/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-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 16:54:43,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 16:54:43,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 16:54:43,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 16:54:43,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 16:54:43,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 16:54:43,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 16:54:43,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 16:54:43,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 16:54:43,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 16:54:43,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 16:54:43,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 16:54:43,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 16:54:43,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 16:54:43,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 16:54:43,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 16:54:43,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-03 16:54:43,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 16:54:43,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 16:54:43,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 16:54:43,200 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 [2022-03-03 16:54:43,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 16:54:43,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 16:54:43,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 16:54:43,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 16:54:43,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 16:54:43,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 16:54:43,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 16:54:43,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 16:54:43,226 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 16:54:43,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 16:54:43,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 16:54:43,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 16:54:43,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 16:54:43,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 16:54:43,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:54:43,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 16:54:43,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 16:54:43,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 16:54:43,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 16:54:43,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 16:54:43,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 16:54:43,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 16:54:43,446 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 16:54:43,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2022-03-03 16:54:43,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b9302f5/8659042138294dc1a7ce7e7d45803fca/FLAGb9ac836f5 [2022-03-03 16:54:43,860 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 16:54:43,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2022-03-03 16:54:43,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b9302f5/8659042138294dc1a7ce7e7d45803fca/FLAGb9ac836f5 [2022-03-03 16:54:43,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b9302f5/8659042138294dc1a7ce7e7d45803fca [2022-03-03 16:54:43,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 16:54:43,885 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 16:54:43,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 16:54:43,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 16:54:43,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 16:54:43,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:54:43" (1/1) ... [2022-03-03 16:54:43,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e59a664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:43, skipping insertion in model container [2022-03-03 16:54:43,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:54:43" (1/1) ... [2022-03-03 16:54:43,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 16:54:43,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 16:54:44,126 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-chromosome-symm.wvr.c[2695,2708] [2022-03-03 16:54:44,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:54:44,148 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 16:54:44,176 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-chromosome-symm.wvr.c[2695,2708] [2022-03-03 16:54:44,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:54:44,190 INFO L208 MainTranslator]: Completed translation [2022-03-03 16:54:44,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44 WrapperNode [2022-03-03 16:54:44,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 16:54:44,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 16:54:44,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 16:54:44,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 16:54:44,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,234 INFO L137 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 202 [2022-03-03 16:54:44,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 16:54:44,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 16:54:44,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 16:54:44,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 16:54:44,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 16:54:44,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 16:54:44,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 16:54:44,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 16:54:44,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (1/1) ... [2022-03-03 16:54:44,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:54:44,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:54:44,325 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) [2022-03-03 16:54:44,331 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 [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 16:54:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 16:54:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 16:54:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 16:54:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 16:54:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-03 16:54:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 16:54:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 16:54:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 16:54:44,355 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 16:54:44,412 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 16:54:44,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 16:54:44,707 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 16:54:44,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 16:54:44,715 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-03 16:54:44,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:54:44 BoogieIcfgContainer [2022-03-03 16:54:44,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 16:54:44,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 16:54:44,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 16:54:44,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 16:54:44,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:54:43" (1/3) ... [2022-03-03 16:54:44,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504203e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:54:44, skipping insertion in model container [2022-03-03 16:54:44,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:54:44" (2/3) ... [2022-03-03 16:54:44,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504203e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:54:44, skipping insertion in model container [2022-03-03 16:54:44,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:54:44" (3/3) ... [2022-03-03 16:54:44,733 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2022-03-03 16:54:44,736 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 16:54:44,736 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 16:54:44,736 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 16:54:44,737 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 16:54:44,773 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,776 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,776 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,776 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,776 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,776 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,777 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,778 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,802 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,803 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,804 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,805 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,806 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:54:44,823 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-03 16:54:44,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 16:54:44,856 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, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 16:54:44,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-03 16:54:44,869 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 272 transitions, 560 flow [2022-03-03 16:54:45,174 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-03 16:54:45,267 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:45,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:45,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:45,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1901718774, now seen corresponding path program 1 times [2022-03-03 16:54:45,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:45,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604322145] [2022-03-03 16:54:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:45,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:54:45,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:45,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604322145] [2022-03-03 16:54:45,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604322145] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:45,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:45,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 16:54:45,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390365464] [2022-03-03 16:54:45,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:45,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 16:54:45,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:45,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 16:54:45,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 16:54:45,546 INFO L87 Difference]: Start difference. First operand has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 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 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:45,650 INFO L93 Difference]: Finished difference Result 11835 states and 32410 transitions. [2022-03-03 16:54:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 16:54:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-03 16:54:45,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:45,719 INFO L225 Difference]: With dead ends: 11835 [2022-03-03 16:54:45,719 INFO L226 Difference]: Without dead ends: 10565 [2022-03-03 16:54:45,721 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 [2022-03-03 16:54:45,724 INFO L933 BasicCegarLoop]: 240 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, 240 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 [2022-03-03 16:54:45,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:54:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10565 states. [2022-03-03 16:54:46,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10565 to 10565. [2022-03-03 16:54:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10565 states, 10564 states have (on average 2.7381673608481636) internal successors, (28926), 10564 states have internal predecessors, (28926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10565 states to 10565 states and 28926 transitions. [2022-03-03 16:54:46,113 INFO L78 Accepts]: Start accepts. Automaton has 10565 states and 28926 transitions. Word has length 147 [2022-03-03 16:54:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:46,115 INFO L470 AbstractCegarLoop]: Abstraction has 10565 states and 28926 transitions. [2022-03-03 16:54:46,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 10565 states and 28926 transitions. [2022-03-03 16:54:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-03 16:54:46,143 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:46,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:46,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 16:54:46,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash 417763258, now seen corresponding path program 1 times [2022-03-03 16:54:46,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:46,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294357626] [2022-03-03 16:54:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:46,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:54:46,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:46,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294357626] [2022-03-03 16:54:46,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294357626] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:46,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:46,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 16:54:46,313 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985237755] [2022-03-03 16:54:46,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:46,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 16:54:46,314 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:46,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 16:54:46,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-03 16:54:46,314 INFO L87 Difference]: Start difference. First operand 10565 states and 28926 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:46,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:46,489 INFO L93 Difference]: Finished difference Result 10577 states and 28938 transitions. [2022-03-03 16:54:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 16:54:46,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-03 16:54:46,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:46,519 INFO L225 Difference]: With dead ends: 10577 [2022-03-03 16:54:46,520 INFO L226 Difference]: Without dead ends: 10577 [2022-03-03 16:54:46,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:46,521 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 429 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:46,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 437 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:54:46,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10577 states. [2022-03-03 16:54:46,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10577 to 10567. [2022-03-03 16:54:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 2.7378383494226766) internal successors, (28928), 10566 states have internal predecessors, (28928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 28928 transitions. [2022-03-03 16:54:46,754 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 28928 transitions. Word has length 147 [2022-03-03 16:54:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:46,757 INFO L470 AbstractCegarLoop]: Abstraction has 10567 states and 28928 transitions. [2022-03-03 16:54:46,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 28928 transitions. [2022-03-03 16:54:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-03-03 16:54:46,775 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:46,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:46,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 16:54:46,776 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1831897314, now seen corresponding path program 1 times [2022-03-03 16:54:46,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:46,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64880103] [2022-03-03 16:54:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:46,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 16:54:46,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:46,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64880103] [2022-03-03 16:54:46,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64880103] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:54:46,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565907921] [2022-03-03 16:54:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:46,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:54:46,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:54:46,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 16:54:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:47,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-03 16:54:47,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:54:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 16:54:47,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:54:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 16:54:47,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565907921] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:54:47,635 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:54:47,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-03-03 16:54:47,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916883326] [2022-03-03 16:54:47,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:54:47,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-03 16:54:47,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:47,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-03 16:54:47,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:54:47,639 INFO L87 Difference]: Start difference. First operand 10567 states and 28928 transitions. Second operand has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:47,820 INFO L93 Difference]: Finished difference Result 10595 states and 28956 transitions. [2022-03-03 16:54:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 16:54:47,821 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-03-03 16:54:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:47,845 INFO L225 Difference]: With dead ends: 10595 [2022-03-03 16:54:47,845 INFO L226 Difference]: Without dead ends: 10595 [2022-03-03 16:54:47,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2022-03-03 16:54:47,848 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 908 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:47,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 1058 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:47,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10595 states. [2022-03-03 16:54:48,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10595 to 10595. [2022-03-03 16:54:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10595 states, 10594 states have (on average 2.73324523315084) internal successors, (28956), 10594 states have internal predecessors, (28956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10595 states to 10595 states and 28956 transitions. [2022-03-03 16:54:48,070 INFO L78 Accepts]: Start accepts. Automaton has 10595 states and 28956 transitions. Word has length 161 [2022-03-03 16:54:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:48,070 INFO L470 AbstractCegarLoop]: Abstraction has 10595 states and 28956 transitions. [2022-03-03 16:54:48,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10595 states and 28956 transitions. [2022-03-03 16:54:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-03 16:54:48,094 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:48,094 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:48,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-03 16:54:48,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:48,308 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash -634877598, now seen corresponding path program 2 times [2022-03-03 16:54:48,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:48,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63276353] [2022-03-03 16:54:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:48,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 16:54:48,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:48,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63276353] [2022-03-03 16:54:48,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63276353] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:54:48,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271398117] [2022-03-03 16:54:48,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 16:54:48,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:48,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:54:48,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:54:48,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 16:54:48,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-03 16:54:48,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:54:48,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 16:54:48,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:54:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-03 16:54:48,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 16:54:48,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271398117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:48,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 16:54:48,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-03-03 16:54:48,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137831428] [2022-03-03 16:54:48,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:48,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:54:48,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:48,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:54:48,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:54:48,865 INFO L87 Difference]: Start difference. First operand 10595 states and 28956 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:49,141 INFO L93 Difference]: Finished difference Result 17422 states and 47718 transitions. [2022-03-03 16:54:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:54:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-03 16:54:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:49,181 INFO L225 Difference]: With dead ends: 17422 [2022-03-03 16:54:49,181 INFO L226 Difference]: Without dead ends: 17422 [2022-03-03 16:54:49,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2022-03-03 16:54:49,184 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 855 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:49,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 1641 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:49,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17422 states. [2022-03-03 16:54:49,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17422 to 11327. [2022-03-03 16:54:49,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 11326 states have (on average 2.7511036553063746) internal successors, (31159), 11326 states have internal predecessors, (31159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 31159 transitions. [2022-03-03 16:54:49,533 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 31159 transitions. Word has length 189 [2022-03-03 16:54:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:49,534 INFO L470 AbstractCegarLoop]: Abstraction has 11327 states and 31159 transitions. [2022-03-03 16:54:49,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 31159 transitions. [2022-03-03 16:54:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-03 16:54:49,553 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:49,554 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:49,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 16:54:49,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-03 16:54:49,771 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:49,772 INFO L85 PathProgramCache]: Analyzing trace with hash 357756226, now seen corresponding path program 1 times [2022-03-03 16:54:49,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:49,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235729791] [2022-03-03 16:54:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-03 16:54:49,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:49,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235729791] [2022-03-03 16:54:49,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235729791] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:49,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:49,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 16:54:49,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031229450] [2022-03-03 16:54:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:49,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 16:54:49,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:49,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 16:54:49,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-03 16:54:49,819 INFO L87 Difference]: Start difference. First operand 11327 states and 31159 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:49,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:49,918 INFO L93 Difference]: Finished difference Result 20301 states and 55455 transitions. [2022-03-03 16:54:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 16:54:49,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-03 16:54:49,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:49,964 INFO L225 Difference]: With dead ends: 20301 [2022-03-03 16:54:49,964 INFO L226 Difference]: Without dead ends: 20118 [2022-03-03 16:54:49,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-03 16:54:49,965 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 283 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:49,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 882 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:54:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20118 states. [2022-03-03 16:54:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20118 to 11550. [2022-03-03 16:54:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11550 states, 11549 states have (on average 2.7529656247294136) internal successors, (31794), 11549 states have internal predecessors, (31794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11550 states to 11550 states and 31794 transitions. [2022-03-03 16:54:50,407 INFO L78 Accepts]: Start accepts. Automaton has 11550 states and 31794 transitions. Word has length 189 [2022-03-03 16:54:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:50,407 INFO L470 AbstractCegarLoop]: Abstraction has 11550 states and 31794 transitions. [2022-03-03 16:54:50,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 11550 states and 31794 transitions. [2022-03-03 16:54:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-03 16:54:50,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:50,424 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:50,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 16:54:50,424 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash -687867362, now seen corresponding path program 3 times [2022-03-03 16:54:50,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:50,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485394529] [2022-03-03 16:54:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 16:54:50,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:50,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485394529] [2022-03-03 16:54:50,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485394529] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:54:50,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963530499] [2022-03-03 16:54:50,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 16:54:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:50,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:54:50,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:54:50,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 16:54:50,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-03 16:54:50,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:54:50,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 16:54:50,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:54:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-03 16:54:50,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 16:54:50,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963530499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:50,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 16:54:50,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-03-03 16:54:50,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38303347] [2022-03-03 16:54:50,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:50,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:54:50,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:50,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:54:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:54:50,946 INFO L87 Difference]: Start difference. First operand 11550 states and 31794 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:51,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:51,357 INFO L93 Difference]: Finished difference Result 22700 states and 62199 transitions. [2022-03-03 16:54:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:54:51,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-03 16:54:51,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:51,409 INFO L225 Difference]: With dead ends: 22700 [2022-03-03 16:54:51,409 INFO L226 Difference]: Without dead ends: 22434 [2022-03-03 16:54:51,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-03-03 16:54:51,410 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 715 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:51,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 1753 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:51,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22434 states. [2022-03-03 16:54:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22434 to 11566. [2022-03-03 16:54:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11566 states, 11565 states have (on average 