton has 22484 states and 64219 transitions. Word has length 263 [2022-01-28 12:55:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:41,815 INFO L470 AbstractCegarLoop]: Abstraction has 22484 states and 64219 transitions. [2022-01-28 12:55:41,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22484 states and 64219 transitions. [2022-01-28 12:55:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:41,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:41,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:41,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-28 12:55:41,856 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1582060183, now seen corresponding path program 15 times [2022-01-28 12:55:41,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:41,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177358696] [2022-01-28 12:55:41,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:41,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:42,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:42,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177358696] [2022-01-28 12:55:42,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177358696] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:42,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:42,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:42,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143487959] [2022-01-28 12:55:42,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:42,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:42,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:42,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:42,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:42,552 INFO L87 Difference]: Start difference. First operand 22484 states and 64219 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:44,413 INFO L93 Difference]: Finished difference Result 44700 states and 125693 transitions. [2022-01-28 12:55:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:55:44,424 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:44,526 INFO L225 Difference]: With dead ends: 44700 [2022-01-28 12:55:44,526 INFO L226 Difference]: Without dead ends: 44700 [2022-01-28 12:55:44,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=725, Invalid=2935, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:55:44,529 INFO L933 BasicCegarLoop]: 905 mSDtfsCounter, 3154 mSDsluCounter, 10824 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 11607 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:44,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3154 Valid, 11607 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 12:55:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44700 states. [2022-01-28 12:55:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44700 to 22452. [2022-01-28 12:55:45,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22452 states, 22451 states have (on average 2.855952964233219) internal successors, (64119), 22451 states have internal predecessors, (64119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22452 states to 22452 states and 64119 transitions. [2022-01-28 12:55:45,206 INFO L78 Accepts]: Start accepts. Automaton has 22452 states and 64119 transitions. Word has length 263 [2022-01-28 12:55:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:45,206 INFO L470 AbstractCegarLoop]: Abstraction has 22452 states and 64119 transitions. [2022-01-28 12:55:45,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22452 states and 64119 transitions. [2022-01-28 12:55:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:45,246 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:45,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:45,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-28 12:55:45,247 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:45,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:45,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1622312059, now seen corresponding path program 16 times [2022-01-28 12:55:45,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:45,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916678436] [2022-01-28 12:55:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:45,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:45,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:45,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916678436] [2022-01-28 12:55:45,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916678436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:45,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:45,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:45,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46134048] [2022-01-28 12:55:45,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:45,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:45,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:45,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:45,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:45,680 INFO L87 Difference]: Start difference. First operand 22452 states and 64119 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:48,111 INFO L93 Difference]: Finished difference Result 47953 states and 134181 transitions. [2022-01-28 12:55:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:55:48,112 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:48,326 INFO L225 Difference]: With dead ends: 47953 [2022-01-28 12:55:48,326 INFO L226 Difference]: Without dead ends: 47953 [2022-01-28 12:55:48,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=724, Invalid=2936, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:55:48,326 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 2963 mSDsluCounter, 12013 mSDsCounter, 0 mSdLazyCounter, 2220 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 12810 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:48,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2963 Valid, 12810 Invalid, 2252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2220 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-28 12:55:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47953 states. [2022-01-28 12:55:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47953 to 22452. [2022-01-28 12:55:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22452 states, 22451 states have (on average 2.855952964233219) internal successors, (64119), 22451 states have internal predecessors, (64119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22452 states to 22452 states and 64119 transitions. [2022-01-28 12:55:48,995 INFO L78 Accepts]: Start accepts. Automaton has 22452 states and 64119 transitions. Word has length 263 [2022-01-28 12:55:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:48,996 INFO L470 AbstractCegarLoop]: Abstraction has 22452 states and 64119 transitions. [2022-01-28 12:55:48,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22452 states and 64119 transitions. [2022-01-28 12:55:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:49,034 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:49,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:49,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-28 12:55:49,034 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:49,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:49,035 INFO L85 PathProgramCache]: Analyzing trace with hash 870170709, now seen corresponding path program 17 times [2022-01-28 12:55:49,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:49,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514425807] [2022-01-28 12:55:49,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:49,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:49,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:49,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514425807] [2022-01-28 12:55:49,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514425807] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:49,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:49,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:49,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345258845] [2022-01-28 12:55:49,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:49,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:49,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:49,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:49,530 INFO L87 Difference]: Start difference. First operand 22452 states and 64119 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:51,624 INFO L93 Difference]: Finished difference Result 44317 states and 124865 transitions. [2022-01-28 12:55:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:55:51,625 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:51,724 INFO L225 Difference]: With dead ends: 44317 [2022-01-28 12:55:51,724 INFO L226 Difference]: Without dead ends: 44317 [2022-01-28 12:55:51,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=808, Invalid=3224, Unknown=0, NotChecked=0, Total=4032 [2022-01-28 12:55:51,726 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 3375 mSDsluCounter, 11393 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 12172 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:51,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3375 Valid, 12172 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 12:55:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44317 states. [2022-01-28 12:55:52,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44317 to 23055. [2022-01-28 12:55:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23055 states, 23054 states have (on average 2.868699574911078) internal successors, (66135), 23054 states have internal predecessors, (66135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23055 states to 23055 states and 66135 transitions. [2022-01-28 12:55:52,688 INFO L78 Accepts]: Start accepts. Automaton has 23055 states and 66135 transitions. Word has length 263 [2022-01-28 12:55:52,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:52,689 INFO L470 AbstractCegarLoop]: Abstraction has 23055 states and 66135 transitions. [2022-01-28 12:55:52,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 23055 states and 66135 transitions. [2022-01-28 12:55:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:52,726 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:52,726 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:52,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-28 12:55:52,726 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1822140541, now seen corresponding path program 18 times [2022-01-28 12:55:52,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:52,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765914467] [2022-01-28 12:55:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:52,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:53,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:53,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765914467] [2022-01-28 12:55:53,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765914467] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:53,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:53,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:53,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022981185] [2022-01-28 12:55:53,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:53,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:53,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:53,285 INFO L87 Difference]: Start difference. First operand 23055 states and 66135 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:55,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:55,239 INFO L93 Difference]: Finished difference Result 45916 states and 129684 transitions. [2022-01-28 12:55:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:55:55,240 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:55,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:55,349 INFO L225 Difference]: With dead ends: 45916 [2022-01-28 12:55:55,349 INFO L226 Difference]: Without dead ends: 45916 [2022-01-28 12:55:55,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=799, Invalid=3233, Unknown=0, NotChecked=0, Total=4032 [2022-01-28 12:55:55,350 INFO L933 BasicCegarLoop]: 983 mSDtfsCounter, 3417 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2401 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 2436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:55,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 13154 Invalid, 2436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:55:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45916 states. [2022-01-28 12:55:55,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45916 to 22655. [2022-01-28 12:55:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22655 states, 22654 states have (on average 2.8570230422883376) internal successors, (64723), 22654 states have internal predecessors, (64723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22655 states to 22655 states and 64723 transitions. [2022-01-28 12:55:55,953 INFO L78 Accepts]: Start accepts. Automaton has 22655 states and 64723 transitions. Word has length 263 [2022-01-28 12:55:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:55,954 INFO L470 AbstractCegarLoop]: Abstraction has 22655 states and 64723 transitions. [2022-01-28 12:55:55,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22655 states and 64723 transitions. [2022-01-28 12:55:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:55,988 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:55,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:55,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-28 12:55:55,989 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:55,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1188407413, now seen corresponding path program 19 times [2022-01-28 12:55:55,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:55,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003610055] [2022-01-28 12:55:55,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:55,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:56,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:56,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003610055] [2022-01-28 12:55:56,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003610055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:56,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:56,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:56,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892072655] [2022-01-28 12:55:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:56,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:56,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:56,399 INFO L87 Difference]: Start difference. First operand 22655 states and 64723 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:58,074 INFO L93 Difference]: Finished difference Result 46208 states and 130563 transitions. [2022-01-28 12:55:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:55:58,074 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:55:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:58,163 INFO L225 Difference]: With dead ends: 46208 [2022-01-28 12:55:58,164 INFO L226 Difference]: Without dead ends: 46208 [2022-01-28 12:55:58,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=711, Invalid=2949, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:55:58,166 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 2979 mSDsluCounter, 11591 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2979 SdHoareTripleChecker+Valid, 12414 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:58,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2979 Valid, 12414 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:55:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46208 states. [2022-01-28 12:55:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46208 to 22623. [2022-01-28 12:55:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 22622 states have (on average 2.8566439748916985) internal successors, (64623), 22622 states have internal predecessors, (64623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 64623 transitions. [2022-01-28 12:55:58,786 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 64623 transitions. Word has length 263 [2022-01-28 12:55:58,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:58,786 INFO L470 AbstractCegarLoop]: Abstraction has 22623 states and 64623 transitions. [2022-01-28 12:55:58,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 64623 transitions. [2022-01-28 12:55:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:55:58,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:58,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:58,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-28 12:55:58,825 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:58,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1228659289, now seen corresponding path program 20 times [2022-01-28 12:55:58,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:58,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019520825] [2022-01-28 12:55:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:58,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:59,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:59,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019520825] [2022-01-28 12:55:59,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019520825] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:59,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:59,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:55:59,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469660621] [2022-01-28 12:55:59,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:59,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:55:59,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:55:59,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:55:59,222 INFO L87 Difference]: Start difference. First operand 22623 states and 64623 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:00,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:00,871 INFO L93 Difference]: Finished difference Result 50038 states and 140578 transitions. [2022-01-28 12:56:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:56:00,871 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:00,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:01,001 INFO L225 Difference]: With dead ends: 50038 [2022-01-28 12:56:01,001 INFO L226 Difference]: Without dead ends: 50038 [2022-01-28 12:56:01,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=738, Invalid=3044, Unknown=0, NotChecked=0, Total=3782 [2022-01-28 12:56:01,002 INFO L933 BasicCegarLoop]: 968 mSDtfsCounter, 3338 mSDsluCounter, 12384 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 13206 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:01,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3338 Valid, 13206 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50038 states. [2022-01-28 12:56:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50038 to 22559. [2022-01-28 12:56:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.855882613706889) internal successors, (64423), 22558 states have internal predecessors, (64423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 64423 transitions. [2022-01-28 12:56:01,755 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 64423 transitions. Word has length 263 [2022-01-28 12:56:01,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:01,756 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 64423 transitions. [2022-01-28 12:56:01,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 64423 transitions. [2022-01-28 12:56:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:01,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:01,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:01,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-28 12:56:01,810 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash 528249413, now seen corresponding path program 21 times [2022-01-28 12:56:01,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:01,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372552490] [2022-01-28 12:56:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:01,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:02,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:02,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372552490] [2022-01-28 12:56:02,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372552490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:02,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:02,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-01-28 12:56:02,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366987372] [2022-01-28 12:56:02,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:02,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-01-28 12:56:02,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:02,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-01-28 12:56:02,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2022-01-28 12:56:02,355 INFO L87 Difference]: Start difference. First operand 22559 states and 64423 transitions. Second operand has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:03,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:03,786 INFO L93 Difference]: Finished difference Result 29808 states and 83937 transitions. [2022-01-28 12:56:03,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 12:56:03,786 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:03,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:03,851 INFO L225 Difference]: With dead ends: 29808 [2022-01-28 12:56:03,852 INFO L226 Difference]: Without dead ends: 29808 [2022-01-28 12:56:03,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=597, Invalid=2595, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 12:56:03,852 INFO L933 BasicCegarLoop]: 808 mSDtfsCounter, 2605 mSDsluCounter, 10366 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 11035 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:03,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2605 Valid, 11035 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:56:03,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29808 states. [2022-01-28 12:56:04,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29808 to 22559. [2022-01-28 12:56:04,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.855882613706889) internal successors, (64423), 22558 states have internal predecessors, (64423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 64423 transitions. [2022-01-28 12:56:04,440 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 64423 transitions. Word has length 263 [2022-01-28 12:56:04,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:04,440 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 64423 transitions. [2022-01-28 12:56:04,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.52) internal successors, (263), 25 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 64423 transitions. [2022-01-28 12:56:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:04,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:04,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:04,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-28 12:56:04,482 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:04,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2112004153, now seen corresponding path program 22 times [2022-01-28 12:56:04,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:04,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760779440] [2022-01-28 12:56:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:04,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:04,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:04,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760779440] [2022-01-28 12:56:04,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760779440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:04,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:04,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:56:04,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830589245] [2022-01-28 12:56:04,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:04,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:56:04,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:04,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:56:04,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:56:04,691 INFO L87 Difference]: Start difference. First operand 22559 states and 64423 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:06,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:06,412 INFO L93 Difference]: Finished difference Result 60931 states and 171612 transitions. [2022-01-28 12:56:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:56:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:06,553 INFO L225 Difference]: With dead ends: 60931 [2022-01-28 12:56:06,553 INFO L226 Difference]: Without dead ends: 60931 [2022-01-28 12:56:06,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=676, Invalid=2404, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 12:56:06,569 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 3037 mSDsluCounter, 8868 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 9682 SdHoareTripleChecker+Invalid, 1938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:06,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3037 Valid, 9682 Invalid, 1938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:06,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60931 states. [2022-01-28 12:56:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60931 to 22955. [2022-01-28 12:56:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22955 states, 22954 states have (on average 2.867299817025355) internal successors, (65816), 22954 states have internal predecessors, (65816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22955 states to 22955 states and 65816 transitions. [2022-01-28 12:56:07,321 INFO L78 Accepts]: Start accepts. Automaton has 22955 states and 65816 transitions. Word has length 263 [2022-01-28 12:56:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:07,321 INFO L470 AbstractCegarLoop]: Abstraction has 22955 states and 65816 transitions. [2022-01-28 12:56:07,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22955 states and 65816 transitions. [2022-01-28 12:56:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:07,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:07,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:07,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-28 12:56:07,361 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:07,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1160034321, now seen corresponding path program 23 times [2022-01-28 12:56:07,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:07,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622184517] [2022-01-28 12:56:07,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:07,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:07,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:07,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622184517] [2022-01-28 12:56:07,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622184517] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:07,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:07,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:07,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067300844] [2022-01-28 12:56:07,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:07,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:07,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:07,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:07,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:07,576 INFO L87 Difference]: Start difference. First operand 22955 states and 65816 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:09,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:09,156 INFO L93 Difference]: Finished difference Result 61489 states and 173506 transitions. [2022-01-28 12:56:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 12:56:09,157 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:09,330 INFO L225 Difference]: With dead ends: 61489 [2022-01-28 12:56:09,330 INFO L226 Difference]: Without dead ends: 61489 [2022-01-28 12:56:09,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=647, Invalid=2323, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 12:56:09,331 INFO L933 BasicCegarLoop]: 970 mSDtfsCounter, 2771 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 9388 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:09,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2771 Valid, 9388 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:09,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61489 states. [2022-01-28 12:56:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61489 to 22627. [2022-01-28 12:56:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22627 states, 22626 states have (on average 2.8560947582427296) internal successors, (64622), 22626 states have internal predecessors, (64622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22627 states to 22627 states and 64622 transitions. [2022-01-28 12:56:10,206 INFO L78 Accepts]: Start accepts. Automaton has 22627 states and 64622 transitions. Word has length 263 [2022-01-28 12:56:10,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:10,206 INFO L470 AbstractCegarLoop]: Abstraction has 22627 states and 64622 transitions. [2022-01-28 12:56:10,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22627 states and 64622 transitions. [2022-01-28 12:56:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:10,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:10,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:10,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-28 12:56:10,244 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:10,245 INFO