2.752961521833117) internal successors, (31838), 11565 states have internal predecessors, (31838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11566 states to 11566 states and 31838 transitions. [2022-03-03 16:54:51,688 INFO L78 Accepts]: Start accepts. Automaton has 11566 states and 31838 transitions. Word has length 189 [2022-03-03 16:54:51,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:51,688 INFO L470 AbstractCegarLoop]: Abstraction has 11566 states and 31838 transitions. [2022-03-03 16:54:51,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 11566 states and 31838 transitions. [2022-03-03 16:54:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-03 16:54:51,784 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:51,784 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:51,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-03 16:54:51,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:51,985 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash -477297476, now seen corresponding path program 4 times [2022-03-03 16:54:51,985 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:51,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720057430] [2022-03-03 16:54:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 16:54:52,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:52,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720057430] [2022-03-03 16:54:52,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720057430] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:54:52,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854135826] [2022-03-03 16:54:52,088 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 16:54:52,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:54:52,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:54:52,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 16:54:52,201 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 16:54:52,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:54:52,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-03 16:54:52,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:54:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 16:54:52,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:54:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 16:54:52,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854135826] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:54:52,675 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:54:52,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-03-03 16:54:52,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124362498] [2022-03-03 16:54:52,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:54:52,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-03 16:54:52,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:52,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-03 16:54:52,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-03-03 16:54:52,677 INFO L87 Difference]: Start difference. First operand 11566 states and 31838 transitions. Second operand has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:52,963 INFO L93 Difference]: Finished difference Result 11594 states and 31866 transitions. [2022-03-03 16:54:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 16:54:52,964 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-03 16:54:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:52,987 INFO L225 Difference]: With dead ends: 11594 [2022-03-03 16:54:52,987 INFO L226 Difference]: Without dead ends: 11594 [2022-03-03 16:54:52,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2022-03-03 16:54:52,989 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 774 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:52,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [774 Valid, 1729 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11594 states. [2022-03-03 16:54:53,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11594 to 11594. [2022-03-03 16:54:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11594 states, 11593 states have (on average 2.7487276804968515) internal successors, (31866), 11593 states have internal predecessors, (31866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11594 states to 11594 states and 31866 transitions. [2022-03-03 16:54:53,236 INFO L78 Accepts]: Start accepts. Automaton has 11594 states and 31866 transitions. Word has length 189 [2022-03-03 16:54:53,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:53,236 INFO L470 AbstractCegarLoop]: Abstraction has 11594 states and 31866 transitions. [2022-03-03 16:54:53,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 11594 states and 31866 transitions. [2022-03-03 16:54:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:53,250 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:53,250 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:53,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-03 16:54:53,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:54:53,467 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:53,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash 669254972, now seen corresponding path program 5 times [2022-03-03 16:54:53,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:53,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866296199] [2022-03-03 16:54:53,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:53,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:53,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866296199] [2022-03-03 16:54:53,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866296199] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:53,588 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:53,588 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:53,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874383439] [2022-03-03 16:54:53,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:53,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:53,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:53,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:53,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:53,589 INFO L87 Difference]: Start difference. First operand 11594 states and 31866 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:53,892 INFO L93 Difference]: Finished difference Result 29003 states and 79668 transitions. [2022-03-03 16:54:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:54:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:53,947 INFO L225 Difference]: With dead ends: 29003 [2022-03-03 16:54:53,947 INFO L226 Difference]: Without dead ends: 28975 [2022-03-03 16:54:53,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:54:53,948 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 807 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:53,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 2096 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28975 states. [2022-03-03 16:54:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28975 to 11590. [2022-03-03 16:54:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11590 states, 11589 states have (on average 2.7487272413495556) internal successors, (31855), 11589 states have internal predecessors, (31855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11590 states to 11590 states and 31855 transitions. [2022-03-03 16:54:54,371 INFO L78 Accepts]: Start accepts. Automaton has 11590 states and 31855 transitions. Word has length 217 [2022-03-03 16:54:54,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:54,372 INFO L470 AbstractCegarLoop]: Abstraction has 11590 states and 31855 transitions. [2022-03-03 16:54:54,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 11590 states and 31855 transitions. [2022-03-03 16:54:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:54,385 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:54,386 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:54,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 16:54:54,386 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:54,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1010713990, now seen corresponding path program 6 times [2022-03-03 16:54:54,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:54,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617959429] [2022-03-03 16:54:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:54,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:54,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617959429] [2022-03-03 16:54:54,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617959429] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:54,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:54,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:54,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94399834] [2022-03-03 16:54:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:54,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:54,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:54,650 INFO L87 Difference]: Start difference. First operand 11590 states and 31855 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:54,963 INFO L93 Difference]: Finished difference Result 37734 states and 103257 transitions. [2022-03-03 16:54:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:54:54,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:55,042 INFO L225 Difference]: With dead ends: 37734 [2022-03-03 16:54:55,042 INFO L226 Difference]: Without dead ends: 37472 [2022-03-03 16:54:55,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-03-03 16:54:55,043 INFO L933 BasicCegarLoop]: 442 mSDtfsCounter, 1063 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:55,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 1910 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37472 states. [2022-03-03 16:54:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37472 to 11622. [2022-03-03 16:54:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11622 states, 11621 states have (on average 2.7487307460631616) internal successors, (31943), 11621 states have internal predecessors, (31943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11622 states to 11622 states and 31943 transitions. [2022-03-03 16:54:55,500 INFO L78 Accepts]: Start accepts. Automaton has 11622 states and 31943 transitions. Word has length 217 [2022-03-03 16:54:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:55,501 INFO L470 AbstractCegarLoop]: Abstraction has 11622 states and 31943 transitions. [2022-03-03 16:54:55,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 11622 states and 31943 transitions. [2022-03-03 16:54:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:55,514 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:55,514 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:55,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 16:54:55,515 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash -800144104, now seen corresponding path program 7 times [2022-03-03 16:54:55,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:55,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229727113] [2022-03-03 16:54:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:55,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:55,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:55,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229727113] [2022-03-03 16:54:55,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229727113] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:55,634 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:55,634 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:55,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738332126] [2022-03-03 16:54:55,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:55,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:55,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:55,635 INFO L87 Difference]: Start difference. First operand 11622 states and 31943 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:56,025 INFO L93 Difference]: Finished difference Result 31084 states and 85462 transitions. [2022-03-03 16:54:56,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 16:54:56,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:56,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:56,096 INFO L225 Difference]: With dead ends: 31084 [2022-03-03 16:54:56,096 INFO L226 Difference]: Without dead ends: 31056 [2022-03-03 16:54:56,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:54:56,097 INFO L933 BasicCegarLoop]: 461 mSDtfsCounter, 1012 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:56,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 1480 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31056 states. [2022-03-03 16:54:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31056 to 11638. [2022-03-03 16:54:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11638 states, 11637 states have (on average 2.7494199535962878) internal successors, (31995), 11637 states have internal predecessors, (31995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11638 states to 11638 states and 31995 transitions. [2022-03-03 16:54:56,415 INFO L78 Accepts]: Start accepts. Automaton has 11638 states and 31995 transitions. Word has length 217 [2022-03-03 16:54:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:56,416 INFO L470 AbstractCegarLoop]: Abstraction has 11638 states and 31995 transitions. [2022-03-03 16:54:56,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 11638 states and 31995 transitions. [2022-03-03 16:54:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:56,457 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:56,457 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:56,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 16:54:56,457 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:56,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:56,458 INFO L85 PathProgramCache]: Analyzing trace with hash 917376408, now seen corresponding path program 8 times [2022-03-03 16:54:56,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:56,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280175840] [2022-03-03 16:54:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:56,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:56,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:56,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280175840] [2022-03-03 16:54:56,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280175840] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:56,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:56,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:56,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175332075] [2022-03-03 16:54:56,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:56,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:56,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:56,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:56,644 INFO L87 Difference]: Start difference. First operand 11638 states and 31995 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:56,838 INFO L93 Difference]: Finished difference Result 27078 states and 74369 transitions. [2022-03-03 16:54:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:54:56,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:56,881 INFO L225 Difference]: With dead ends: 27078 [2022-03-03 16:54:56,881 INFO L226 Difference]: Without dead ends: 26812 [2022-03-03 16:54:56,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:54:56,882 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 839 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:56,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 1326 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:56,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26812 states. [2022-03-03 16:54:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26812 to 11622. [2022-03-03 16:54:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11622 states, 11621 states have (on average 2.749074950520609) internal successors, (31947), 11621 states have internal predecessors, (31947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11622 states to 11622 states and 31947 transitions. [2022-03-03 16:54:57,173 INFO L78 Accepts]: Start accepts. Automaton has 11622 states and 31947 transitions. Word has length 217 [2022-03-03 16:54:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:57,173 INFO L470 AbstractCegarLoop]: Abstraction has 11622 states and 31947 transitions. [2022-03-03 16:54:57,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 11622 states and 31947 transitions. [2022-03-03 16:54:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:57,186 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:57,186 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:57,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 16:54:57,186 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:57,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:57,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1697941182, now seen corresponding path program 9 times [2022-03-03 16:54:57,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:57,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733525419] [2022-03-03 16:54:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:57,265 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:57,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733525419] [2022-03-03 16:54:57,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733525419] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:57,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:57,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:57,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141805266] [2022-03-03 16:54:57,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:57,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:57,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:57,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:57,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:57,267 INFO L87 Difference]: Start difference. First operand 11622 states and 31947 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:57,446 INFO L93 Difference]: Finished difference Result 28949 states and 79516 transitions. [2022-03-03 16:54:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:54:57,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:57,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:57,492 INFO L225 Difference]: With dead ends: 28949 [2022-03-03 16:54:57,492 INFO L226 Difference]: Without dead ends: 28869 [2022-03-03 16:54:57,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:54:57,493 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 481 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:57,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 1606 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:57,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28869 states. [2022-03-03 16:54:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28869 to 11614. [2022-03-03 16:54:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11614 states, 11613 states have (on average 2.7487298716955135) internal successors, (31921), 11613 states have internal predecessors, (31921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11614 states to 11614 states and 31921 transitions. [2022-03-03 16:54:57,848 INFO L78 Accepts]: Start accepts. Automaton has 11614 states and 31921 transitions. Word has length 217 [2022-03-03 16:54:57,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:57,848 INFO L470 AbstractCegarLoop]: Abstraction has 11614 states and 31921 transitions. [2022-03-03 16:54:57,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 11614 states and 31921 transitions. [2022-03-03 16:54:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 16:54:57,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:57,861 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:57,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 16:54:57,861 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1407598842, now seen corresponding path program 10 times [2022-03-03 16:54:57,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:57,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616024995] [2022-03-03 16:54:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:57,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:57,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:57,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616024995] [2022-03-03 16:54:57,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616024995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:57,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:57,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:57,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250554192] [2022-03-03 16:54:57,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:57,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:57,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:57,967 INFO L87 Difference]: Start difference. First operand 11614 states and 31921 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:58,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:58,241 INFO L93 Difference]: Finished difference Result 19298 states and 52937 transitions. [2022-03-03 16:54:58,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 16:54:58,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 16:54:58,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:58,276 INFO L225 Difference]: With dead ends: 19298 [2022-03-03 16:54:58,276 INFO L226 Difference]: Without dead ends: 19298 [2022-03-03 16:54:58,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:54:58,277 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 646 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:58,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1665 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:58,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19298 states. [2022-03-03 16:54:58,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19298 to 12182. [2022-03-03 16:54:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12182 states, 12181 states have (on average 2.7501026188326083) internal successors, (33499), 12181 states have internal predecessors, (33499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12182 states to 12182 states and 33499 transitions. [2022-03-03 16:54:58,516 INFO L78 Accepts]: Start accepts. Automaton has 12182 states and 33499 transitions. Word has length 217 [2022-03-03 16:54:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:58,516 INFO L470 AbstractCegarLoop]: Abstraction has 12182 states and 33499 transitions. [2022-03-03 16:54:58,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12182 states and 33499 transitions. [2022-03-03 16:54:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:54:58,532 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:58,533 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:58,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 16:54:58,533 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:58,534 INFO L85 PathProgramCache]: Analyzing trace with hash 443179207, now seen corresponding path program 1 times [2022-03-03 16:54:58,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:58,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3229421] [2022-03-03 16:54:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:58,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:54:58,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:58,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3229421] [2022-03-03 16:54:58,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3229421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:58,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:58,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:58,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180669297] [2022-03-03 16:54:58,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:58,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:58,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:58,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:58,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:58,640 INFO L87 Difference]: Start difference. First operand 12182 states and 33499 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:58,947 INFO L93 Difference]: Finished difference Result 28065 states and 77161 transitions. [2022-03-03 16:54:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:54:58,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:54:58,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:58,988 INFO L225 Difference]: With dead ends: 28065 [2022-03-03 16:54:58,989 INFO L226 Difference]: Without dead ends: 27960 [2022-03-03 16:54:58,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 16:54:58,989 INFO L933 BasicCegarLoop]: 439 mSDtfsCounter, 464 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:58,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1811 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27960 states. [2022-03-03 16:54:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27960 to 12226. [2022-03-03 16:54:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12226 states, 12225 states have (on average 2.7516564417177913) internal successors, (33639), 12225 states have internal predecessors, (33639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 33639 transitions. [2022-03-03 16:54:59,239 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 33639 transitions. Word has length 250 [2022-03-03 16:54:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:59,239 INFO L470 AbstractCegarLoop]: Abstraction has 12226 states and 33639 transitions. [2022-03-03 16:54:59,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 33639 transitions. [2022-03-03 16:54:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:54:59,254 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:59,254 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:59,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 16:54:59,254 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:59,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash -789159033, now seen corresponding path program 2 times [2022-03-03 16:54:59,255 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:59,255 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176097999] [2022-03-03 16:54:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:54:59,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:59,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176097999] [2022-03-03 16:54:59,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176097999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:59,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:59,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:59,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816667376] [2022-03-03 16:54:59,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:59,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:59,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:59,374 INFO L87 Difference]: Start difference. First operand 12226 states and 33639 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:59,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:54:59,592 INFO L93 Difference]: Finished difference Result 22681 states and 62170 transitions. [2022-03-03 16:54:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:54:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:54:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:54:59,626 INFO L225 Difference]: With dead ends: 22681 [2022-03-03 16:54:59,626 INFO L226 Difference]: Without dead ends: 22681 [2022-03-03 16:54:59,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-03 16:54:59,627 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 604 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:54:59,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 1491 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:54:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22681 states. [2022-03-03 16:54:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22681 to 12418. [2022-03-03 16:54:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12418 states, 12417 states have (on average 2.7525972457115246) internal successors, (34179), 12417 states have internal predecessors, (34179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12418 states to 12418 states and 34179 transitions. [2022-03-03 16:54:59,857 INFO L78 Accepts]: Start accepts. Automaton has 12418 states and 34179 transitions. Word has length 250 [2022-03-03 16:54:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:54:59,858 INFO L470 AbstractCegarLoop]: Abstraction has 12418 states and 34179 transitions. [2022-03-03 16:54:59,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:54:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12418 states and 34179 transitions. [2022-03-03 16:54:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:54:59,873 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:54:59,873 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:54:59,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 16:54:59,874 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:54:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:54:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash -683732655, now seen corresponding path program 3 times [2022-03-03 16:54:59,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:54:59,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261996147] [2022-03-03 16:54:59,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:54:59,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:54:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:54:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:54:59,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:54:59,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261996147] [2022-03-03 16:54:59,968 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261996147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:54:59,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:54:59,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:54:59,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331105087] [2022-03-03 16:54:59,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:54:59,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:54:59,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:54:59,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:54:59,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:54:59,970 