L85 PathProgramCache]: Analyzing trace with hash 124385021, now seen corresponding path program 24 times [2022-01-28 12:56:10,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:10,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683445103] [2022-01-28 12:56:10,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:10,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:10,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:10,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683445103] [2022-01-28 12:56:10,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683445103] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:10,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:10,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:56:10,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141878325] [2022-01-28 12:56:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:10,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:56:10,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:10,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:56:10,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:56:10,453 INFO L87 Difference]: Start difference. First operand 22627 states and 64622 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:11,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:11,948 INFO L93 Difference]: Finished difference Result 46033 states and 129980 transitions. [2022-01-28 12:56:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-28 12:56:11,948 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:12,063 INFO L225 Difference]: With dead ends: 46033 [2022-01-28 12:56:12,064 INFO L226 Difference]: Without dead ends: 46033 [2022-01-28 12:56:12,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=592, Invalid=2164, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 12:56:12,065 INFO L933 BasicCegarLoop]: 818 mSDtfsCounter, 2399 mSDsluCounter, 8037 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 8759 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:12,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2399 Valid, 8759 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46033 states. [2022-01-28 12:56:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46033 to 22595. [2022-01-28 12:56:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.8557139063468178) internal successors, (64522), 22594 states have internal predecessors, (64522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 64522 transitions. [2022-01-28 12:56:12,773 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 64522 transitions. Word has length 263 [2022-01-28 12:56:12,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:12,773 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 64522 transitions. [2022-01-28 12:56:12,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 64522 transitions. [2022-01-28 12:56:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:12,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:12,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:12,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-28 12:56:12,811 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1388476601, now seen corresponding path program 25 times [2022-01-28 12:56:12,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:12,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490838194] [2022-01-28 12:56:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:13,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:13,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490838194] [2022-01-28 12:56:13,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490838194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:13,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:13,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:13,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557605891] [2022-01-28 12:56:13,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:13,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:13,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:13,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:13,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:13,019 INFO L87 Difference]: Start difference. First operand 22595 states and 64522 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:14,254 INFO L93 Difference]: Finished difference Result 61134 states and 172189 transitions. [2022-01-28 12:56:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:56:14,255 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:14,394 INFO L225 Difference]: With dead ends: 61134 [2022-01-28 12:56:14,394 INFO L226 Difference]: Without dead ends: 61134 [2022-01-28 12:56:14,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=671, Invalid=2409, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 12:56:14,402 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 3225 mSDsluCounter, 8327 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:14,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3225 Valid, 9139 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1792 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:56:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61134 states. [2022-01-28 12:56:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61134 to 22955. [2022-01-28 12:56:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22955 states, 22954 states have (on average 2.867299817025355) internal successors, (65816), 22954 states have internal predecessors, (65816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22955 states to 22955 states and 65816 transitions. [2022-01-28 12:56:15,203 INFO L78 Accepts]: Start accepts. Automaton has 22955 states and 65816 transitions. Word has length 263 [2022-01-28 12:56:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:15,203 INFO L470 AbstractCegarLoop]: Abstraction has 22955 states and 65816 transitions. [2022-01-28 12:56:15,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:15,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22955 states and 65816 transitions. [2022-01-28 12:56:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:15,239 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:15,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:15,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-28 12:56:15,243 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -436506769, now seen corresponding path program 26 times [2022-01-28 12:56:15,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:15,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724009089] [2022-01-28 12:56:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:15,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:15,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:15,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724009089] [2022-01-28 12:56:15,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724009089] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:15,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:15,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:56:15,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46496834] [2022-01-28 12:56:15,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:15,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:56:15,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:56:15,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:56:15,460 INFO L87 Difference]: Start difference. First operand 22955 states and 65816 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:17,192 INFO L93 Difference]: Finished difference Result 61495 states and 173519 transitions. [2022-01-28 12:56:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:56:17,192 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:17,323 INFO L225 Difference]: With dead ends: 61495 [2022-01-28 12:56:17,323 INFO L226 Difference]: Without dead ends: 61495 [2022-01-28 12:56:17,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=736, Invalid=2686, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 12:56:17,324 INFO L933 BasicCegarLoop]: 933 mSDtfsCounter, 2943 mSDsluCounter, 9285 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 10126 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:17,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2943 Valid, 10126 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61495 states. [2022-01-28 12:56:17,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61495 to 22695. [2022-01-28 12:56:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22695 states, 22694 states have (on average 2.8557768573191153) internal successors, (64809), 22694 states have internal predecessors, (64809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22695 states to 22695 states and 64809 transitions. [2022-01-28 12:56:18,046 INFO L78 Accepts]: Start accepts. Automaton has 22695 states and 64809 transitions. Word has length 263 [2022-01-28 12:56:18,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:18,046 INFO L470 AbstractCegarLoop]: Abstraction has 22695 states and 64809 transitions. [2022-01-28 12:56:18,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 22695 states and 64809 transitions. [2022-01-28 12:56:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:18,078 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:18,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:18,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-28 12:56:18,079 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:18,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1091014739, now seen corresponding path program 27 times [2022-01-28 12:56:18,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:18,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985791385] [2022-01-28 12:56:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:18,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:18,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:18,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985791385] [2022-01-28 12:56:18,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985791385] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:18,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:18,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:18,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359510390] [2022-01-28 12:56:18,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:18,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:18,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:18,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:18,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:18,318 INFO L87 Difference]: Start difference. First operand 22695 states and 64809 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:19,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:19,648 INFO L93 Difference]: Finished difference Result 46346 states and 130716 transitions. [2022-01-28 12:56:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 12:56:19,649 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:19,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:19,747 INFO L225 Difference]: With dead ends: 46346 [2022-01-28 12:56:19,747 INFO L226 Difference]: Without dead ends: 46346 [2022-01-28 12:56:19,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=552, Invalid=1998, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 12:56:19,748 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 2264 mSDsluCounter, 7811 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 8530 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:19,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2264 Valid, 8530 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1605 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:19,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46346 states. [2022-01-28 12:56:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46346 to 22755. [2022-01-28 12:56:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22754 states have (on average 2.8553221411619933) internal successors, (64970), 22754 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) [2022-01-28 12:56:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 64970 transitions. [2022-01-28 12:56:20,386 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 64970 transitions. Word has length 263 [2022-01-28 12:56:20,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:20,387 INFO L470 AbstractCegarLoop]: Abstraction has 22755 states and 64970 transitions. [2022-01-28 12:56:20,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 64970 transitions. [2022-01-28 12:56:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:20,422 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:20,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:20,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-28 12:56:20,422 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:20,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash 990241513, now seen corresponding path program 28 times [2022-01-28 12:56:20,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:20,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964312752] [2022-01-28 12:56:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:20,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:20,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:20,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964312752] [2022-01-28 12:56:20,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964312752] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:20,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:20,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:20,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590090995] [2022-01-28 12:56:20,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:20,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:20,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:20,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:20,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:20,645 INFO L87 Difference]: Start difference. First operand 22755 states and 64970 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:22,347 INFO L93 Difference]: Finished difference Result 60954 states and 171698 transitions. [2022-01-28 12:56:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 12:56:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:22,498 INFO L225 Difference]: With dead ends: 60954 [2022-01-28 12:56:22,498 INFO L226 Difference]: Without dead ends: 60954 [2022-01-28 12:56:22,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=812, Invalid=2848, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:56:22,499 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 3347 mSDsluCounter, 9221 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 10074 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:22,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3347 Valid, 10074 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:22,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60954 states. [2022-01-28 12:56:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60954 to 23187. [2022-01-28 12:56:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23187 states, 23186 states have (on average 2.867851289571293) internal successors, (66494), 23186 states have internal predecessors, (66494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23187 states to 23187 states and 66494 transitions. [2022-01-28 12:56:23,259 INFO L78 Accepts]: Start accepts. Automaton has 23187 states and 66494 transitions. Word has length 263 [2022-01-28 12:56:23,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:23,259 INFO L470 AbstractCegarLoop]: Abstraction has 23187 states and 66494 transitions. [2022-01-28 12:56:23,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 23187 states and 66494 transitions. [2022-01-28 12:56:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:23,300 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:23,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:23,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-28 12:56:23,301 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:23,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1942211345, now seen corresponding path program 29 times [2022-01-28 12:56:23,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:23,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122525693] [2022-01-28 12:56:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:23,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:23,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:23,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122525693] [2022-01-28 12:56:23,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122525693] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:23,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:23,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:56:23,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76468857] [2022-01-28 12:56:23,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:23,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:56:23,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:23,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:56:23,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:56:23,508 INFO L87 Difference]: Start difference. First operand 23187 states and 66494 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:24,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:24,905 INFO L93 Difference]: Finished difference Result 61315 states and 173028 transitions. [2022-01-28 12:56:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 12:56:24,906 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:24,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:25,085 INFO L225 Difference]: With dead ends: 61315 [2022-01-28 12:56:25,085 INFO L226 Difference]: Without dead ends: 61315 [2022-01-28 12:56:25,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=834, Invalid=2948, Unknown=0, NotChecked=0, Total=3782 [2022-01-28 12:56:25,087 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 3242 mSDsluCounter, 9472 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 10347 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:25,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 10347 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1922 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:25,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61315 states. [2022-01-28 12:56:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61315 to 22987. [2022-01-28 12:56:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22987 states, 22986 states have (on average 2.8558252849560604) internal successors, (65644), 22986 states have internal predecessors, (65644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 65644 transitions. [2022-01-28 12:56:25,849 INFO L78 Accepts]: Start accepts. Automaton has 22987 states and 65644 transitions. Word has length 263 [2022-01-28 12:56:25,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:25,849 INFO L470 AbstractCegarLoop]: Abstraction has 22987 states and 65644 transitions. [2022-01-28 12:56:25,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 22987 states and 65644 transitions. [2022-01-28 12:56:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:25,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:25,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:25,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-28 12:56:25,888 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:25,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:25,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1287703375, now seen corresponding path program 30 times [2022-01-28 12:56:25,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:25,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737695282] [2022-01-28 12:56:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:25,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:26,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:26,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737695282] [2022-01-28 12:56:26,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737695282] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:26,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:26,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:26,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447281016] [2022-01-28 12:56:26,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:26,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:26,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:26,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:26,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:26,063 INFO L87 Difference]: Start difference. First operand 22987 states and 65644 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:27,267 INFO L93 Difference]: Finished difference Result 46622 states and 131475 transitions. [2022-01-28 12:56:27,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:56:27,268 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:27,380 INFO L225 Difference]: With dead ends: 46622 [2022-01-28 12:56:27,381 INFO L226 Difference]: Without dead ends: 46622 [2022-01-28 12:56:27,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=679, Invalid=2401, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 12:56:27,382 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 2629 mSDsluCounter, 8065 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 8829 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:27,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2629 Valid, 8829 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46622 states. [2022-01-28 12:56:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46622 to 22955. [2022-01-28 12:56:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22955 states, 22954 states have (on average 2.855450030495774) internal successors, (65544), 22954 states have internal predecessors, (65544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22955 states to 22955 states and 65544 transitions. [2022-01-28 12:56:27,975 INFO L78 Accepts]: Start accepts. Automaton has 22955 states and 65544 transitions. Word has length 263 [2022-01-28 12:56:27,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:27,975 INFO L470 AbstractCegarLoop]: Abstraction has 22955 states and 65544 transitions. [2022-01-28 12:56:27,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 22955 states and 65544 transitions. [2022-01-28 12:56:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:28,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:28,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:28,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-28 12:56:28,010 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:28,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:28,010 INFO L85 PathProgramCache]: Analyzing trace with hash 682309739, now seen corresponding path program 31 times [2022-01-28 12:56:28,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:28,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627502058] [2022-01-28 12:56:28,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:28,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:28,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:28,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627502058] [2022-01-28 12:56:28,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627502058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:28,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:28,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:28,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533028943] [2022-01-28 12:56:28,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:28,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:28,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:28,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:28,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:28,222 INFO L87 Difference]: Start difference. First operand 22955 states and 65544 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:29,361 INFO L93 Difference]: Finished difference Result 50128 states and 140784 transitions. [2022-01-28 12:56:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 12:56:29,361 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:29,461 INFO L225 Difference]: With dead ends: 50128 [2022-01-28 12:56:29,461 INFO L226 Difference]: Without dead ends: 50128 [2022-01-28 12:56:29,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=707, Invalid=2485, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 12:56:29,463 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 2801 mSDsluCounter, 8328 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 9105 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:29,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2801 Valid, 9105 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:56:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50128 states. [2022-01-28 12:56:29,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50128 to 23075. [2022-01-28 12:56:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23075 states, 23074 states have (on average 2.8545549102886367) internal successors, (65866), 23074 states have internal predecessors, (65866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23075 states to 23075 states and 65866 transitions. [2022-01-28 12:56:30,019 INFO L78 Accepts]: Start accepts. Automaton has 23075 states and 65866 transitions. Word has length 263 [2022-01-28 12:56:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:30,020 INFO L470 AbstractCegarLoop]: Abstraction has 23075 states and 65866 transitions. [2022-01-28 12:56:30,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 23075 states and 65866 transitions. [2022-01-28 12:56:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:30,053 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:30,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:30,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-28 12:56:30,054 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1637279673, now seen corresponding path program 32 times [2022-01-28 12:56:30,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:30,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846601391] [2022-01-28 12:56:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:30,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:30,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:30,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846601391] [2022-01-28 12:56:30,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846601391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:30,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:30,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:30,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957637656] [2022-01-28 12:56:30,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:30,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:30,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:30,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:30,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:30,264 INFO L87 Difference]: Start difference. First operand 23075 states and 65866 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:32,284 INFO L93 Difference]: Finished difference Result 61931 states and 174386 transitions. [2022-01-28 12:56:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:56:32,284 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:32,925 INFO L225 Difference]: With dead ends: 61931 [2022-01-28 12:56:32,925 INFO L226 Difference]: Without dead ends: 61931 [2022-01-28 12:56:32,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=674, Invalid=2406, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 12:56:32,926 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 3193 mSDsluCounter, 8288 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 9102 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:32,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3193 Valid, 9102 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:33,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61931 states. [2022-01-28 12:56:33,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61931 to 23447. [2022-01-28 12:56:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23447 states, 23446 states have (on average 2.8658619807216583) internal successors, (67193), 23446 states have internal predecessors, (67193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23447 states to 23447 states and 67193 transitions. [2022-01-28 12:56:33,854 INFO L78 Accepts]: Start accepts. Automaton has 23447 states and 67193 transitions. Word has length 263 [2022-01-28 12:56:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:33,855 INFO L470 AbstractCegarLoop]: Abstraction has 23447 states and 67193 transitions. [2022-01-28 12:56:33,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23447 states and 67193 transitions. [2022-01-28 12:56:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:33,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:33,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:33,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-28 12:56:33,888 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:33,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash -685309841, now seen corresponding path program 33 times [2022-01-28 12:56:33,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:33,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143872394] [2022-01-28 12:56:33,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:33,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:34,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:34,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143872394] [2022-01-28 12:56:34,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143872394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:34,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:34,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:34,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408186617] [2022-01-28 