INFO L87 Difference]: Start difference. First operand 12418 states and 34179 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:00,319 INFO L93 Difference]: Finished difference Result 28469 states and 78143 transitions. [2022-03-03 16:55:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:00,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:00,372 INFO L225 Difference]: With dead ends: 28469 [2022-03-03 16:55:00,372 INFO L226 Difference]: Without dead ends: 28434 [2022-03-03 16:55:00,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:00,372 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 634 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:00,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1485 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:00,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28434 states. [2022-03-03 16:55:00,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28434 to 12418. [2022-03-03 16:55:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12418 states, 12417 states have (on average 2.7519529677055647) internal successors, (34171), 12417 states have internal predecessors, (34171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12418 states to 12418 states and 34171 transitions. [2022-03-03 16:55:00,643 INFO L78 Accepts]: Start accepts. Automaton has 12418 states and 34171 transitions. Word has length 250 [2022-03-03 16:55:00,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:00,643 INFO L470 AbstractCegarLoop]: Abstraction has 12418 states and 34171 transitions. [2022-03-03 16:55:00,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12418 states and 34171 transitions. [2022-03-03 16:55:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:00,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:00,661 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:00,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 16:55:00,661 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:00,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:00,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1442601977, now seen corresponding path program 4 times [2022-03-03 16:55:00,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:00,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277763894] [2022-03-03 16:55:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:00,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:00,791 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:00,791 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277763894] [2022-03-03 16:55:00,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277763894] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:00,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:00,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:55:00,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054385151] [2022-03-03 16:55:00,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:00,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:55:00,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:55:00,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:55:00,792 INFO L87 Difference]: Start difference. First operand 12418 states and 34171 transitions. Second operand has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:00,972 INFO L93 Difference]: Finished difference Result 20695 states and 56797 transitions. [2022-03-03 16:55:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:55:00,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:01,009 INFO L225 Difference]: With dead ends: 20695 [2022-03-03 16:55:01,009 INFO L226 Difference]: Without dead ends: 20498 [2022-03-03 16:55:01,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:01,010 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 316 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:01,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 2103 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:01,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20498 states. [2022-03-03 16:55:01,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20498 to 12600. [2022-03-03 16:55:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12600 states, 12599 states have (on average 2.76593380427018) internal successors, (34848), 12599 states have internal predecessors, (34848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12600 states to 12600 states and 34848 transitions. [2022-03-03 16:55:01,318 INFO L78 Accepts]: Start accepts. Automaton has 12600 states and 34848 transitions. Word has length 250 [2022-03-03 16:55:01,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:01,319 INFO L470 AbstractCegarLoop]: Abstraction has 12600 states and 34848 transitions. [2022-03-03 16:55:01,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12600 states and 34848 transitions. [2022-03-03 16:55:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:01,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:01,340 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:01,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 16:55:01,340 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:01,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash 75588711, now seen corresponding path program 5 times [2022-03-03 16:55:01,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:01,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578088679] [2022-03-03 16:55:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:01,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:01,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578088679] [2022-03-03 16:55:01,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578088679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:01,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:01,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:01,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332893721] [2022-03-03 16:55:01,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:01,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:01,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:01,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:01,476 INFO L87 Difference]: Start difference. First operand 12600 states and 34848 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:01,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:01,710 INFO L93 Difference]: Finished difference Result 35875 states and 98435 transitions. [2022-03-03 16:55:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:01,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:01,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:01,781 INFO L225 Difference]: With dead ends: 35875 [2022-03-03 16:55:01,782 INFO L226 Difference]: Without dead ends: 35782 [2022-03-03 16:55:01,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:01,782 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 456 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:01,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 1739 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35782 states. [2022-03-03 16:55:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35782 to 12624. [2022-03-03 16:55:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7659035094668463) internal successors, (34914), 12623 states have internal predecessors, (34914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34914 transitions. [2022-03-03 16:55:02,161 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34914 transitions. Word has length 250 [2022-03-03 16:55:02,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:02,161 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34914 transitions. [2022-03-03 16:55:02,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34914 transitions. [2022-03-03 16:55:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:02,180 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:02,180 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:02,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 16:55:02,180 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1156749529, now seen corresponding path program 6 times [2022-03-03 16:55:02,181 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:02,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297767054] [2022-03-03 16:55:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:02,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:02,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297767054] [2022-03-03 16:55:02,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297767054] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:02,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:02,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:02,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823216753] [2022-03-03 16:55:02,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:02,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:02,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:02,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:02,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:02,285 INFO L87 Difference]: Start difference. First operand 12624 states and 34914 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:02,580 INFO L93 Difference]: Finished difference Result 42900 states and 117436 transitions. [2022-03-03 16:55:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:02,667 INFO L225 Difference]: With dead ends: 42900 [2022-03-03 16:55:02,668 INFO L226 Difference]: Without dead ends: 42716 [2022-03-03 16:55:02,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:02,669 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 790 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:02,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 1520 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42716 states. [2022-03-03 16:55:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42716 to 12632. [2022-03-03 16:55:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12631 states have (on average 2.765893436782519) internal successors, (34936), 12631 states have internal predecessors, (34936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 34936 transitions. [2022-03-03 16:55:03,155 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 34936 transitions. Word has length 250 [2022-03-03 16:55:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:03,156 INFO L470 AbstractCegarLoop]: Abstraction has 12632 states and 34936 transitions. [2022-03-03 16:55:03,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 34936 transitions. [2022-03-03 16:55:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:03,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:03,175 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:03,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 16:55:03,176 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:03,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1051323151, now seen corresponding path program 7 times [2022-03-03 16:55:03,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:03,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9560443] [2022-03-03 16:55:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:03,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:03,267 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:03,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9560443] [2022-03-03 16:55:03,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9560443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:03,267 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:03,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:03,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182473293] [2022-03-03 16:55:03,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:03,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:03,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:03,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:03,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:03,268 INFO L87 Difference]: Start difference. First operand 12632 states and 34936 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:03,558 INFO L93 Difference]: Finished difference Result 36925 states and 101331 transitions. [2022-03-03 16:55:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:55:03,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:03,633 INFO L225 Difference]: With dead ends: 36925 [2022-03-03 16:55:03,633 INFO L226 Difference]: Without dead ends: 36894 [2022-03-03 16:55:03,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:55:03,634 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 596 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:03,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 1850 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36894 states. [2022-03-03 16:55:03,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36894 to 12616. [2022-03-03 16:55:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12616 states, 12615 states have (on average 2.7659135949266744) internal successors, (34892), 12615 states have internal predecessors, (34892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12616 states to 12616 states and 34892 transitions. [2022-03-03 16:55:04,040 INFO L78 Accepts]: Start accepts. Automaton has 12616 states and 34892 transitions. Word has length 250 [2022-03-03 16:55:04,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:04,041 INFO L470 AbstractCegarLoop]: Abstraction has 12616 states and 34892 transitions. [2022-03-03 16:55:04,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12616 states and 34892 transitions. [2022-03-03 16:55:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:04,059 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:04,059 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:04,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-03 16:55:04,059 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:04,060 INFO L85 PathProgramCache]: Analyzing trace with hash -850633543, now seen corresponding path program 8 times [2022-03-03 16:55:04,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:04,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342716680] [2022-03-03 16:55:04,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:04,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:04,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:04,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342716680] [2022-03-03 16:55:04,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342716680] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:04,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:04,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:04,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85656168] [2022-03-03 16:55:04,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:04,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:04,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:04,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:04,159 INFO L87 Difference]: Start difference. First operand 12616 states and 34892 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:04,362 INFO L93 Difference]: Finished difference Result 29576 states and 80795 transitions. [2022-03-03 16:55:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:04,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:04,419 INFO L225 Difference]: With dead ends: 29576 [2022-03-03 16:55:04,420 INFO L226 Difference]: Without dead ends: 29392 [2022-03-03 16:55:04,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:04,420 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 739 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:04,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 1503 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29392 states. [2022-03-03 16:55:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29392 to 12632. [2022-03-03 16:55:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12631 states have (on average 2.765893436782519) internal successors, (34936), 12631 states have internal predecessors, (34936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 34936 transitions. [2022-03-03 16:55:04,755 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 34936 transitions. Word has length 250 [2022-03-03 16:55:04,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:04,756 INFO L470 AbstractCegarLoop]: Abstraction has 12632 states and 34936 transitions. [2022-03-03 16:55:04,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 34936 transitions. [2022-03-03 16:55:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:04,773 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:04,773 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:04,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-03 16:55:04,773 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:04,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:04,774 INFO L85 PathProgramCache]: Analyzing trace with hash 389047183, now seen corresponding path program 9 times [2022-03-03 16:55:04,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:04,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989629951] [2022-03-03 16:55:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:04,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:04,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:04,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989629951] [2022-03-03 16:55:04,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989629951] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:04,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:04,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:04,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477768791] [2022-03-03 16:55:04,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:04,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:04,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:04,855 INFO L87 Difference]: Start difference. First operand 12632 states and 34936 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:05,146 INFO L93 Difference]: Finished difference Result 36879 states and 101203 transitions. [2022-03-03 16:55:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:55:05,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:05,214 INFO L225 Difference]: With dead ends: 36879 [2022-03-03 16:55:05,214 INFO L226 Difference]: Without dead ends: 36848 [2022-03-03 16:55:05,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:55:05,215 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 797 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:05,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 1705 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:05,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36848 states. [2022-03-03 16:55:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36848 to 12624. [2022-03-03 16:55:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7659035094668463) internal successors, (34914), 12623 states have internal predecessors, (34914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34914 transitions. [2022-03-03 16:55:05,674 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34914 transitions. Word has length 250 [2022-03-03 16:55:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:05,675 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34914 transitions. [2022-03-03 16:55:05,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34914 transitions. [2022-03-03 16:55:05,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:05,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:05,694 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:05,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-03 16:55:05,694 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:05,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash -81936489, now seen corresponding path program 10 times [2022-03-03 16:55:05,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:05,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618152691] [2022-03-03 16:55:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:05,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:05,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618152691] [2022-03-03 16:55:05,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618152691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:05,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:05,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:05,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997446405] [2022-03-03 16:55:05,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:05,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:05,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:05,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:05,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:05,837 INFO L87 Difference]: Start difference. First operand 12624 states and 34914 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:06,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:06,089 INFO L93 Difference]: Finished difference Result 29087 states and 79459 transitions. [2022-03-03 16:55:06,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:06,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:06,152 INFO L225 Difference]: With dead ends: 29087 [2022-03-03 16:55:06,152 INFO L226 Difference]: Without dead ends: 28994 [2022-03-03 16:55:06,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:06,153 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 470 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:06,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 2016 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28994 states. [2022-03-03 16:55:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28994 to 12616. [2022-03-03 16:55:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12616 states, 12615 states have (on average 2.7652794292508918) internal successors, (34884), 12615 states have internal predecessors, (34884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12616 states to 12616 states and 34884 transitions. [2022-03-03 16:55:06,506 INFO L78 Accepts]: Start accepts. Automaton has 12616 states and 34884 transitions. Word has length 250 [2022-03-03 16:55:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:06,506 INFO L470 AbstractCegarLoop]: Abstraction has 12616 states and 34884 transitions. [2022-03-03 16:55:06,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 12616 states and 34884 transitions. [2022-03-03 16:55:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:06,525 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:06,525 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:06,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-03 16:55:06,526 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1314274729, now seen corresponding path program 11 times [2022-03-03 16:55:06,526 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:06,526 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739039062] [2022-03-03 16:55:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:06,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:06,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739039062] [2022-03-03 16:55:06,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739039062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:06,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:06,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:06,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492641278] [2022-03-03 16:55:06,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:06,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:06,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:06,626 INFO L87 Difference]: Start difference. First operand 12616 states and 34884 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:06,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:06,878 INFO L93 Difference]: Finished difference Result 37622 states and 102510 transitions. [2022-03-03 16:55:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:55:06,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:06,947 INFO L225 Difference]: With dead ends: 37622 [2022-03-03 16:55:06,947 INFO L226 Difference]: Without dead ends: 37398 [2022-03-03 16:55:06,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:06,948 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 978 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:06,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 1558 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37398 states. [2022-03-03 16:55:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37398 to 12624. [2022-03-03 16:55:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7652697457022897) internal successors, (34906), 12623 states have internal predecessors, (34906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34906 transitions. [2022-03-03 16:55:07,333 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34906 transitions. Word has length 250 [2022-03-03 16:55:07,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:07,333 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34906 transitions. [2022-03-03 16:55:07,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:07,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34906 transitions. [2022-03-03 16:55:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:07,352 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:07,352 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:07,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-03 16:55:07,353 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:07,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:07,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1208848351, now seen corresponding path program 12 times [2022-03-03 16:55:07,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:07,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031622971] [2022-03-03 16:55:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:07,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:07,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031622971] [2022-03-03 16:55:07,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031622971] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:07,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:07,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:07,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514780364] [2022-03-03 16:55:07,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:07,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:07,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:07,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:07,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:07,449 INFO L87 Difference]: Start difference. First operand 12624 states and 34906 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:07,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:07,747 INFO L93 Difference]: Finished difference Result 30137 states and 82355 transitions. [2022-03-03 16:55:07,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 16:55:07,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:07,815 INFO L225 Difference]: With dead ends: 30137 [2022-03-03 16:55:07,815 INFO L226 Difference]: Without dead ends: 30106 [2022-03-03 16:55:07,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:55:07,816 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 679 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:07,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 2229 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:07,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30106 states. [2022-03-03 16:55:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30106 to 12608. [2022-03-03 16:55:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12607 states have (on average 2.765289125089236) internal successors, (34862), 12607 states have internal predecessors, (34862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 34862 transitions. [2022-03-03 16:55:08,162 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 34862 transitions. Word has length 250 [2022-03-03 16:55:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:08,162 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 34862 transitions. [2022-03-03 16:55:08,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 34862 transitions. [2022-03-03 16:55:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:08,180 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:08,180 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:08,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-03 16:55:08,180 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:08,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1008158743, now seen corresponding path program 13 times [2022-03-03 16:55:08,181 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:08,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702129904] [2022-03-03 16:55:08,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:08,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:08,262 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:08,262 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702129904] [2022-03-03 16:55:08,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702129904] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:08,263 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:08,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:08,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493887485] [2022-03-03 16:55:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:08,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:08,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:08,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:08,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:08,264 INFO L87 Difference]: Start difference. First operand 12608 states and 34862 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:08,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:08,473 INFO L93 Difference]: Finished difference Result 26537 states and 72510 transitions. [2022-03-03 16:55:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:55:08,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:08,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:08,530 INFO L225 Difference]: With dead ends: 26537 [2022-03-03 16:55:08,531 INFO L226 Difference]: Without dead ends: 26313 [2022-03-03 16:55:08,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:08,531 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 659 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:08,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 1400 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:08,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26313 states. [2022-03-03 16:55:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26313 to 12624. [2022-03-03 16:55:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7652697457022897) internal successors, (34906), 12623 states have internal predecessors, (34906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34906 transitions. [2022-03-03 16:55:08,848 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34906 transitions. Word has length 250 [2022-03-03 16:55:08,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:08,848 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34906 transitions. [2022-03-03 16:55:08,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34906 transitions. [2022-03-03 16:55:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:08,864 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:08,864 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:08,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-03 16:55:08,865 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:08,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash 231521983, now seen corresponding path program 14 times [2022-03-03 16:55:08,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:08,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366751403] [2022-03-03 16:55:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:08,948 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:08,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366751403] [2022-03-03 16:55:08,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366751403] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:08,948 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:08,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:08,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388771111] [2022-03-03 16:55:08,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:08,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:08,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:08,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:08,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:08,949 INFO L87 Difference]: Start difference. First operand 12624 states and 34906 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:09,261 INFO L93 Difference]: Finished difference Result 28995 states and 79177 transitions. [2022-03-03 16:55:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:55:09,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:09,313 INFO L225 Difference]: With dead ends: 28995 [2022-03-03 16:55:09,314 INFO L226 Difference]: Without dead ends: 28964 [2022-03-03 16:55:09,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:55:09,318 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 847 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:09,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 1921 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:09,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28964 states. [2022-03-03 16:55:09,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28964 to 12592. [2022-03-03 16:55:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12592 states, 12591 states have (on average 2.765308553728854) internal successors, (34818), 12591 states have internal predecessors, (34818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12592 states to 12592 states and 34818 transitions. [2022-03-03 16:55:09,651 INFO L78 Accepts]: Start accepts. Automaton has 12592 states and 34818 transitions. Word has length 250 [2022-03-03 16:55:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:09,651 INFO L470 AbstractCegarLoop]: Abstraction has 12592 states and 34818 transitions. [2022-03-03 16:55:09,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand 12592 states and 34818 transitions. [2022-03-03 16:55:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:09,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:09,673 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:09,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-03 16:55:09,675 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash -2003647307, now seen corresponding path program 15 times [2022-03-03 16:55:09,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:09,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997586859] [2022-03-03 16:55:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:09,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:09,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997586859] [2022-03-03 16:55:09,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997586859] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:09,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:09,781 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:09,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643179541] [2022-03-03 16:55:09,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:09,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:09,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:09,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:09,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:09,782 INFO L87 Difference]: Start difference. First operand 12592 states and 34818 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:10,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:10,046 INFO L93 Difference]: Finished difference Result 25323 states and 69019 transitions. [2022-03-03 16:55:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 16:55:10,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:10,090 INFO L225 Difference]: With dead ends: 25323 [2022-03-03 16:55:10,090 INFO L226 Difference]: Without dead ends: 25095 [2022-03-03 16:55:10,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:55:10,091 INFO L933 BasicCegarLoop]: 531 mSDtfsCounter, 790 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:10,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 2048 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25095 states. [2022-03-03 16:55:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25095 to 11856. [2022-03-03 16:55:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11856 states, 11855 states have (on average 2.7490510333192746) internal successors, (32590), 11855 states have internal predecessors, (32590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11856 states to 11856 states and 32590 transitions. [2022-03-03 16:55:10,386 INFO L78 Accepts]: Start accepts. Automaton has 11856 states and 32590 transitions. Word has length 250 [2022-03-03 16:55:10,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:10,386 INFO L470 AbstractCegarLoop]: Abstraction has 11856 states and 32590 transitions. [2022-03-03 16:55:10,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11856 states and 32590 transitions. [2022-03-03 16:55:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:10,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:10,403 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:10,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-03 16:55:10,404 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:10,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:10,404 INFO L85 PathProgramCache]: Analyzing trace with hash 860905151, now seen corresponding path program 16 times [2022-03-03 16:55:10,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:10,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375048502] [2022-03-03 16:55:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:10,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:10,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375048502] [2022-03-03 16:55:10,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375048502] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:10,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:10,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:10,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938553199] [2022-03-03 16:55:10,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:10,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:10,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:10,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:10,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:10,492 INFO L87 Difference]: Start difference. First operand 11856 states and 32590 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:10,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:10,742 INFO L93 Difference]: Finished difference Result 27915 states and 76096 transitions. [2022-03-03 16:55:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:55:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:10,791 INFO L225 Difference]: With dead ends: 27915 [2022-03-03 16:55:10,791 INFO L226 Difference]: Without dead ends: 27884 [2022-03-03 16:55:10,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:55:10,792 INFO L933 BasicCegarLoop]: 482 mSDtfsCounter, 730 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:10,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 1705 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27884 states. [2022-03-03 16:55:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27884 to 11840. [2022-03-03 16:55:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11840 states, 11839 states have (on average 2.7490497508235494) internal successors, (32546), 11839 states have internal predecessors, (32546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 11840 states and 32546 transitions. [2022-03-03 16:55:11,069 INFO L78 Accepts]: Start accepts. Automaton has 11840 states and 32546 transitions. Word has length 250 [2022-03-03 16:55:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:11,069 INFO L470 AbstractCegarLoop]: Abstraction has 11840 states and 32546 transitions. [2022-03-03 16:55:11,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 11840 states and 32546 transitions. [2022-03-03 16:55:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:11,085 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:11,085 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:11,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-03 16:55:11,085 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1358345733, now seen corresponding path program 1 times [2022-03-03 16:55:11,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:11,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405087134] [2022-03-03 16:55:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:11,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:11,225 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:11,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405087134] [2022-03-03 16:55:11,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405087134] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:11,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:11,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:11,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479624925] [2022-03-03 16:55:11,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:11,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:11,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:11,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:11,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:11,227 INFO L87 Difference]: Start difference. First operand 11840 states and 32546 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:11,541 INFO L93 Difference]: Finished difference Result 42287 states and 115591 transitions. [2022-03-03 16:55:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:55:11,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:11,706 INFO L225 Difference]: With dead ends: 42287 [2022-03-03 16:55:11,706 INFO L226 Difference]: Without dead ends: 42100 [2022-03-03 16:55:11,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:55:11,707 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 1145 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:11,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1145 Valid, 1443 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:11,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42100 states. [2022-03-03 16:55:12,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42100 to 11848. [2022-03-03 16:55:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 2.7490503925044316) internal successors, (32568), 11847 states have internal predecessors, (32568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 32568 transitions. [2022-03-03 16:55:12,082 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 32568 transitions. Word has length 250 [2022-03-03 16:55:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:12,083 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 32568 transitions. [2022-03-03 16:55:12,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 32568 transitions. [2022-03-03 16:55:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:12,099 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:12,099 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:12,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-03 16:55:12,100 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:12,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1051855065, now seen corresponding path program 2 times [2022-03-03 16:55:12,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:12,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086551373] [2022-03-03 16:55:12,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:12,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:12,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:12,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086551373] [2022-03-03 16:55:12,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086551373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:12,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:12,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:12,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257931481] [2022-03-03 16:55:12,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:12,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:12,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:12,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:12,183 INFO L87 Difference]: Start difference. First operand 11848 states and 32568 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:12,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:12,507 INFO L93 Difference]: Finished difference Result 35819 states and 98030 transitions. [2022-03-03 16:55:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 16:55:12,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:12,577 INFO L225 Difference]: With dead ends: 35819 [2022-03-03 16:55:12,577 INFO L226 Difference]: Without dead ends: 35767 [2022-03-03 16:55:12,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-03-03 16:55:12,578 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 882 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:12,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 2043 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35767 states. [2022-03-03 16:55:12,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35767 to 11840. [2022-03-03 16:55:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11840 states, 11839 states have (on average 2.7487118844497003) internal successors, (32542), 11839 states have internal predecessors, (32542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 11840 states and 32542 transitions. [2022-03-03 16:55:12,936 INFO L78 Accepts]: Start accepts. Automaton has 11840 states and 32542 transitions. Word has length 250 [2022-03-03 16:55:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:12,937 INFO L470 AbstractCegarLoop]: Abstraction has 11840 states and 32542 transitions. [2022-03-03 16:55:12,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 11840 states and 32542 transitions. [2022-03-03 16:55:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:12,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:12,953 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:12,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-03 16:55:12,954 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:12,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:12,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1641660071, now seen corresponding path program 3 times [2022-03-03 16:55:12,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:12,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693358937] [2022-03-03 16:55:12,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:12,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:13,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:13,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693358937] [2022-03-03 16:55:13,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693358937] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:13,034 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:13,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:13,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495780245] [2022-03-03 16:55:13,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:13,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:13,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:13,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:13,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:13,035 INFO L87 Difference]: Start difference. First operand 11840 states and 32542 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:13,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:13,220 INFO L93 Difference]: Finished difference Result 25963 states and 70830 transitions. [2022-03-03 16:55:13,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:13,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:13,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:13,265 INFO L225 Difference]: With dead ends: 25963 [2022-03-03 16:55:13,265 INFO L226 Difference]: Without dead ends: 25772 [2022-03-03 16:55:13,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:13,266 INFO L933 BasicCegarLoop]: 437 mSDtfsCounter, 447 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:13,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 1823 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25772 states. [2022-03-03 16:55:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25772 to 11076. [2022-03-03 16:55:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 11075 states have (on average 2.730744920993228) internal successors, (30243), 11075 states have internal predecessors, (30243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 30243 transitions. [2022-03-03 16:55:13,541 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 30243 transitions. Word has length 250 [2022-03-03 16:55:13,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:13,541 INFO L470 AbstractCegarLoop]: Abstraction has 11076 states and 30243 transitions. [2022-03-03 16:55:13,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 30243 transitions. [2022-03-03 16:55:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:13,555 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:13,555 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:13,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-03 16:55:13,555 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:13,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:13,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1300397503, now seen corresponding path program 4 times [2022-03-03 16:55:13,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:13,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415413895] [2022-03-03 16:55:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:13,626 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:13,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415413895] [2022-03-03 16:55:13,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415413895] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:13,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:13,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:55:13,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641560228] [2022-03-03 16:55:13,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:13,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:55:13,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:13,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:55:13,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:55:13,627 INFO L87 Difference]: Start difference. First operand 11076 states and 30243 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:13,834 INFO L93 Difference]: Finished difference Result 32883 states and 89826 transitions. [2022-03-03 16:55:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:55:13,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:13,890 INFO L225 Difference]: With dead ends: 32883 [2022-03-03 16:55:13,890 INFO L226 Difference]: Without dead ends: 32795 [2022-03-03 16:55:13,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:13,891 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 416 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:13,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 1611 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32795 states. [2022-03-03 16:55:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32795 to 11044. [2022-03-03 16:55:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11044 states, 11043 states have (on average 2.7299646835099156) internal successors, (30147), 11043 states have internal predecessors, (30147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11044 states to 11044 states and 30147 transitions. [2022-03-03 16:55:14,222 INFO L78 Accepts]: Start accepts. Automaton has 11044 states and 30147 transitions. Word has length 250 [2022-03-03 16:55:14,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:14,222 INFO L470 AbstractCegarLoop]: Abstraction has 11044 states and 30147 transitions. [2022-03-03 16:55:14,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 11044 states and 30147 transitions. [2022-03-03 16:55:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-03 16:55:14,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:14,236 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:14,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-03 16:55:14,236 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:14,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash -100180351, now seen corresponding path program 5 times [2022-03-03 16:55:14,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:14,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441872390] [2022-03-03 16:55:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:55:14,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:14,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441872390] [2022-03-03 16:55:14,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441872390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:55:14,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:55:14,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:55:14,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213073422] [2022-03-03 16:55:14,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:55:14,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:55:14,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:55:14,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:55:14,312 INFO L87 Difference]: Start difference. First operand 11044 states and 30147 transitions. Second operand has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:14,458 INFO L93 Difference]: Finished difference Result 17167 states and 46992 transitions. [2022-03-03 16:55:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:55:14,459 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-03 16:55:14,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:14,487 INFO L225 Difference]: With dead ends: 17167 [2022-03-03 16:55:14,487 INFO L226 Difference]: Without dead ends: 17039 [2022-03-03 16:55:14,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:55:14,488 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 229 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:14,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 1592 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:55:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17039 states. [2022-03-03 16:55:14,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17039 to 11036. [2022-03-03 16:55:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11036 states, 11035 states have (on average 2.729587675577707) internal successors, (30121), 11035 states have internal predecessors, (30121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11036 states to 11036 states and 30121 transitions. [2022-03-03 16:55:14,697 INFO L78 Accepts]: Start accepts. Automaton has 11036 states and 30121 transitions. Word has length 250 [2022-03-03 16:55:14,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:14,697 INFO L470 AbstractCegarLoop]: Abstraction has 11036 states and 30121 transitions. [2022-03-03 16:55:14,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 11036 states and 30121 transitions. [2022-03-03 16:55:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:55:14,710 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:14,711 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:14,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-03 16:55:14,711 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:14,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:14,711 INFO L85 PathProgramCache]: Analyzing trace with hash -387978320, now seen corresponding path program 1 times [2022-03-03 16:55:14,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:14,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204457058] [2022-03-03 16:55:14,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:14,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:15,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:55:15,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204457058] [2022-03-03 16:55:15,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204457058] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:55:15,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690688751] [2022-03-03 16:55:15,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:55:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:55:15,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:55:15,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-03 16:55:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:55:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 16:55:16,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:55:17,066 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:55:17,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 16:55:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:17,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:55:21,445 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:55:21,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 16:55:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:55:21,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690688751] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:55:21,669 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:55:21,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 35, 30] total 94 [2022-03-03 16:55:21,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213602681] [2022-03-03 16:55:21,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:55:21,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-03-03 16:55:21,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:55:21,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-03-03 16:55:21,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=8346, Unknown=2, NotChecked=0, Total=8742 [2022-03-03 16:55:21,674 INFO L87 Difference]: Start difference. First operand 11036 states and 30121 transitions. Second operand has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:55:58,811 INFO L93 Difference]: Finished difference Result 66746 states and 182458 transitions. [2022-03-03 16:55:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-03 16:55:58,812 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:55:58,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:55:59,021 INFO L225 Difference]: With dead ends: 66746 [2022-03-03 16:55:59,021 INFO L226 Difference]: Without dead ends: 66265 [2022-03-03 16:55:59,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 782 SyntacticMatches, 4 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49665 ImplicationChecksByTransitivity, 31.6s TimeCoverageRelationStatistics Valid=18509, Invalid=129329, Unknown=2, NotChecked=0, Total=147840 [2022-03-03 16:55:59,038 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 17645 mSDsluCounter, 79155 mSDsCounter, 0 mSdLazyCounter, 16138 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17645 SdHoareTripleChecker+Valid, 80154 SdHoareTripleChecker+Invalid, 20966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 16138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4425 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-03-03 16:55:59,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17645 Valid, 80154 Invalid, 20966 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [403 Valid, 16138 Invalid, 0 Unknown, 4425 Unchecked, 6.5s Time] [2022-03-03 16:55:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66265 states. [2022-03-03 16:55:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66265 to 15944. [2022-03-03 16:55:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 2.7526814275857743) internal successors, (43886), 15943 states have internal predecessors, (43886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 43886 transitions. [2022-03-03 16:55:59,605 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 43886 transitions. Word has length 283 [2022-03-03 16:55:59,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:55:59,605 INFO L470 AbstractCegarLoop]: Abstraction has 15944 states and 43886 transitions. [2022-03-03 16:55:59,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:55:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 