12:56:34,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:34,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:34,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:34,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:34,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:34,093 INFO L87 Difference]: Start difference. First operand 23447 states and 67193 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:35,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:35,675 INFO L93 Difference]: Finished difference Result 62489 states and 176280 transitions. [2022-01-28 12:56:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:56:35,676 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:35,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:35,807 INFO L225 Difference]: With dead ends: 62489 [2022-01-28 12:56:35,807 INFO L226 Difference]: Without dead ends: 62489 [2022-01-28 12:56:35,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 12:56:35,810 INFO L933 BasicCegarLoop]: 989 mSDtfsCounter, 2817 mSDsluCounter, 8457 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 9350 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:35,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2817 Valid, 9350 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:56:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62489 states. [2022-01-28 12:56:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62489 to 23119. [2022-01-28 12:56:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23119 states, 23118 states have (on average 2.8548749891859155) internal successors, (65999), 23118 states have internal predecessors, (65999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23119 states to 23119 states and 65999 transitions. [2022-01-28 12:56:36,693 INFO L78 Accepts]: Start accepts. Automaton has 23119 states and 65999 transitions. Word has length 263 [2022-01-28 12:56:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:36,694 INFO L470 AbstractCegarLoop]: Abstraction has 23119 states and 65999 transitions. [2022-01-28 12:56:36,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23119 states and 65999 transitions. [2022-01-28 12:56:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:36,730 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:36,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:36,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-28 12:56:36,730 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash 599109501, now seen corresponding path program 34 times [2022-01-28 12:56:36,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:36,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030172990] [2022-01-28 12:56:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:36,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:36,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:36,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030172990] [2022-01-28 12:56:36,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030172990] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:36,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:36,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:36,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109662614] [2022-01-28 12:56:36,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:36,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:36,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:36,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:36,999 INFO L87 Difference]: Start difference. First operand 23119 states and 65999 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:38,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:38,405 INFO L93 Difference]: Finished difference Result 47033 states and 132754 transitions. [2022-01-28 12:56:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-28 12:56:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:38,498 INFO L225 Difference]: With dead ends: 47033 [2022-01-28 12:56:38,498 INFO L226 Difference]: Without dead ends: 47033 [2022-01-28 12:56:38,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=596, Invalid=2160, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 12:56:38,499 INFO L933 BasicCegarLoop]: 835 mSDtfsCounter, 2450 mSDsluCounter, 7306 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 8056 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:38,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2450 Valid, 8056 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:38,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47033 states. [2022-01-28 12:56:39,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47033 to 23087. [2022-01-28 12:56:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 23086 states have (on average 2.8545005631118427) internal successors, (65899), 23086 states have internal predecessors, (65899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 65899 transitions. [2022-01-28 12:56:39,101 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 65899 transitions. Word has length 263 [2022-01-28 12:56:39,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:39,102 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 65899 transitions. [2022-01-28 12:56:39,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 65899 transitions. [2022-01-28 12:56:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:39,136 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:39,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:39,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-28 12:56:39,136 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash -913752121, now seen corresponding path program 35 times [2022-01-28 12:56:39,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:39,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991350943] [2022-01-28 12:56:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:39,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:39,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:39,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991350943] [2022-01-28 12:56:39,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991350943] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:39,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:39,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:39,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116741199] [2022-01-28 12:56:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:39,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:39,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:39,378 INFO L87 Difference]: Start difference. First operand 23087 states and 65899 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:40,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:40,827 INFO L93 Difference]: Finished difference Result 62086 states and 174815 transitions. [2022-01-28 12:56:40,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-28 12:56:40,827 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:40,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:41,070 INFO L225 Difference]: With dead ends: 62086 [2022-01-28 12:56:41,070 INFO L226 Difference]: Without dead ends: 62086 [2022-01-28 12:56:41,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=609, Invalid=2147, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 12:56:41,071 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 2979 mSDsluCounter, 8370 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2979 SdHoareTripleChecker+Valid, 9177 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:41,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2979 Valid, 9177 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:56:41,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62086 states. [2022-01-28 12:56:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62086 to 23447. [2022-01-28 12:56:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23447 states, 23446 states have (on average 2.8658619807216583) internal successors, (67193), 23446 states have internal predecessors, (67193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23447 states to 23447 states and 67193 transitions. [2022-01-28 12:56:41,753 INFO L78 Accepts]: Start accepts. Automaton has 23447 states and 67193 transitions. Word has length 263 [2022-01-28 12:56:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:41,753 INFO L470 AbstractCegarLoop]: Abstraction has 23447 states and 67193 transitions. [2022-01-28 12:56:41,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 23447 states and 67193 transitions. [2022-01-28 12:56:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:41,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:41,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:41,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-28 12:56:41,788 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash 38217711, now seen corresponding path program 36 times [2022-01-28 12:56:41,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:41,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274703333] [2022-01-28 12:56:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:41,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:41,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:41,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274703333] [2022-01-28 12:56:41,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274703333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:41,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:41,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:41,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450602188] [2022-01-28 12:56:41,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:41,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:41,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:41,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:41,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:41,992 INFO L87 Difference]: Start difference. First operand 23447 states and 67193 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:43,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:43,508 INFO L93 Difference]: Finished difference Result 62387 states and 175984 transitions. [2022-01-28 12:56:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 12:56:43,508 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:43,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:43,660 INFO L225 Difference]: With dead ends: 62387 [2022-01-28 12:56:43,661 INFO L226 Difference]: Without dead ends: 62387 [2022-01-28 12:56:43,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=701, Invalid=2491, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 12:56:43,661 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2794 mSDsluCounter, 8576 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 9445 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:43,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 9445 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62387 states. [2022-01-28 12:56:44,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62387 to 23119. [2022-01-28 12:56:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23119 states, 23118 states have (on average 2.8548749891859155) internal successors, (65999), 23118 states have internal predecessors, (65999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23119 states to 23119 states and 65999 transitions. [2022-01-28 12:56:44,481 INFO L78 Accepts]: Start accepts. Automaton has 23119 states and 65999 transitions. Word has length 263 [2022-01-28 12:56:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:44,481 INFO L470 AbstractCegarLoop]: Abstraction has 23119 states and 65999 transitions. [2022-01-28 12:56:44,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 23119 states and 65999 transitions. [2022-01-28 12:56:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:44,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:44,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:44,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-28 12:56:44,517 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:44,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:44,518 INFO L85 PathProgramCache]: Analyzing trace with hash -616290259, now seen corresponding path program 37 times [2022-01-28 12:56:44,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:44,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121066158] [2022-01-28 12:56:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:44,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:44,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:44,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121066158] [2022-01-28 12:56:44,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121066158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:44,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:44,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:44,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950956740] [2022-01-28 12:56:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:44,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:44,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:44,712 INFO L87 Difference]: Start difference. First operand 23119 states and 65999 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:45,956 INFO L93 Difference]: Finished difference Result 47354 states and 133492 transitions. [2022-01-28 12:56:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 12:56:45,957 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:45,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:46,044 INFO L225 Difference]: With dead ends: 47354 [2022-01-28 12:56:46,044 INFO L226 Difference]: Without dead ends: 47354 [2022-01-28 12:56:46,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=539, Invalid=1911, Unknown=0, NotChecked=0, Total=2450 [2022-01-28 12:56:46,045 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 2446 mSDsluCounter, 7468 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 8185 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:46,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 8185 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:46,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47354 states. [2022-01-28 12:56:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47354 to 23083. [2022-01-28 12:56:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23083 states, 23082 states have (on average 2.854518672558704) internal successors, (65888), 23082 states have internal predecessors, (65888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23083 states to 23083 states and 65888 transitions. [2022-01-28 12:56:46,642 INFO L78 Accepts]: Start accepts. Automaton has 23083 states and 65888 transitions. Word has length 263 [2022-01-28 12:56:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:46,642 INFO L470 AbstractCegarLoop]: Abstraction has 23083 states and 65888 transitions. [2022-01-28 12:56:46,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23083 states and 65888 transitions. [2022-01-28 12:56:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:46,675 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:46,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:46,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-28 12:56:46,675 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1167596823, now seen corresponding path program 38 times [2022-01-28 12:56:46,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:46,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969692611] [2022-01-28 12:56:46,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:46,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:47,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:47,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969692611] [2022-01-28 12:56:47,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969692611] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:47,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:47,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:47,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5084492] [2022-01-28 12:56:47,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:47,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:47,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:47,103 INFO L87 Difference]: Start difference. First operand 23083 states and 65888 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:48,784 INFO L93 Difference]: Finished difference Result 78398 states and 220645 transitions. [2022-01-28 12:56:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 12:56:48,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:48,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:48,959 INFO L225 Difference]: With dead ends: 78398 [2022-01-28 12:56:48,959 INFO L226 Difference]: Without dead ends: 78398 [2022-01-28 12:56:48,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=821, Invalid=2839, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 12:56:48,960 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 3226 mSDsluCounter, 9064 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 10005 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:48,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3226 Valid, 10005 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78398 states. [2022-01-28 12:56:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78398 to 23515. [2022-01-28 12:56:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23515 states, 23514 states have (on average 2.8668878115165435) internal successors, (67412), 23514 states have internal predecessors, (67412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23515 states to 23515 states and 67412 transitions. [2022-01-28 12:56:49,904 INFO L78 Accepts]: Start accepts. Automaton has 23515 states and 67412 transitions. Word has length 263 [2022-01-28 12:56:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:49,904 INFO L470 AbstractCegarLoop]: Abstraction has 23515 states and 67412 transitions. [2022-01-28 12:56:49,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23515 states and 67412 transitions. [2022-01-28 12:56:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:49,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:49,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:49,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-28 12:56:49,942 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:49,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash -215626991, now seen corresponding path program 39 times [2022-01-28 12:56:49,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:49,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638210998] [2022-01-28 12:56:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:49,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:50,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:50,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638210998] [2022-01-28 12:56:50,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638210998] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:50,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:50,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:56:50,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471414460] [2022-01-28 12:56:50,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:50,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:56:50,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:50,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:56:50,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:56:50,145 INFO L87 Difference]: Start difference. First operand 23515 states and 67412 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:51,780 INFO L93 Difference]: Finished difference Result 78815 states and 222216 transitions. [2022-01-28 12:56:51,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 12:56:51,780 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:52,002 INFO L225 Difference]: With dead ends: 78815 [2022-01-28 12:56:52,002 INFO L226 Difference]: Without dead ends: 78815 [2022-01-28 12:56:52,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 851 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=883, Invalid=3149, Unknown=0, NotChecked=0, Total=4032 [2022-01-28 12:56:52,003 INFO L933 BasicCegarLoop]: 1158 mSDtfsCounter, 3430 mSDsluCounter, 9323 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 10369 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:52,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3430 Valid, 10369 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:56:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78815 states. [2022-01-28 12:56:52,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78815 to 23179. [2022-01-28 12:56:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23179 states, 23178 states have (on average 2.8556389679868843) internal successors, (66188), 23178 states have internal predecessors, (66188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23179 states to 23179 states and 66188 transitions. [2022-01-28 12:56:52,929 INFO L78 Accepts]: Start accepts. Automaton has 23179 states and 66188 transitions. Word has length 263 [2022-01-28 12:56:52,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:52,930 INFO L470 AbstractCegarLoop]: Abstraction has 23179 states and 66188 transitions. [2022-01-28 12:56:52,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 23179 states and 66188 transitions. [2022-01-28 12:56:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:52,965 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:52,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:52,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-28 12:56:52,965 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1068792351, now seen corresponding path program 40 times [2022-01-28 12:56:52,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:52,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314032148] [2022-01-28 12:56:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:52,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:53,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:53,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314032148] [2022-01-28 12:56:53,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314032148] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:53,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:53,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:53,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395254738] [2022-01-28 12:56:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:53,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:53,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:53,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:53,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:53,161 INFO L87 Difference]: Start difference. First operand 23179 states and 66188 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:54,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:54,484 INFO L93 Difference]: Finished difference Result 63515 states and 179135 transitions. [2022-01-28 12:56:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:56:54,484 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:54,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:54,621 INFO L225 Difference]: With dead ends: 63515 [2022-01-28 12:56:54,622 INFO L226 Difference]: Without dead ends: 63515 [2022-01-28 12:56:54,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=727, Invalid=2579, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 12:56:54,622 INFO L933 BasicCegarLoop]: 1004 mSDtfsCounter, 2506 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2506 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:54,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2506 Valid, 9809 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:56:54,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63515 states. [2022-01-28 12:56:55,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63515 to 23147. [2022-01-28 12:56:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23147 states, 23146 states have (on average 2.8552665687375787) internal successors, (66088), 23146 states have internal predecessors, (66088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23147 states to 23147 states and 66088 transitions. [2022-01-28 12:56:55,368 INFO L78 Accepts]: Start accepts. Automaton has 23147 states and 66088 transitions. Word has length 263 [2022-01-28 12:56:55,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:55,368 INFO L470 AbstractCegarLoop]: Abstraction has 23147 states and 66088 transitions. [2022-01-28 12:56:55,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 23147 states and 66088 transitions. [2022-01-28 12:56:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:55,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:55,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:55,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-28 12:56:55,402 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1028540475, now seen corresponding path program 41 times [2022-01-28 12:56:55,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:55,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194335187] [2022-01-28 12:56:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:55,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:55,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194335187] [2022-01-28 12:56:55,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194335187] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:55,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:55,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:55,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176534343] [2022-01-28 12:56:55,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:55,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:55,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:55,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:55,619 INFO L87 Difference]: Start difference. First operand 23147 states and 66088 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:57,060 INFO L93 Difference]: Finished difference Result 66450 states and 186617 transitions. [2022-01-28 12:56:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 12:56:57,061 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:57,248 INFO L225 Difference]: With dead ends: 66450 [2022-01-28 12:56:57,249 INFO L226 Difference]: Without dead ends: 66450 [2022-01-28 12:56:57,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=758, Invalid=2664, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 12:56:57,249 INFO L933 BasicCegarLoop]: 1045 mSDtfsCounter, 2760 mSDsluCounter, 8904 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 9832 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:57,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2760 Valid, 9832 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:56:57,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66450 states. [2022-01-28 12:56:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66450 to 23083. [2022-01-28 12:56:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23083 states, 23082 states have (on average 2.854518672558704) internal successors, (65888), 23082 states have internal predecessors, (65888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23083 states to 23083 states and 65888 transitions. [2022-01-28 12:56:58,322 INFO L78 Accepts]: Start accepts. Automaton has 23083 states and 65888 transitions. Word has length 263 [2022-01-28 12:56:58,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:58,322 INFO L470 AbstractCegarLoop]: Abstraction has 23083 states and 65888 transitions. [2022-01-28 12:56:58,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 23083 states and 65888 transitions. [2022-01-28 12:56:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:56:58,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:58,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:58,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-28 12:56:58,360 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:58,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash 744316453, now seen corresponding path program 42 times [2022-01-28 12:56:58,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:58,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434826755] [2022-01-28 12:56:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:58,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:58,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434826755] [2022-01-28 12:56:58,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434826755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:58,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:58,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:56:58,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244191367] [2022-01-28 12:56:58,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:58,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:56:58,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:58,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:56:58,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:56:58,543 INFO L87 Difference]: Start difference. First operand 23083 states and 65888 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:59,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:59,539 INFO L93 Difference]: Finished difference Result 45875 states and 129273 transitions. [2022-01-28 12:56:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 12:56:59,539 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:56:59,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:59,749 INFO L225 Difference]: With dead ends: 45875 [2022-01-28 12:56:59,749 INFO L226 Difference]: Without dead ends: 45875 [2022-01-28 12:56:59,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=540, Invalid=2010, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 12:56:59,750 INFO L933 BasicCegarLoop]: 883 mSDtfsCounter, 2412 mSDsluCounter, 8078 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 8851 