43886 transitions. [2022-03-03 16:55:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:55:59,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:55:59,630 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:55:59,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-03 16:55:59,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-03-03 16:55:59,837 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:55:59,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:55:59,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2084699166, now seen corresponding path program 2 times [2022-03-03 16:55:59,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:55:59,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185649845] [2022-03-03 16:55:59,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:55:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:55:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:56:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:56:00,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:56:00,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185649845] [2022-03-03 16:56:00,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185649845] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:56:00,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470338312] [2022-03-03 16:56:00,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 16:56:00,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:56:00,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:56:00,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:56:00,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-03 16:56:01,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 16:56:01,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:56:01,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 16:56:01,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:56:01,987 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:56:01,987 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 16:56:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:56:02,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:56:07,856 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:56:07,857 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 16:56:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:56:08,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470338312] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:56:08,027 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:56:08,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 35, 30] total 95 [2022-03-03 16:56:08,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712927166] [2022-03-03 16:56:08,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:56:08,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 16:56:08,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:56:08,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 16:56:08,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=8522, Unknown=5, NotChecked=0, Total=8930 [2022-03-03 16:56:08,029 INFO L87 Difference]: Start difference. First operand 15944 states and 43886 transitions. Second operand has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:56:51,743 INFO L93 Difference]: Finished difference Result 96790 states and 264308 transitions. [2022-03-03 16:56:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-03-03 16:56:51,743 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:56:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:56:51,953 INFO L225 Difference]: With dead ends: 96790 [2022-03-03 16:56:51,954 INFO L226 Difference]: Without dead ends: 96454 [2022-03-03 16:56:51,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1343 GetRequests, 868 SyntacticMatches, 5 SemanticMatches, 470 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83004 ImplicationChecksByTransitivity, 38.4s TimeCoverageRelationStatistics Valid=24059, Invalid=198248, Unknown=5, NotChecked=0, Total=222312 [2022-03-03 16:56:51,982 INFO L933 BasicCegarLoop]: 1646 mSDtfsCounter, 21508 mSDsluCounter, 72957 mSDsCounter, 0 mSdLazyCounter, 18407 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21508 SdHoareTripleChecker+Valid, 73711 SdHoareTripleChecker+Invalid, 20458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 18407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1627 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-03-03 16:56:51,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21508 Valid, 73711 Invalid, 20458 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [424 Valid, 18407 Invalid, 0 Unknown, 1627 Unchecked, 7.5s Time] [2022-03-03 16:56:52,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96454 states. [2022-03-03 16:56:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96454 to 19310. [2022-03-03 16:56:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19310 states, 19309 states have (on average 2.764824693148273) internal successors, (53386), 19309 states have internal predecessors, (53386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19310 states to 19310 states and 53386 transitions. [2022-03-03 16:56:53,117 INFO L78 Accepts]: Start accepts. Automaton has 19310 states and 53386 transitions. Word has length 283 [2022-03-03 16:56:53,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:56:53,117 INFO L470 AbstractCegarLoop]: Abstraction has 19310 states and 53386 transitions. [2022-03-03 16:56:53,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19310 states and 53386 transitions. [2022-03-03 16:56:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:56:53,146 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:56:53,146 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:56:53,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-03 16:56:53,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:56:53,360 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:56:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:56:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1217634306, now seen corresponding path program 1 times [2022-03-03 16:56:53,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:56:53,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197716765] [2022-03-03 16:56:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:56:53,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:56:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:56:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:56:53,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:56:53,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197716765] [2022-03-03 16:56:53,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197716765] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:56:53,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124731341] [2022-03-03 16:56:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:56:53,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:56:53,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:56:53,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:56:53,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-03 16:56:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:56:53,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-03 16:56:53,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:56:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:56:53,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:56:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 16:56:54,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124731341] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:56:54,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:56:54,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-03-03 16:56:54,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600743154] [2022-03-03 16:56:54,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:56:54,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 16:56:54,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:56:54,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 16:56:54,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:56:54,194 INFO L87 Difference]: Start difference. First operand 19310 states and 53386 transitions. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:56:54,397 INFO L93 Difference]: Finished difference Result 36827 states and 101320 transitions. [2022-03-03 16:56:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:56:54,398 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:56:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:56:54,468 INFO L225 Difference]: With dead ends: 36827 [2022-03-03 16:56:54,468 INFO L226 Difference]: Without dead ends: 36800 [2022-03-03 16:56:54,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2022-03-03 16:56:54,470 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1142 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:56:54,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 2510 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:56:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36800 states. [2022-03-03 16:56:55,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36800 to 30316. [2022-03-03 16:56:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30316 states, 30315 states have (on average 2.7656605640771894) internal successors, (83841), 30315 states have internal predecessors, (83841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30316 states to 30316 states and 83841 transitions. [2022-03-03 16:56:55,205 INFO L78 Accepts]: Start accepts. Automaton has 30316 states and 83841 transitions. Word has length 283 [2022-03-03 16:56:55,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:56:55,205 INFO L470 AbstractCegarLoop]: Abstraction has 30316 states and 83841 transitions. [2022-03-03 16:56:55,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:56:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30316 states and 83841 transitions. [2022-03-03 16:56:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:56:55,247 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:56:55,247 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:56:55,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-03 16:56:55,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:56:55,464 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:56:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:56:55,464 INFO L85 PathProgramCache]: Analyzing trace with hash -812989858, now seen corresponding path program 3 times [2022-03-03 16:56:55,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:56:55,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318941672] [2022-03-03 16:56:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:56:55,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:56:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:56:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:56:56,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:56:56,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318941672] [2022-03-03 16:56:56,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318941672] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:56:56,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195901305] [2022-03-03 16:56:56,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 16:56:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:56:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:56:56,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:56:56,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-03 16:56:56,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-03 16:56:56,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:56:56,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 16:56:56,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:56:57,750 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:56:57,752 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 16:56:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:56:58,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:57:03,368 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:57:03,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 16:57:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:57:03,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195901305] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:57:03,574 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:57:03,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 30] total 92 [2022-03-03 16:57:03,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451914811] [2022-03-03 16:57:03,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:57:03,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-03 16:57:03,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:57:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-03 16:57:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=7980, Unknown=5, NotChecked=0, Total=8372 [2022-03-03 16:57:03,576 INFO L87 Difference]: Start difference. First operand 30316 states and 83841 transitions. Second operand has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:00,644 INFO L93 Difference]: Finished difference Result 213812 states and 585447 transitions. [2022-03-03 16:59:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 903 states. [2022-03-03 16:59:00,644 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:59:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:01,209 INFO L225 Difference]: With dead ends: 213812 [2022-03-03 16:59:01,209 INFO L226 Difference]: Without dead ends: 211596 [2022-03-03 16:59:01,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2364 GetRequests, 1324 SyntacticMatches, 51 SemanticMatches, 989 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433336 ImplicationChecksByTransitivity, 98.4s TimeCoverageRelationStatistics Valid=76054, Invalid=905031, Unknown=5, NotChecked=0, Total=981090 [2022-03-03 16:59:01,407 INFO L933 BasicCegarLoop]: 2700 mSDtfsCounter, 17247 mSDsluCounter, 128860 mSDsCounter, 0 mSdLazyCounter, 32835 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17247 SdHoareTripleChecker+Valid, 129744 SdHoareTripleChecker+Invalid, 55763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 32835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22434 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-03-03 16:59:01,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17247 Valid, 129744 Invalid, 55763 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [494 Valid, 32835 Invalid, 0 Unknown, 22434 Unchecked, 13.5s Time] [2022-03-03 16:59:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211596 states. [2022-03-03 16:59:03,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211596 to 31079. [2022-03-03 16:59:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31079 states, 31078 states have (on average 2.7700946006821545) internal successors, (86089), 31078 states have internal predecessors, (86089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31079 states to 31079 states and 86089 transitions. [2022-03-03 16:59:03,416 INFO L78 Accepts]: Start accepts. Automaton has 31079 states and 86089 transitions. Word has length 283 [2022-03-03 16:59:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:03,416 INFO L470 AbstractCegarLoop]: Abstraction has 31079 states and 86089 transitions. [2022-03-03 16:59:03,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 31079 states and 86089 transitions. [2022-03-03 16:59:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:59:03,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:03,462 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:03,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-03 16:59:03,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-03-03 16:59:03,680 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:03,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2013959458, now seen corresponding path program 4 times [2022-03-03 16:59:03,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:03,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708830313] [2022-03-03 16:59:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:04,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:04,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708830313] [2022-03-03 16:59:04,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708830313] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:59:04,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180436491] [2022-03-03 16:59:04,924 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 16:59:04,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:59:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:59:04,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:59:04,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-03 16:59:05,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 16:59:05,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:59:05,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-03 16:59:05,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:59:05,648 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:59:05,648 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 16:59:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:06,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:59:13,394 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:59:13,395 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 16:59:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:13,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180436491] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:59:13,582 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:59:13,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 31, 31] total 96 [2022-03-03 16:59:13,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079344418] [2022-03-03 16:59:13,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:59:13,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-03-03 16:59:13,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:13,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-03-03 16:59:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=8730, Unknown=7, NotChecked=0, Total=9120 [2022-03-03 16:59:13,584 INFO L87 Difference]: Start difference. First operand 31079 states and 86089 transitions. Second operand has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:23,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:23,201 INFO L93 Difference]: Finished difference Result 87348 states and 240788 transitions. [2022-03-03 16:59:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-03 16:59:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:59:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:23,383 INFO L225 Difference]: With dead ends: 87348 [2022-03-03 16:59:23,383 INFO L226 Difference]: Without dead ends: 87203 [2022-03-03 16:59:23,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 550 SyntacticMatches, 6 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5324 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=1941, Invalid=19222, Unknown=7, NotChecked=0, Total=21170 [2022-03-03 16:59:23,384 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 6078 mSDsluCounter, 44975 mSDsCounter, 0 mSdLazyCounter, 9006 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 45107 SdHoareTripleChecker+Invalid, 9647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 9006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 569 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-03-03 16:59:23,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6078 Valid, 45107 Invalid, 9647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 9006 Invalid, 0 Unknown, 569 Unchecked, 3.7s Time] [2022-03-03 16:59:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87203 states. [2022-03-03 16:59:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87203 to 32387. [2022-03-03 16:59:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32387 states, 32386 states have (on average 2.7715062063854754) internal successors, (89758), 32386 states have internal predecessors, (89758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32387 states to 32387 states and 89758 transitions. [2022-03-03 16:59:24,821 INFO L78 Accepts]: Start accepts. Automaton has 32387 states and 89758 transitions. Word has length 283 [2022-03-03 16:59:24,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:24,821 INFO L470 AbstractCegarLoop]: Abstraction has 32387 states and 89758 transitions. [2022-03-03 16:59:24,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32387 states and 89758 transitions. [2022-03-03 16:59:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:59:24,863 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:24,863 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:24,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-03 16:59:25,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-03-03 16:59:25,080 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:25,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1897137352, now seen corresponding path program 5 times [2022-03-03 16:59:25,080 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:25,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037790435] [2022-03-03 16:59:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:25,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:26,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:26,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037790435] [2022-03-03 16:59:26,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037790435] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:59:26,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674462438] [2022-03-03 16:59:26,633 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-03 16:59:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:59:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:59:26,634 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:59:26,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-03 16:59:26,870 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-03 16:59:26,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:59:26,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 16:59:26,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:59:27,712 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:59:27,713 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 16:59:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:28,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:59:32,072 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:59:32,073 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 16:59:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:32,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674462438] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:59:32,237 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:59:32,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 16:59:32,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832908144] [2022-03-03 16:59:32,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:59:32,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 16:59:32,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:32,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 16:59:32,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=8926, Unknown=3, NotChecked=0, Total=9312 [2022-03-03 16:59:32,239 INFO L87 Difference]: Start difference. First operand 32387 states and 89758 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:44,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:44,663 INFO L93 Difference]: Finished difference Result 82351 states and 226666 transitions. [2022-03-03 16:59:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-03 16:59:44,663 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 16:59:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:44,820 INFO L225 Difference]: With dead ends: 82351 [2022-03-03 16:59:44,820 INFO L226 Difference]: Without dead ends: 81048 [2022-03-03 16:59:44,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 560 SyntacticMatches, 13 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6439 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=2877, Invalid=22242, Unknown=3, NotChecked=0, Total=25122 [2022-03-03 16:59:44,822 INFO L933 BasicCegarLoop]: 936 mSDtfsCounter, 7696 mSDsluCounter, 43753 mSDsCounter, 0 mSdLazyCounter, 9819 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7696 SdHoareTripleChecker+Valid, 43963 SdHoareTripleChecker+Invalid, 11074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 9819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1121 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:59:44,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7696 Valid, 43963 Invalid, 11074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [134 Valid, 9819 Invalid, 0 Unknown, 1121 Unchecked, 4.1s Time] [2022-03-03 16:59:45,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81048 states. [2022-03-03 16:59:45,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81048 to 32515. [2022-03-03 16:59:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32515 states, 32514 states have (on average 2.77080642184905) internal successors, (90090), 32514 states have internal predecessors, (90090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32515 states to 32515 states and 90090 transitions. [2022-03-03 16:59:46,049 INFO L78 Accepts]: Start accepts. Automaton has 32515 states and 90090 transitions. Word has length 283 [2022-03-03 16:59:46,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:46,049 INFO L470 AbstractCegarLoop]: Abstraction has 32515 states and 90090 transitions. [2022-03-03 16:59:46,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:59:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32515 states and 90090 transitions. [2022-03-03 16:59:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 16:59:46,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:46,107 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:46,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-03 16:59:46,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-03-03 16:59:46,320 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:46,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213930, now seen corresponding path program 6 times [2022-03-03 16:59:46,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:46,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655473728] [2022-03-03 16:59:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:47,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:47,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655473728] [2022-03-03 16:59:47,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655473728] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 16:59:47,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601137500] [2022-03-03 16:59:47,467 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-03 16:59:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 16:59:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:59:47,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 16:59:47,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-03 16:59:47,698 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-03 16:59:47,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 16:59:47,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 16:59:47,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 16:59:48,762 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 16:59:48,763 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 25 [2022-03-03 16:59:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:49,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 16:59:52,171 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 16:59:52,172 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 72 [2022-03-03 16:59:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 16:59:52,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601137500] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 16:59:52,278 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 16:59:52,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41, 31] total 93 [2022-03-03 16:59:52,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146894796] [2022-03-03 16:59:52,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 16:59:52,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-03-03 16:59:52,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-03-03 16:59:52,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=8175, Unknown=0, NotChecked=0, Total=8556 [2022-03-03 16:59:52,281 INFO L87 Difference]: Start difference. First operand 32515 states and 90090 transitions. Second operand has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:01,341 INFO L93 Difference]: Finished difference Result 82311 states and 226628 transitions. [2022-03-03 17:00:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-03 17:00:01,341 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:00:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:01,509 INFO L225 Difference]: With dead ends: 82311 [2022-03-03 17:00:01,510 INFO L226 Difference]: Without dead ends: 82166 [2022-03-03 17:00:01,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 571 SyntacticMatches, 3 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6614 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=2543, Invalid=23217, Unknown=0, NotChecked=0, Total=25760 [2022-03-03 17:00:01,511 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 9206 mSDsluCounter, 36710 mSDsCounter, 0 mSdLazyCounter, 8407 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9206 SdHoareTripleChecker+Valid, 36920 SdHoareTripleChecker+Invalid, 8785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 8407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 277 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:01,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9206 Valid, 36920 Invalid, 8785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [101 Valid, 8407 Invalid, 0 Unknown, 277 Unchecked, 3.3s Time] [2022-03-03 17:00:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82166 states. [2022-03-03 17:00:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82166 to 32515. [2022-03-03 17:00:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32515 states, 32514 states have (on average 2.77080642184905) internal successors, (90090), 32514 states have internal predecessors, (90090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32515 states to 32515 states and 90090 transitions. [2022-03-03 17:00:02,577 INFO L78 Accepts]: Start accepts. Automaton has 32515 states and 90090 transitions. Word has length 283 [2022-03-03 17:00:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:02,578 INFO L470 AbstractCegarLoop]: Abstraction has 32515 states and 90090 transitions. [2022-03-03 17:00:02,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32515 states and 90090 transitions. [2022-03-03 17:00:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:00:02,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:02,627 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:02,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-03 17:00:02,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-03-03 17:00:02,846 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash -339128410, now seen corresponding path program 7 times [2022-03-03 17:00:02,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:02,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240960522] [2022-03-03 17:00:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:02,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:03,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:03,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240960522] [2022-03-03 17:00:03,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240960522] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:00:03,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229605176] [2022-03-03 17:00:03,978 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-03 17:00:03,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:00:03,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:00:03,980 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:00:03,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-03 17:00:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:04,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:00:04,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:00:04,984 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:00:04,984 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:00:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:05,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:00:09,286 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:00:09,287 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:00:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:09,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229605176] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:00:09,493 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:00:09,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 36, 31] total 99 [2022-03-03 17:00:09,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695218276] [2022-03-03 17:00:09,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:00:09,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-03 17:00:09,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:09,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-03 17:00:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=9287, Unknown=1, NotChecked=0, Total=9702 [2022-03-03 17:00:09,495 INFO L87 Difference]: Start difference. First operand 32515 states and 90090 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:19,957 INFO L93 Difference]: Finished difference Result 83363 states and 229429 transitions. [2022-03-03 17:00:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-03 17:00:19,958 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:00:19,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:20,138 INFO L225 Difference]: With dead ends: 83363 [2022-03-03 17:00:20,139 INFO L226 Difference]: Without dead ends: 83218 [2022-03-03 17:00:20,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 562 SyntacticMatches, 1 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6422 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=2371, Invalid=23710, Unknown=1, NotChecked=0, Total=26082 [2022-03-03 17:00:20,140 INFO L933 BasicCegarLoop]: 1037 mSDtfsCounter, 8413 mSDsluCounter, 45747 mSDsCounter, 0 mSdLazyCounter, 9890 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8413 SdHoareTripleChecker+Valid, 46094 SdHoareTripleChecker+Invalid, 10302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 9890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 325 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:20,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8413 Valid, 46094 Invalid, 10302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 9890 Invalid, 0 Unknown, 325 Unchecked, 4.1s Time] [2022-03-03 17:00:20,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83218 states. [2022-03-03 17:00:21,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83218 to 32534. [2022-03-03 17:00:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32534 states, 32533 states have (on average 2.7702640395905695) internal successors, (90125), 32533 states have internal predecessors, (90125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32534 states to 32534 states and 90125 transitions. [2022-03-03 17:00:21,259 INFO L78 Accepts]: Start accepts. Automaton has 32534 states and 90125 transitions. Word has length 283 [2022-03-03 17:00:21,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:21,259 INFO L470 AbstractCegarLoop]: Abstraction has 32534 states and 90125 transitions. [2022-03-03 17:00:21,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32534 states and 90125 transitions. [2022-03-03 17:00:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:00:21,311 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:21,312 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:21,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-03 17:00:21,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:00:21,534 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:21,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1770750512, now seen corresponding path program 8 times [2022-03-03 17:00:21,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:21,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304981548] [2022-03-03 17:00:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:21,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:22,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:22,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304981548] [2022-03-03 17:00:22,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304981548] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:00:22,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082694289] [2022-03-03 17:00:22,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 17:00:22,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:00:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:00:22,677 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:00:22,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-03 17:00:22,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 17:00:22,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:00:22,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:00:22,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:00:23,933 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:00:23,934 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:00:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:24,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:00:29,339 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:00:29,339 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:00:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:29,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082694289] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:00:29,687 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:00:29,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 36, 31] total 99 [2022-03-03 17:00:29,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325136127] [2022-03-03 17:00:29,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:00:29,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-03 17:00:29,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:29,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-03 17:00:29,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=9283, Unknown=3, NotChecked=0, Total=9702 [2022-03-03 17:00:29,689 INFO L87 Difference]: Start difference. First operand 32534 states and 90125 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:41,045 INFO L93 Difference]: Finished difference Result 86664 states and 238969 transitions. [2022-03-03 17:00:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-03 17:00:41,046 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:00:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:41,245 INFO L225 Difference]: With dead ends: 86664 [2022-03-03 17:00:41,245 INFO L226 Difference]: Without dead ends: 86519 [2022-03-03 17:00:41,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 555 SyntacticMatches, 6 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6018 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=2538, Invalid=21639, Unknown=3, NotChecked=0, Total=24180 [2022-03-03 17:00:41,249 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 8742 mSDsluCounter, 40727 mSDsCounter, 0 mSdLazyCounter, 8178 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8742 SdHoareTripleChecker+Valid, 41088 SdHoareTripleChecker+Invalid, 9287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 8178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1041 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:41,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8742 Valid, 41088 Invalid, 9287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 8178 Invalid, 0 Unknown, 1041 Unchecked, 3.6s Time] [2022-03-03 17:00:41,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86519 states. [2022-03-03 17:00:42,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86519 to 32753. [2022-03-03 17:00:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32753 states, 32752 states have (on average 2.7692354665363945) internal successors, (90698), 32752 states have internal predecessors, (90698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32753 states to 32753 states and 90698 transitions. [2022-03-03 17:00:42,504 INFO L78 Accepts]: Start accepts. Automaton has 32753 states and 90698 transitions. Word has length 283 [2022-03-03 17:00:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:42,505 INFO L470 AbstractCegarLoop]: Abstraction has 32753 states and 90698 transitions. [2022-03-03 17:00:42,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:00:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32753 states and 90698 transitions. [2022-03-03 17:00:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:00:42,552 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:42,552 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:42,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-03 17:00:42,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-03-03 17:00:42,772 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:42,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash -430432054, now seen corresponding path program 9 times [2022-03-03 17:00:42,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:42,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023886209] [2022-03-03 17:00:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:44,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:44,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023886209] [2022-03-03 17:00:44,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023886209] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:00:44,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019677842] [2022-03-03 17:00:44,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 17:00:44,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:00:44,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:00:44,416 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:00:44,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-03 17:00:44,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-03 17:00:44,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:00:44,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:00:44,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:00:45,771 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:00:45,772 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:00:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:46,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:00:49,086 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:00:49,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:00:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:00:49,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019677842] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:00:49,388 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:00:49,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:00:49,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752323981] [2022-03-03 17:00:49,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:00:49,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:00:49,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:49,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:00:49,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=8928, Unknown=0, NotChecked=0, Total=9312 [2022-03-03 17:00:49,390 INFO L87 Difference]: Start difference. First operand 32753 states and 90698 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:00,686 INFO L93 Difference]: Finished difference Result 82454 states and 227335 transitions. [2022-03-03 17:01:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-03 17:01:00,687 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:01:00,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:00,889 INFO L225 Difference]: With dead ends: 82454 [2022-03-03 17:01:00,890 INFO L226 Difference]: Without dead ends: 82100 [2022-03-03 17:01:00,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 559 SyntacticMatches, 4 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5909 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=2085, Invalid=21785, Unknown=0, NotChecked=0, Total=23870 [2022-03-03 17:01:00,891 INFO L933 BasicCegarLoop]: 970 mSDtfsCounter, 7145 mSDsluCounter, 50183 mSDsCounter, 0 mSdLazyCounter, 11498 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7145 SdHoareTripleChecker+Valid, 50389 SdHoareTripleChecker+Invalid, 11936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 11498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:00,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7145 Valid, 50389 Invalid, 11936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 11498 Invalid, 0 Unknown, 344 Unchecked, 5.1s Time] [2022-03-03 17:01:01,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82100 states. [2022-03-03 17:01:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82100 to 32758. [2022-03-03 17:01:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32758 states, 32757 states have (on average 2.7687517171902187) internal successors, (90696), 32757 states have internal predecessors, (90696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32758 states to 32758 states and 90696 transitions. [2022-03-03 17:01:02,053 INFO L78 Accepts]: Start accepts. Automaton has 32758 states and 90696 transitions. Word has length 283 [2022-03-03 17:01:02,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:02,053 INFO L470 AbstractCegarLoop]: Abstraction has 32758 states and 90696 transitions. [2022-03-03 17:01:02,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:02,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32758 states and 90696 transitions. [2022-03-03 17:01:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:01:02,103 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:02,103 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:01:02,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-03 17:01:02,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:01:02,321 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash -28023554, now seen corresponding path program 10 times [2022-03-03 17:01:02,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:02,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860709250] [2022-03-03 17:01:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:04,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:04,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860709250] [2022-03-03 17:01:04,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860709250] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:01:04,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339940864] [2022-03-03 17:01:04,125 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 17:01:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:01:04,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:01:04,127 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:01:04,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-03 17:01:04,291 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 17:01:04,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:01:04,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-03 17:01:04,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:01:04,974 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:01:04,974 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:01:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:05,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:01:12,633 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:01:12,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:01:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:12,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339940864] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:01:12,855 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:01:12,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 31, 31] total 98 [2022-03-03 17:01:12,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101277086] [2022-03-03 17:01:12,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:01:12,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-03 17:01:12,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:12,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-03 17:01:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=9106, Unknown=5, NotChecked=0, Total=9506 [2022-03-03 17:01:12,857 INFO L87 Difference]: Start difference. First operand 32758 states and 90696 transitions. Second operand has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:23,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:23,331 INFO L93 Difference]: Finished difference Result 82236 states and 226784 transitions. [2022-03-03 17:01:23,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-03 17:01:23,332 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:01:23,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:23,509 INFO L225 Difference]: With dead ends: 82236 [2022-03-03 17:01:23,509 INFO L226 Difference]: Without dead ends: 81923 [2022-03-03 17:01:23,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 566 SyntacticMatches, 3 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6396 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=2420, Invalid=23657, Unknown=5, NotChecked=0, Total=26082 [2022-03-03 17:01:23,512 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 6821 mSDsluCounter, 42339 mSDsCounter, 0 mSdLazyCounter, 8735 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6821 SdHoareTripleChecker+Valid, 42675 SdHoareTripleChecker+Invalid, 9312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 8735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 480 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:23,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6821 Valid, 42675 Invalid, 9312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [97 Valid, 8735 Invalid, 0 Unknown, 480 Unchecked, 3.9s Time] [2022-03-03 17:01:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81923 states. [2022-03-03 17:01:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81923 to 32742. [2022-03-03 17:01:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32742 states, 32741 states have (on average 2.768974680064751) internal successors, (90659), 32741 states have internal predecessors, (90659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32742 states to 32742 states and 90659 transitions. [2022-03-03 17:01:24,582 INFO L78 Accepts]: Start accepts. Automaton has 32742 states and 90659 transitions. Word has length 283 [2022-03-03 17:01:24,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:24,582 INFO L470 AbstractCegarLoop]: Abstraction has 32742 states and 90659 transitions. [2022-03-03 17:01:24,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32742 states and 90659 transitions. [2022-03-03 17:01:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:01:24,634 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:24,634 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:01:24,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-03 17:01:24,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:01:24,855 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:24,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:24,856 INFO L85 PathProgramCache]: Analyzing trace with hash -399210428, now seen corresponding path program 11 times [2022-03-03 17:01:24,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:24,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374224326] [2022-03-03 17:01:24,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:24,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:26,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:26,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374224326] [2022-03-03 17:01:26,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374224326] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:01:26,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379505604] [2022-03-03 17:01:26,693 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-03 17:01:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:01:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:01:26,694 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:01:26,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-03 17:01:26,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-03 17:01:26,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:01:26,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:01:26,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:01:27,925 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:01:27,926 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:01:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:28,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:01:31,515 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:01:31,515 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:01:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:31,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379505604] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:01:31,661 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:01:31,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:01:31,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896651909] [2022-03-03 17:01:31,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:01:31,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:01:31,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:01:31,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=8926, Unknown=1, NotChecked=0, Total=9312 [2022-03-03 17:01:31,663 INFO L87 Difference]: Start difference. First operand 32742 states and 90659 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:41,689 INFO L93 Difference]: Finished difference Result 86604 states and 238726 transitions. [2022-03-03 17:01:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-03 17:01:41,690 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:01:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:41,898 INFO L225 Difference]: With dead ends: 86604 [2022-03-03 17:01:41,898 INFO L226 Difference]: Without dead ends: 85870 [2022-03-03 17:01:41,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5126 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=2015, Invalid=20634, Unknown=1, NotChecked=0, Total=22650 [2022-03-03 17:01:41,900 INFO L933 BasicCegarLoop]: 1036 mSDtfsCounter, 7257 mSDsluCounter, 51793 mSDsCounter, 0 mSdLazyCounter, 10755 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7257 SdHoareTripleChecker+Valid, 51892 SdHoareTripleChecker+Invalid, 11149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 10755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 306 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:41,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7257 Valid, 51892 Invalid, 11149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 10755 Invalid, 0 Unknown, 306 Unchecked, 4.3s Time] [2022-03-03 17:01:42,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85870 states. [2022-03-03 17:01:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85870 to 32745. [2022-03-03 17:01:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32745 states, 32744 states have (on average 2.768598827266064) internal successors, (90655), 32744 states have internal predecessors, (90655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32745 states to 32745 states and 90655 transitions. [2022-03-03 17:01:43,245 INFO L78 Accepts]: Start accepts. Automaton has 32745 states and 90655 transitions. Word has length 283 [2022-03-03 17:01:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:43,245 INFO L470 AbstractCegarLoop]: Abstraction has 32745 states and 90655 transitions. [2022-03-03 17:01:43,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:01:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32745 states and 90655 transitions. [2022-03-03 17:01:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:01:43,288 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:43,288 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:01:43,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-03 17:01:43,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-03-03 17:01:43,503 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:43,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:43,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1208633770, now seen corresponding path program 12 times [2022-03-03 17:01:43,504 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:43,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2392644] [2022-03-03 17:01:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:45,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:45,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2392644] [2022-03-03 17:01:45,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2392644] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:01:45,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061153285] [2022-03-03 17:01:45,011 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-03 17:01:45,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:01:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:01:45,013 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:01:45,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-03 17:01:45,213 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-03 17:01:45,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:01:45,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:01:45,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:01:46,406 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:01:46,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:01:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:47,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:01:49,610 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:01:49,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:01:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:01:49,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061153285] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:01:49,792 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:01:49,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-03 17:01:49,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151086675] [2022-03-03 17:01:49,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:01:49,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 17:01:49,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:49,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 17:01:49,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8544, Unknown=0, NotChecked=0, Total=8930 [2022-03-03 17:01:49,795 INFO L87 Difference]: Start difference. First operand 32745 states and 90655 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:00,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:00,013 INFO L93 Difference]: Finished difference Result 117075 states and 319443 transitions. [2022-03-03 17:03:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-03 17:03:00,013 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:03:00,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:00,263 INFO L225 Difference]: With dead ends: 117075 [2022-03-03 17:03:00,264 INFO L226 Difference]: Without dead ends: 116489 [2022-03-03 17:03:00,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1282 GetRequests, 827 SyntacticMatches, 15 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 69884 ImplicationChecksByTransitivity, 59.8s TimeCoverageRelationStatistics Valid=20688, Invalid=174234, Unknown=0, NotChecked=0, Total=194922 [2022-03-03 17:03:00,272 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 16411 mSDsluCounter, 80877 mSDsCounter, 0 mSdLazyCounter, 23245 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16411 SdHoareTripleChecker+Valid, 81389 SdHoareTripleChecker+Invalid, 25560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 23245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1943 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:00,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16411 Valid, 81389 Invalid, 25560 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [372 Valid, 23245 Invalid, 0 Unknown, 1943 Unchecked, 10.4s Time] [2022-03-03 17:03:00,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116489 states. [2022-03-03 17:03:01,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116489 to 34671. [2022-03-03 17:03:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34671 states, 34670 states