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:59,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2412 Valid, 8851 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:56:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45875 states. [2022-01-28 12:57:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45875 to 23459. [2022-01-28 12:57:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23459 states, 23458 states have (on average 2.8658027112285787) internal successors, (67226), 23458 states have internal predecessors, (67226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23459 states to 23459 states and 67226 transitions. [2022-01-28 12:57:00,397 INFO L78 Accepts]: Start accepts. Automaton has 23459 states and 67226 transitions. Word has length 263 [2022-01-28 12:57:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:00,398 INFO L470 AbstractCegarLoop]: Abstraction has 23459 states and 67226 transitions. [2022-01-28 12:57:00,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 23459 states and 67226 transitions. [2022-01-28 12:57:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:00,432 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:00,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:00,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-28 12:57:00,433 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1696286285, now seen corresponding path program 43 times [2022-01-28 12:57:00,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:00,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789992529] [2022-01-28 12:57:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:00,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:00,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:00,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789992529] [2022-01-28 12:57:00,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789992529] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:00,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:00,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:00,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83018186] [2022-01-28 12:57:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:00,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:00,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:00,630 INFO L87 Difference]: Start difference. First operand 23459 states and 67226 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:01,860 INFO L93 Difference]: Finished difference Result 46613 states and 131580 transitions. [2022-01-28 12:57:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-28 12:57:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:01,955 INFO L225 Difference]: With dead ends: 46613 [2022-01-28 12:57:01,955 INFO L226 Difference]: Without dead ends: 46613 [2022-01-28 12:57:01,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=579, Invalid=2177, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 12:57:01,957 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 2100 mSDsluCounter, 8326 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 9180 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:01,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2100 Valid, 9180 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:57:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46613 states. [2022-01-28 12:57:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46613 to 23131. [2022-01-28 12:57:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23131 states, 23130 states have (on average 2.854820579334198) internal successors, (66032), 23130 states have internal predecessors, (66032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 66032 transitions. [2022-01-28 12:57:02,566 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 66032 transitions. Word has length 263 [2022-01-28 12:57:02,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:02,566 INFO L470 AbstractCegarLoop]: Abstraction has 23131 states and 66032 transitions. [2022-01-28 12:57:02,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 66032 transitions. [2022-01-28 12:57:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:02,600 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:02,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:02,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-28 12:57:02,601 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:02,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:02,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1314261669, now seen corresponding path program 44 times [2022-01-28 12:57:02,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:02,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368946553] [2022-01-28 12:57:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:02,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:02,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:02,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368946553] [2022-01-28 12:57:02,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368946553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:02,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:02,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:02,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484115392] [2022-01-28 12:57:02,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:02,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:02,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:02,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:02,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:02,934 INFO L87 Difference]: Start difference. First operand 23131 states and 66032 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:03,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:03,875 INFO L93 Difference]: Finished difference Result 31313 states and 88491 transitions. [2022-01-28 12:57:03,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-28 12:57:03,875 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:03,935 INFO L225 Difference]: With dead ends: 31313 [2022-01-28 12:57:03,935 INFO L226 Difference]: Without dead ends: 31313 [2022-01-28 12:57:03,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=470, Invalid=1786, Unknown=0, NotChecked=0, Total=2256 [2022-01-28 12:57:03,935 INFO L933 BasicCegarLoop]: 789 mSDtfsCounter, 2048 mSDsluCounter, 7328 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 8040 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:03,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 8040 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:57:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31313 states. [2022-01-28 12:57:04,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31313 to 23099. [2022-01-28 12:57:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23099 states, 23098 states have (on average 2.8544462724045374) internal successors, (65932), 23098 states have internal predecessors, (65932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23099 states to 23099 states and 65932 transitions. [2022-01-28 12:57:04,471 INFO L78 Accepts]: Start accepts. Automaton has 23099 states and 65932 transitions. Word has length 263 [2022-01-28 12:57:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:04,471 INFO L470 AbstractCegarLoop]: Abstraction has 23099 states and 65932 transitions. [2022-01-28 12:57:04,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 23099 states and 65932 transitions. [2022-01-28 12:57:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:04,508 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:04,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:04,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-28 12:57:04,508 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:04,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:04,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1467844005, now seen corresponding path program 45 times [2022-01-28 12:57:04,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:04,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784722108] [2022-01-28 12:57:04,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:04,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:04,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:04,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784722108] [2022-01-28 12:57:04,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784722108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:04,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:04,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:04,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379464848] [2022-01-28 12:57:04,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:04,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:04,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:04,707 INFO L87 Difference]: Start difference. First operand 23099 states and 65932 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:05,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:05,823 INFO L93 Difference]: Finished difference Result 45694 states and 128786 transitions. [2022-01-28 12:57:05,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-28 12:57:05,823 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:05,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:06,086 INFO L225 Difference]: With dead ends: 45694 [2022-01-28 12:57:06,086 INFO L226 Difference]: Without dead ends: 45694 [2022-01-28 12:57:06,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2022-01-28 12:57:06,087 INFO L933 BasicCegarLoop]: 819 mSDtfsCounter, 2317 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 8154 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:06,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2317 Valid, 8154 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 12:57:06,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45694 states. [2022-01-28 12:57:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45694 to 23459. [2022-01-28 12:57:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23459 states, 23458 states have (on average 2.8658027112285787) internal successors, (67226), 23458 states have internal predecessors, (67226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23459 states to 23459 states and 67226 transitions. [2022-01-28 12:57:06,748 INFO L78 Accepts]: Start accepts. Automaton has 23459 states and 67226 transitions. Word has length 263 [2022-01-28 12:57:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:06,748 INFO L470 AbstractCegarLoop]: Abstraction has 23459 states and 67226 transitions. [2022-01-28 12:57:06,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 23459 states and 67226 transitions. [2022-01-28 12:57:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:06,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:06,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:06,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-28 12:57:06,782 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:06,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:06,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1875153459, now seen corresponding path program 46 times [2022-01-28 12:57:06,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:06,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292117310] [2022-01-28 12:57:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:06,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:06,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:06,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:06,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292117310] [2022-01-28 12:57:06,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292117310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:06,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:06,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 12:57:06,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947200196] [2022-01-28 12:57:06,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:06,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-28 12:57:06,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-28 12:57:06,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:57:06,993 INFO L87 Difference]: Start difference. First operand 23459 states and 67226 transitions. Second operand has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:07,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:07,995 INFO L93 Difference]: Finished difference Result 46175 states and 130368 transitions. [2022-01-28 12:57:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-28 12:57:07,995 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:07,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:08,101 INFO L225 Difference]: With dead ends: 46175 [2022-01-28 12:57:08,102 INFO L226 Difference]: Without dead ends: 46175 [2022-01-28 12:57:08,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=555, Invalid=2097, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 12:57:08,102 INFO L933 BasicCegarLoop]: 842 mSDtfsCounter, 2200 mSDsluCounter, 7975 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 8746 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:08,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2200 Valid, 8746 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 12:57:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46175 states. [2022-01-28 12:57:08,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46175 to 23131. [2022-01-28 12:57:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23131 states, 23130 states have (on average 2.854820579334198) internal successors, (66032), 23130 states have internal predecessors, (66032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 66032 transitions. [2022-01-28 12:57:09,003 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 66032 transitions. Word has length 263 [2022-01-28 12:57:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:09,003 INFO L470 AbstractCegarLoop]: Abstraction has 23131 states and 66032 transitions. [2022-01-28 12:57:09,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 66032 transitions. [2022-01-28 12:57:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:09,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:09,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:09,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-28 12:57:09,048 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:09,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:09,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1765305867, now seen corresponding path program 47 times [2022-01-28 12:57:09,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:09,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719953894] [2022-01-28 12:57:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:09,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:09,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:09,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719953894] [2022-01-28 