have (on average 2.7721949812518027) internal successors, (96112), 34670 states have internal predecessors, (96112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34671 states to 34671 states and 96112 transitions. [2022-03-03 17:03:02,051 INFO L78 Accepts]: Start accepts. Automaton has 34671 states and 96112 transitions. Word has length 283 [2022-03-03 17:03:02,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:02,051 INFO L470 AbstractCegarLoop]: Abstraction has 34671 states and 96112 transitions. [2022-03-03 17:03:02,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34671 states and 96112 transitions. [2022-03-03 17:03:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:03:02,096 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:02,097 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:03:02,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-03-03 17:03:02,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:02,312 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:02,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1592504256, now seen corresponding path program 13 times [2022-03-03 17:03:02,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:02,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027327302] [2022-03-03 17:03:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:02,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:04,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:04,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027327302] [2022-03-03 17:03:04,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027327302] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:03:04,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705499064] [2022-03-03 17:03:04,132 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-03 17:03:04,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:03:04,133 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:03:04,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-03 17:03:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:04,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:03:04,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:03:05,209 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:03:05,210 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:03:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:05,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:03:11,307 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:03:11,307 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:03:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:11,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705499064] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:03:11,499 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:03:11,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:03:11,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686301907] [2022-03-03 17:03:11,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:03:11,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:03:11,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:03:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8922, Unknown=4, NotChecked=0, Total=9312 [2022-03-03 17:03:11,501 INFO L87 Difference]: Start difference. First operand 34671 states and 96112 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:22,602 INFO L93 Difference]: Finished difference Result 88343 states and 243129 transitions. [2022-03-03 17:03:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-03 17:03:22,606 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:03:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:22,882 INFO L225 Difference]: With dead ends: 88343 [2022-03-03 17:03:22,882 INFO L226 Difference]: Without dead ends: 87192 [2022-03-03 17:03:22,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 558 SyntacticMatches, 6 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5851 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=2329, Invalid=21537, Unknown=4, NotChecked=0, Total=23870 [2022-03-03 17:03:22,884 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 9283 mSDsluCounter, 51035 mSDsCounter, 0 mSdLazyCounter, 12330 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9283 SdHoareTripleChecker+Valid, 51083 SdHoareTripleChecker+Invalid, 12978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 12330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 584 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:22,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9283 Valid, 51083 Invalid, 12978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 12330 Invalid, 0 Unknown, 584 Unchecked, 4.7s Time] [2022-03-03 17:03:23,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87192 states. [2022-03-03 17:03:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87192 to 34902. [2022-03-03 17:03:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34902 states, 34901 states have (on average 2.77069424944844) internal successors, (96700), 34901 states have internal predecessors, (96700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34902 states to 34902 states and 96700 transitions. [2022-03-03 17:03:23,874 INFO L78 Accepts]: Start accepts. Automaton has 34902 states and 96700 transitions. Word has length 283 [2022-03-03 17:03:23,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:23,874 INFO L470 AbstractCegarLoop]: Abstraction has 34902 states and 96700 transitions. [2022-03-03 17:03:23,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34902 states and 96700 transitions. [2022-03-03 17:03:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:03:23,916 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:23,916 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:03:23,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-03 17:03:24,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:24,136 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:24,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1919539618, now seen corresponding path program 14 times [2022-03-03 17:03:24,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:24,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009415656] [2022-03-03 17:03:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:24,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:25,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:25,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009415656] [2022-03-03 17:03:25,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009415656] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:03:25,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952794497] [2022-03-03 17:03:25,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 17:03:25,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:25,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:03:25,359 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:03:25,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-03 17:03:25,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 17:03:25,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:03:25,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:03:25,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:03:26,249 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:03:26,249 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:03:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:27,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:03:31,160 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:03:31,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:03:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:31,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952794497] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:03:31,378 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:03:31,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 31] total 100 [2022-03-03 17:03:31,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884403060] [2022-03-03 17:03:31,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:03:31,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-03 17:03:31,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:31,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-03 17:03:31,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=9472, Unknown=3, NotChecked=0, Total=9900 [2022-03-03 17:03:31,380 INFO L87 Difference]: Start difference. First operand 34902 states and 96700 transitions. Second operand has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:41,689 INFO L93 Difference]: Finished difference Result 88483 states and 243318 transitions. [2022-03-03 17:03:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-03 17:03:41,690 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:03:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:41,880 INFO L225 Difference]: With dead ends: 88483 [2022-03-03 17:03:41,880 INFO L226 Difference]: Without dead ends: 88338 [2022-03-03 17:03:41,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 566 SyntacticMatches, 1 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7020 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=2673, Invalid=25380, Unknown=3, NotChecked=0, Total=28056 [2022-03-03 17:03:41,883 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 8556 mSDsluCounter, 40826 mSDsCounter, 0 mSdLazyCounter, 9703 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8556 SdHoareTripleChecker+Valid, 40967 SdHoareTripleChecker+Invalid, 10273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 9703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 483 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:41,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8556 Valid, 40967 Invalid, 10273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 9703 Invalid, 0 Unknown, 483 Unchecked, 4.2s Time] [2022-03-03 17:03:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88338 states. [2022-03-03 17:03:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88338 to 34903. [2022-03-03 17:03:43,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34903 states, 34902 states have (on average 2.770672167784081) internal successors, (96702), 34902 states have internal predecessors, (96702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34903 states to 34903 states and 96702 transitions. [2022-03-03 17:03:43,131 INFO L78 Accepts]: Start accepts. Automaton has 34903 states and 96702 transitions. Word has length 283 [2022-03-03 17:03:43,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:43,131 INFO L470 AbstractCegarLoop]: Abstraction has 34903 states and 96702 transitions. [2022-03-03 17:03:43,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:43,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34903 states and 96702 transitions. [2022-03-03 17:03:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:03:43,174 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:43,174 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:03:43,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-03-03 17:03:43,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:43,392 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:43,392 INFO L85 PathProgramCache]: Analyzing trace with hash 466197278, now seen corresponding path program 15 times [2022-03-03 17:03:43,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:43,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111758986] [2022-03-03 17:03:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:43,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:44,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:44,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111758986] [2022-03-03 17:03:44,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111758986] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:03:44,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44464986] [2022-03-03 17:03:44,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 17:03:44,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:03:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:03:44,986 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:03:44,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-03 17:03:45,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-03 17:03:45,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:03:45,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:03:45,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:03:46,288 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:03:46,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:03:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:46,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:03:48,594 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:03:48,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:03:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:03:48,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44464986] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:03:48,731 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:03:48,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:03:48,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301109710] [2022-03-03 17:03:48,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:03:48,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:03:48,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:03:48,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=8927, Unknown=0, NotChecked=0, Total=9312 [2022-03-03 17:03:48,733 INFO L87 Difference]: Start difference. First operand 34903 states and 96702 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:59,894 INFO L93 Difference]: Finished difference Result 88163 states and 242602 transitions. [2022-03-03 17:03:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-03 17:03:59,894 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:03:59,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:00,060 INFO L225 Difference]: With dead ends: 88163 [2022-03-03 17:04:00,061 INFO L226 Difference]: Without dead ends: 87543 [2022-03-03 17:04:00,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6786 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=2598, Invalid=25458, Unknown=0, NotChecked=0, Total=28056 [2022-03-03 17:04:00,062 INFO L933 BasicCegarLoop]: 1037 mSDtfsCounter, 11127 mSDsluCounter, 46427 mSDsCounter, 0 mSdLazyCounter, 11481 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11127 SdHoareTripleChecker+Valid, 46731 SdHoareTripleChecker+Invalid, 12397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 11481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 821 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:00,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11127 Valid, 46731 Invalid, 12397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [95 Valid, 11481 Invalid, 0 Unknown, 821 Unchecked, 4.4s Time] [2022-03-03 17:04:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87543 states. [2022-03-03 17:04:00,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87543 to 34935. [2022-03-03 17:04:00,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34935 states, 34934 states have (on average 2.7680196942806434) internal successors, (96698), 34934 states have internal predecessors, (96698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34935 states to 34935 states and 96698 transitions. [2022-03-03 17:04:01,044 INFO L78 Accepts]: Start accepts. Automaton has 34935 states and 96698 transitions. Word has length 283 [2022-03-03 17:04:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:01,044 INFO L470 AbstractCegarLoop]: Abstraction has 34935 states and 96698 transitions. [2022-03-03 17:04:01,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34935 states and 96698 transitions. [2022-03-03 17:04:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:04:01,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:01,090 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:04:01,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-03 17:04:01,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-03-03 17:04:01,307 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -965424824, now seen corresponding path program 16 times [2022-03-03 17:04:01,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:01,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899324377] [2022-03-03 17:04:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:02,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:02,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899324377] [2022-03-03 17:04:02,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899324377] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:04:02,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595579450] [2022-03-03 17:04:02,699 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 17:04:02,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:04:02,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:04:02,701 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:04:02,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-03 17:04:02,878 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 17:04:02,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:04:02,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-03 17:04:02,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:04:03,419 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:04:03,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:04:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:04,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:04:11,578 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:04:11,579 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:04:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:11,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595579450] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:04:11,765 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:04:11,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 31, 31] total 97 [2022-03-03 17:04:11,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048260890] [2022-03-03 17:04:11,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:04:11,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:04:11,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:11,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:04:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=8937, Unknown=5, NotChecked=0, Total=9312 [2022-03-03 17:04:11,767 INFO L87 Difference]: Start difference. First operand 34935 states and 96698 transitions. Second operand has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:23,154 INFO L93 Difference]: Finished difference Result 90382 states and 248636 transitions. [2022-03-03 17:04:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-03 17:04:23,155 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:04:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:23,325 INFO L225 Difference]: With dead ends: 90382 [2022-03-03 17:04:23,326 INFO L226 Difference]: Without dead ends: 90237 [2022-03-03 17:04:23,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 581 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7469 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=3065, Invalid=28436, Unknown=5, NotChecked=0, Total=31506 [2022-03-03 17:04:23,329 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 8447 mSDsluCounter, 44133 mSDsCounter, 0 mSdLazyCounter, 11070 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8447 SdHoareTripleChecker+Valid, 44278 SdHoareTripleChecker+Invalid, 11484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 11070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 305 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:23,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8447 Valid, 44278 Invalid, 11484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [109 Valid, 11070 Invalid, 0 Unknown, 305 Unchecked, 4.2s Time] [2022-03-03 17:04:23,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90237 states. [2022-03-03 17:04:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90237 to 35049. [2022-03-03 17:04:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35049 states, 35048 states have (on average 2.7652077151335313) internal successors, (96915), 35048 states have internal predecessors, (96915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35049 states to 35049 states and 96915 transitions. [2022-03-03 17:04:24,322 INFO L78 Accepts]: Start accepts. Automaton has 35049 states and 96915 transitions. Word has length 283 [2022-03-03 17:04:24,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:24,323 INFO L470 AbstractCegarLoop]: Abstraction has 35049 states and 96915 transitions. [2022-03-03 17:04:24,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 35049 states and 96915 transitions. [2022-03-03 17:04:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:04:24,371 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:24,371 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:04:24,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-03-03 17:04:24,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:04:24,588 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:24,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:24,588 INFO L85 PathProgramCache]: Analyzing trace with hash 374893634, now seen corresponding path program 17 times [2022-03-03 17:04:24,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:24,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266299749] [2022-03-03 17:04:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:25,998 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:25,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266299749] [2022-03-03 17:04:25,998 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266299749] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:04:25,998 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962111044] [2022-03-03 17:04:25,998 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-03 17:04:25,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:04:25,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:04:26,000 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:04:26,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-03 17:04:26,196 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-03 17:04:26,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:04:26,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:04:26,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:04:26,925 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:04:26,926 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:04:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:27,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:04:32,174 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:04:32,174 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:04:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:32,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962111044] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:04:32,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:04:32,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:04:32,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800123074] [2022-03-03 17:04:32,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:04:32,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:04:32,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:32,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:04:32,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8923, Unknown=3, NotChecked=0, Total=9312 [2022-03-03 17:04:32,398 INFO L87 Difference]: Start difference. First operand 35049 states and 96915 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:45,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:45,272 INFO L93 Difference]: Finished difference Result 88039 states and 242399 transitions. [2022-03-03 17:04:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-03 17:04:45,272 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:04:45,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:45,434 INFO L225 Difference]: With dead ends: 88039 [2022-03-03 17:04:45,434 INFO L226 Difference]: Without dead ends: 87685 [2022-03-03 17:04:45,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 577 SyntacticMatches, 4 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7480 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=2906, Invalid=27193, Unknown=3, NotChecked=0, Total=30102 [2022-03-03 17:04:45,436 INFO L933 BasicCegarLoop]: 996 mSDtfsCounter, 8115 mSDsluCounter, 47528 mSDsCounter, 0 mSdLazyCounter, 11882 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8115 SdHoareTripleChecker+Valid, 47848 SdHoareTripleChecker+Invalid, 12546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 11882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 556 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:45,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8115 Valid, 47848 Invalid, 12546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [108 Valid, 11882 Invalid, 0 Unknown, 556 Unchecked, 4.9s Time] [2022-03-03 17:04:45,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87685 states. [2022-03-03 17:04:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87685 to 35053. [2022-03-03 17:04:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35053 states, 35052 states have (on average 2.7646924569211455) internal successors, (96908), 35052 states have internal predecessors, (96908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35053 states to 35053 states and 96908 transitions. [2022-03-03 17:04:46,331 INFO L78 Accepts]: Start accepts. Automaton has 35053 states and 96908 transitions. Word has length 283 [2022-03-03 17:04:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:46,331 INFO L470 AbstractCegarLoop]: Abstraction has 35053 states and 96908 transitions. [2022-03-03 17:04:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:04:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 35053 states and 96908 transitions. [2022-03-03 17:04:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:04:46,594 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:46,594 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:04:46,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-03-03 17:04:46,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:04:46,809 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:46,809 INFO L85 PathProgramCache]: Analyzing trace with hash 777302134, now seen corresponding path program 18 times [2022-03-03 17:04:46,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:46,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010580202] [2022-03-03 17:04:46,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:46,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:47,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:47,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010580202] [2022-03-03 17:04:47,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010580202] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:04:47,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452783763] [2022-03-03 17:04:47,981 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-03 17:04:47,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:04:47,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:04:47,982 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:04:47,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-03 17:04:48,238 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-03 17:04:48,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:04:48,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:04:48,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:04:48,918 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:04:48,919 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:04:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:49,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:04:54,178 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:04:54,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:04:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:04:54,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452783763] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:04:54,352 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:04:54,352 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-03 17:04:54,352 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817530193] [2022-03-03 17:04:54,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:04:54,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 17:04:54,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:54,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 17:04:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8540, Unknown=4, NotChecked=0, Total=8930 [2022-03-03 17:04:54,353 INFO L87 Difference]: Start difference. First operand 35053 states and 96908 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:08,619 INFO L93 Difference]: Finished difference Result 89147 states and 244269 transitions. [2022-03-03 17:05:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-03-03 17:05:08,619 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:05:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:08,791 INFO L225 Difference]: With dead ends: 89147 [2022-03-03 17:05:08,792 INFO L226 Difference]: Without dead ends: 88839 [2022-03-03 17:05:08,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 560 SyntacticMatches, 2 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8949 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=4185, Invalid=32483, Unknown=4, NotChecked=0, Total=36672 [2022-03-03 17:05:08,793 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 9098 mSDsluCounter, 37581 mSDsCounter, 0 mSdLazyCounter, 8462 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9098 SdHoareTripleChecker+Valid, 38045 SdHoareTripleChecker+Invalid, 9095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 8462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 427 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:08,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9098 Valid, 38045 Invalid, 9095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [206 Valid, 8462 Invalid, 0 Unknown, 427 Unchecked, 3.4s Time] [2022-03-03 17:05:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88839 states. [2022-03-03 17:05:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88839 to 35147. [2022-03-03 17:05:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35147 states, 35146 