12:57:09,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719953894] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:09,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:09,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:09,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041362796] [2022-01-28 12:57:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:09,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:09,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:09,292 INFO L87 Difference]: Start difference. First operand 23131 states and 66032 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:10,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:10,371 INFO L93 Difference]: Finished difference Result 30962 states and 87463 transitions. [2022-01-28 12:57:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-28 12:57:10,371 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:10,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:10,438 INFO L225 Difference]: With dead ends: 30962 [2022-01-28 12:57:10,438 INFO L226 Difference]: Without dead ends: 30962 [2022-01-28 12:57:10,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=420, Invalid=1560, Unknown=0, NotChecked=0, Total=1980 [2022-01-28 12:57:10,439 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 2148 mSDsluCounter, 6937 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 7569 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:10,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2148 Valid, 7569 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:57:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30962 states. [2022-01-28 12:57:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30962 to 23095. [2022-01-28 12:57:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23095 states, 23094 states have (on average 2.8544643630380184) internal successors, (65921), 23094 states have internal predecessors, (65921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23095 states to 23095 states and 65921 transitions. [2022-01-28 12:57:11,082 INFO L78 Accepts]: Start accepts. Automaton has 23095 states and 65921 transitions. Word has length 263 [2022-01-28 12:57:11,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:11,082 INFO L470 AbstractCegarLoop]: Abstraction has 23095 states and 65921 transitions. [2022-01-28 12:57:11,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 23095 states and 65921 transitions. [2022-01-28 12:57:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:11,116 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:11,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:11,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-28 12:57:11,117 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:11,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:11,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1213999303, now seen corresponding path program 48 times [2022-01-28 12:57:11,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:11,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486557396] [2022-01-28 12:57:11,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:11,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:11,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:11,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486557396] [2022-01-28 12:57:11,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486557396] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:11,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:11,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:11,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600122212] [2022-01-28 12:57:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:11,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:11,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:11,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:11,358 INFO L87 Difference]: Start difference. First operand 23095 states and 65921 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:12,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:12,922 INFO L93 Difference]: Finished difference Result 62894 states and 177078 transitions. [2022-01-28 12:57:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 12:57:12,923 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:13,074 INFO L225 Difference]: With dead ends: 62894 [2022-01-28 12:57:13,075 INFO L226 Difference]: Without dead ends: 62894 [2022-01-28 12:57:13,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=673, Invalid=2407, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 12:57:13,075 INFO L933 BasicCegarLoop]: 1030 mSDtfsCounter, 2502 mSDsluCounter, 9013 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 9912 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:13,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2502 Valid, 9912 Invalid, 1900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:57:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62894 states. [2022-01-28 12:57:13,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62894 to 23527. [2022-01-28 12:57:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23527 states, 23526 states have (on average 2.8668281900875625) internal successors, (67445), 23526 states have internal predecessors, (67445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23527 states to 23527 states and 67445 transitions. [2022-01-28 12:57:14,122 INFO L78 Accepts]: Start accepts. Automaton has 23527 states and 67445 transitions. Word has length 263 [2022-01-28 12:57:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:14,123 INFO L470 AbstractCegarLoop]: Abstraction has 23527 states and 67445 transitions. [2022-01-28 12:57:14,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 23527 states and 67445 transitions. [2022-01-28 12:57:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:14,165 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:14,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:14,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-28 12:57:14,165 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:14,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:14,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2128998161, now seen corresponding path program 49 times [2022-01-28 12:57:14,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:14,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705147110] [2022-01-28 12:57:14,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:14,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:14,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:14,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705147110] [2022-01-28 12:57:14,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705147110] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:14,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:14,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:14,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819865210] [2022-01-28 12:57:14,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:14,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:14,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:14,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:14,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:14,462 INFO L87 Difference]: Start difference. First operand 23527 states and 67445 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:16,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:16,189 INFO L93 Difference]: Finished difference Result 63551 states and 179223 transitions. [2022-01-28 12:57:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 12:57:16,190 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:16,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:16,353 INFO L225 Difference]: With dead ends: 63551 [2022-01-28 12:57:16,353 INFO L226 Difference]: Without dead ends: 63551 [2022-01-28 12:57:16,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=712, Invalid=2594, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 12:57:16,354 INFO L933 BasicCegarLoop]: 1114 mSDtfsCounter, 2580 mSDsluCounter, 10061 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 11063 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:16,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2580 Valid, 11063 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 12:57:16,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63551 states. [2022-01-28 12:57:17,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63551 to 23191. [2022-01-28 12:57:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23191 states, 23190 states have (on average 2.855584303579129) internal successors, (66221), 23190 states have internal predecessors, (66221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23191 states to 23191 states and 66221 transitions. [2022-01-28 12:57:17,351 INFO L78 Accepts]: Start accepts. Automaton has 23191 states and 66221 transitions. Word has length 263 [2022-01-28 12:57:17,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:17,351 INFO L470 AbstractCegarLoop]: Abstraction has 23191 states and 66221 transitions. [2022-01-28 12:57:17,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 23191 states and 66221 transitions. [2022-01-28 12:57:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:17,397 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:17,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:17,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-28 12:57:17,397 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:17,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash -844578819, now seen corresponding path program 50 times [2022-01-28 12:57:17,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:17,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501523565] [2022-01-28 12:57:17,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:17,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:17,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:17,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501523565] [2022-01-28 12:57:17,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501523565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:17,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:17,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:17,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583275642] [2022-01-28 12:57:17,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:17,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:17,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:17,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:17,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:17,651 INFO L87 Difference]: Start difference. First operand 23191 states and 66221 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:19,199 INFO L93 Difference]: Finished difference Result 48251 states and 136142 transitions. [2022-01-28 12:57:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-28 12:57:19,200 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:19,307 INFO L225 Difference]: With dead ends: 48251 [2022-01-28 12:57:19,307 INFO L226 Difference]: Without dead ends: 48251 [2022-01-28 12:57:19,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=2167, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 12:57:19,308 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 2164 mSDsluCounter, 8406 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 9271 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:19,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2164 Valid, 9271 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 12:57:19,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48251 states. [2022-01-28 12:57:20,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48251 to 23159. [2022-01-28 12:57:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23159 states, 23158 states have (on average 2.8552120217635375) internal successors, (66121), 23158 states have internal predecessors, (66121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23159 states to 23159 states and 66121 transitions. [2022-01-28 12:57:20,168 INFO L78 Accepts]: Start accepts. Automaton has 23159 states and 66121 transitions. Word has length 263 [2022-01-28 12:57:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:20,169 INFO L470 AbstractCegarLoop]: Abstraction has 23159 states and 66121 transitions. [2022-01-28 12:57:20,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 23159 states and 66121 transitions. [2022-01-28 12:57:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-01-28 12:57:20,206 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:20,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:20,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-28 12:57:20,214 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:20,215 INFO L85 PathProgramCache]: Analyzing trace with hash -884830695, now seen corresponding path program 51 times [2022-01-28 12:57:20,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:20,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498340446] [2022-01-28 12:57:20,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:20,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:20,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:20,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498340446] [2022-01-28 12:57:20,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498340446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:20,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:20,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 12:57:20,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087414493] [2022-01-28 12:57:20,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:20,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 12:57:20,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 12:57:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:57:20,540 INFO L87 Difference]: Start difference. First operand 23159 states and 66121 transitions. Second operand has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:22,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:22,235 INFO L93 Difference]: Finished difference Result 51186 states and 143624 transitions. [2022-01-28 12:57:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 12:57:22,236 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 13.842105263157896) internal successors, (263), 19 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-01-28 12:57:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:22,356 INFO L225 Difference]: With dead ends: 51186 [2022-01-28 12:57:22,357 INFO L226 Difference]: Without dead ends: 51186 [2022-01-28 12:57:22,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=616, Invalid=2246, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 12:57:22,357 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 2335 mSDsluCounter, 8439 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2335 SdHoareTripleChecker+Valid, 9333 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:22,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2335 Valid, 9333 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 12:57:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51186 states.