states have (on average 2.7644966710294203) internal successors, (97161), 35146 states have internal predecessors, (97161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35147 states to 35147 states and 97161 transitions. [2022-03-03 17:05:09,835 INFO L78 Accepts]: Start accepts. Automaton has 35147 states and 97161 transitions. Word has length 283 [2022-03-03 17:05:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:09,836 INFO L470 AbstractCegarLoop]: Abstraction has 35147 states and 97161 transitions. [2022-03-03 17:05:09,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 35147 states and 97161 transitions. [2022-03-03 17:05:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:05:09,879 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:09,880 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:05:09,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-03-03 17:05:10,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:05:10,092 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash 406115260, now seen corresponding path program 19 times [2022-03-03 17:05:10,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:10,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72177999] [2022-03-03 17:05:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:11,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:11,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72177999] [2022-03-03 17:05:11,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72177999] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:05:11,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706331864] [2022-03-03 17:05:11,728 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-03 17:05:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:05:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:05:11,729 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:05:11,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-03 17:05:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:11,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:05:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:05:12,835 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:05:12,835 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:05:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:13,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:05:19,822 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:05:19,822 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:05:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:20,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706331864] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:05:20,015 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:05:20,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-03 17:05:20,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167655949] [2022-03-03 17:05:20,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:05:20,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 17:05:20,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:20,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 17:05:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=8532, Unknown=6, NotChecked=0, Total=8930 [2022-03-03 17:05:20,017 INFO L87 Difference]: Start difference. First operand 35147 states and 97161 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:32,500 INFO L93 Difference]: Finished difference Result 91847 states and 251927 transitions. [2022-03-03 17:05:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-03-03 17:05:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:05:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:32,672 INFO L225 Difference]: With dead ends: 91847 [2022-03-03 17:05:32,672 INFO L226 Difference]: Without dead ends: 91730 [2022-03-03 17:05:32,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 564 SyntacticMatches, 16 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6728 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=2852, Invalid=23224, Unknown=6, NotChecked=0, Total=26082 [2022-03-03 17:05:32,673 INFO L933 BasicCegarLoop]: 972 mSDtfsCounter, 8942 mSDsluCounter, 46680 mSDsCounter, 0 mSdLazyCounter, 10712 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8942 SdHoareTripleChecker+Valid, 46829 SdHoareTripleChecker+Invalid, 11581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 10712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 815 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:32,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8942 Valid, 46829 Invalid, 11581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 10712 Invalid, 0 Unknown, 815 Unchecked, 4.3s Time] [2022-03-03 17:05:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91730 states. [2022-03-03 17:05:33,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91730 to 35390. [2022-03-03 17:05:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35390 states, 35389 states have (on average 2.7643335499731556) internal successors, (97827), 35389 states have internal predecessors, (97827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35390 states to 35390 states and 97827 transitions. [2022-03-03 17:05:33,695 INFO L78 Accepts]: Start accepts. Automaton has 35390 states and 97827 transitions. Word has length 283 [2022-03-03 17:05:33,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:33,695 INFO L470 AbstractCegarLoop]: Abstraction has 35390 states and 97827 transitions. [2022-03-03 17:05:33,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 35390 states and 97827 transitions. [2022-03-03 17:05:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:05:33,741 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:33,742 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:05:33,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-03-03 17:05:33,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:05:33,953 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:33,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:33,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1870527642, now seen corresponding path program 20 times [2022-03-03 17:05:33,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:33,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196065277] [2022-03-03 17:05:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:33,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:35,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:35,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196065277] [2022-03-03 17:05:35,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196065277] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:05:35,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644501283] [2022-03-03 17:05:35,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 17:05:35,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:05:35,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:05:35,147 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:05:35,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-03 17:05:35,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 17:05:35,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:05:35,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:05:35,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:05:36,107 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:05:36,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:05:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:36,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:05:41,273 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:05:41,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:05:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:41,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644501283] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:05:41,489 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:05:41,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 31] total 100 [2022-03-03 17:05:41,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363559298] [2022-03-03 17:05:41,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:05:41,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-03 17:05:41,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:41,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-03 17:05:41,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=9471, Unknown=3, NotChecked=0, Total=9900 [2022-03-03 17:05:41,491 INFO L87 Difference]: Start difference. First operand 35390 states and 97827 transitions. Second operand has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:54,424 INFO L93 Difference]: Finished difference Result 95359 states and 263179 transitions. [2022-03-03 17:05:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-03 17:05:54,424 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:05:54,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:54,602 INFO L225 Difference]: With dead ends: 95359 [2022-03-03 17:05:54,602 INFO L226 Difference]: Without dead ends: 95041 [2022-03-03 17:05:54,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 581 SyntacticMatches, 3 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9153 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=4121, Invalid=31786, Unknown=3, NotChecked=0, Total=35910 [2022-03-03 17:05:54,604 INFO L933 BasicCegarLoop]: 930 mSDtfsCounter, 9422 mSDsluCounter, 41567 mSDsCounter, 0 mSdLazyCounter, 9140 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9422 SdHoareTripleChecker+Valid, 41470 SdHoareTripleChecker+Invalid, 11394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 9140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2114 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:54,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9422 Valid, 41470 Invalid, 11394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [140 Valid, 9140 Invalid, 0 Unknown, 2114 Unchecked, 3.5s Time] [2022-03-03 17:05:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95041 states. [2022-03-03 17:05:55,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95041 to 35524. [2022-03-03 17:05:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35524 states, 35523 states have (on average 2.764434310165245) internal successors, (98201), 35523 states have internal predecessors, (98201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35524 states to 35524 states and 98201 transitions. [2022-03-03 17:05:55,781 INFO L78 Accepts]: Start accepts. Automaton has 35524 states and 98201 transitions. Word has length 283 [2022-03-03 17:05:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:55,781 INFO L470 AbstractCegarLoop]: Abstraction has 35524 states and 98201 transitions. [2022-03-03 17:05:55,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 35524 states and 98201 transitions. [2022-03-03 17:05:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:05:55,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:55,824 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:05:55,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-03-03 17:05:56,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-03-03 17:05:56,042 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:56,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:56,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1087604220, now seen corresponding path program 21 times [2022-03-03 17:05:56,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:56,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578213613] [2022-03-03 17:05:56,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:56,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:57,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:57,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578213613] [2022-03-03 17:05:57,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578213613] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:05:57,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21713943] [2022-03-03 17:05:57,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 17:05:57,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:05:57,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:05:57,119 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:05:57,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-03-03 17:05:57,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-03 17:05:57,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:05:57,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:05:57,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:05:57,974 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:05:57,974 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:05:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:05:58,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:06:03,121 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:06:03,122 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:06:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:03,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21713943] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:06:03,336 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:06:03,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41, 31] total 96 [2022-03-03 17:06:03,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246962504] [2022-03-03 17:06:03,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:06:03,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-03-03 17:06:03,337 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:06:03,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-03-03 17:06:03,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=8721, Unknown=4, NotChecked=0, Total=9120 [2022-03-03 17:06:03,338 INFO L87 Difference]: Start difference. First operand 35524 states and 98201 transitions. Second operand has 96 states, 96 states have (on average 5.364583333333333) internal successors, (515), 96 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:13,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:06:13,823 INFO L93 Difference]: Finished difference Result 99994 states and 276294 transitions. [2022-03-03 17:06:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-03-03 17:06:13,824 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 5.364583333333333) internal successors, (515), 96 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:06:13,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:06:14,049 INFO L225 Difference]: With dead ends: 99994 [2022-03-03 17:06:14,049 INFO L226 Difference]: Without dead ends: 99849 [2022-03-03 17:06:14,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 580 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7347 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=2752, Invalid=26314, Unknown=4, NotChecked=0, Total=29070 [2022-03-03 17:06:14,051 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 8533 mSDsluCounter, 47005 mSDsCounter, 0 mSdLazyCounter, 9824 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8533 SdHoareTripleChecker+Valid, 47342 SdHoareTripleChecker+Invalid, 11846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 9824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1965 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:06:14,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8533 Valid, 47342 Invalid, 11846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 9824 Invalid, 0 Unknown, 1965 Unchecked, 3.8s Time] [2022-03-03 17:06:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99849 states. [2022-03-03 17:06:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99849 to 36968. [2022-03-03 17:06:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36968 states, 36967 states have (on average 2.76557470176103) internal successors, (102235), 36967 states have internal predecessors, (102235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36968 states to 36968 states and 102235 transitions. [2022-03-03 17:06:15,149 INFO L78 Accepts]: Start accepts. Automaton has 36968 states and 102235 transitions. Word has length 283 [2022-03-03 17:06:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:06:15,149 INFO L470 AbstractCegarLoop]: Abstraction has 36968 states and 102235 transitions. [2022-03-03 17:06:15,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.364583333333333) internal successors, (515), 96 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 36968 states and 102235 transitions. [2022-03-03 17:06:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:06:15,195 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:06:15,195 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:06:15,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-03-03 17:06:15,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2022-03-03 17:06:15,398 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:06:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:06:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -365738120, now seen corresponding path program 22 times [2022-03-03 17:06:15,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:06:15,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418192047] [2022-03-03 17:06:15,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:06:15,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:06:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:06:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:16,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:06:16,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418192047] [2022-03-03 17:06:16,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418192047] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:06:16,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106136679] [2022-03-03 17:06:16,464 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 17:06:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:06:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:06:16,465 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:06:16,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-03-03 17:06:16,656 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 17:06:16,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:06:16,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-03 17:06:16,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:06:17,502 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:06:17,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:06:18,303 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:18,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:06:24,383 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:06:24,384 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:06:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:24,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106136679] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:06:24,565 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:06:24,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 31, 31] total 96 [2022-03-03 17:06:24,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591807204] [2022-03-03 17:06:24,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:06:24,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-03-03 17:06:24,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:06:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-03-03 17:06:24,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=8745, Unknown=4, NotChecked=0, Total=9120 [2022-03-03 17:06:24,567 INFO L87 Difference]: Start difference. First operand 36968 states and 102235 transitions. Second operand has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:06:37,706 INFO L93 Difference]: Finished difference Result 94484 states and 260241 transitions. [2022-03-03 17:06:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-03 17:06:37,707 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:06:37,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:06:37,894 INFO L225 Difference]: With dead ends: 94484 [2022-03-03 17:06:37,894 INFO L226 Difference]: Without dead ends: 94339 [2022-03-03 17:06:37,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 589 SyntacticMatches, 9 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8409 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=3224, Invalid=30812, Unknown=4, NotChecked=0, Total=34040 [2022-03-03 17:06:37,898 INFO L933 BasicCegarLoop]: 1033 mSDtfsCounter, 10214 mSDsluCounter, 42511 mSDsCounter, 0 mSdLazyCounter, 9021 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10214 SdHoareTripleChecker+Valid, 42949 SdHoareTripleChecker+Invalid, 11587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 9021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2469 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:06:37,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10214 Valid, 42949 Invalid, 11587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [97 Valid, 9021 Invalid, 0 Unknown, 2469 Unchecked, 3.8s Time] [2022-03-03 17:06:38,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94339 states. [2022-03-03 17:06:38,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94339 to 37410. [2022-03-03 17:06:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37410 states, 37409 states have (on average 2.759015210243524) internal successors, (103212), 37409 states have internal predecessors, (103212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37410 states to 37410 states and 103212 transitions. [2022-03-03 17:06:38,999 INFO L78 Accepts]: Start accepts. Automaton has 37410 states and 103212 transitions. Word has length 283 [2022-03-03 17:06:38,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:06:39,000 INFO L470 AbstractCegarLoop]: Abstraction has 37410 states and 103212 transitions. [2022-03-03 17:06:39,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 37410 states and 103212 transitions. [2022-03-03 17:06:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:06:39,215 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:06:39,215 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:06:39,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-03-03 17:06:39,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-03-03 17:06:39,433 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:06:39,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:06:39,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1797360222, now seen corresponding path program 23 times [2022-03-03 17:06:39,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:06:39,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191204908] [2022-03-03 17:06:39,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:06:39,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:06:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:06:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:40,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:06:40,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191204908] [2022-03-03 17:06:40,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191204908] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:06:40,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248709216] [2022-03-03 17:06:40,570 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-03 17:06:40,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:06:40,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:06:40,571 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:06:40,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-03-03 17:06:40,811 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-03 17:06:40,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:06:40,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:06:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:06:41,609 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:06:41,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:06:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:42,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:06:46,113 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:06:46,113 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:06:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:06:46,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248709216] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:06:46,304 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:06:46,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-03 17:06:46,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372088629] [2022-03-03 17:06:46,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:06:46,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 17:06:46,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:06:46,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 17:06:46,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=8544, Unknown=3, NotChecked=0, Total=8930 [2022-03-03 17:06:46,305 INFO L87 Difference]: Start difference. First operand 37410 states and 103212 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:07:15,415 INFO L93 Difference]: Finished difference Result 134840 states and 373006 transitions. [2022-03-03 17:07:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-03-03 17:07:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:07:15,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:07:15,706 INFO L225 Difference]: With dead ends: 134840 [2022-03-03 17:07:15,706 INFO L226 Difference]: Without dead ends: 134398 [2022-03-03 17:07:15,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 645 SyntacticMatches, 1 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22073 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=8117, Invalid=66682, Unknown=3, NotChecked=0, Total=74802 [2022-03-03 17:07:15,710 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 11611 mSDsluCounter, 54967 mSDsCounter, 0 mSdLazyCounter, 11982 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11611 SdHoareTripleChecker+Valid, 55196 SdHoareTripleChecker+Invalid, 13679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 11982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1505 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:07:15,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11611 Valid, 55196 Invalid, 13679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [192 Valid, 11982 Invalid, 0 Unknown, 1505 Unchecked, 4.8s Time] [2022-03-03 17:07:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134398 states. [2022-03-03 17:07:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134398 to 37526. [2022-03-03 17:07:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37526 states, 37525 states have (on average 2.7585076615589608) internal successors, (103513), 37525 states have internal predecessors, (103513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37526 states to 37526 states and 103513 transitions. [2022-03-03 17:07:17,118 INFO L78 Accepts]: Start accepts. Automaton has 37526 states and 103513 transitions. Word has length 283 [2022-03-03 17:07:17,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:07:17,119 INFO L470 AbstractCegarLoop]: Abstraction has 37526 states and 103513 transitions. [2022-03-03 17:07:17,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 37526 states and 103513 transitions. [2022-03-03 17:07:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:07:17,168 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:07:17,169 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:07:17,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-03-03 17:07:17,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:07:17,384 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:07:17,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:07:17,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1587889104, now seen corresponding path program 1 times [2022-03-03 17:07:17,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:07:17,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822951954] [2022-03-03 17:07:17,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:07:17,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:07:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:07:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 17:07:17,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:07:17,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822951954] [2022-03-03 17:07:17,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822951954] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:07:17,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519391103] [2022-03-03 17:07:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:07:17,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:07:17,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:07:17,466 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:07:17,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-03-03 17:07:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:07:17,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-03 17:07:17,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:07:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 17:07:18,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:07:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-03 17:07:18,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519391103] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:07:18,319 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:07:18,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-03-03 17:07:18,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626963584] [2022-03-03 17:07:18,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:07:18,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 17:07:18,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:07:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 17:07:18,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-03 17:07:18,320 INFO L87 Difference]: Start difference. First operand 37526 states and 103513 transitions. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:18,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:07:18,890 INFO L93 Difference]: Finished difference Result 79207 states and 216676 transitions. [2022-03-03 17:07:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 17:07:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:07:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:07:19,211 INFO L225 Difference]: With dead ends: 79207 [2022-03-03 17:07:19,211 INFO L226 Difference]: Without dead ends: 79179 [2022-03-03 17:07:19,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:07:19,212 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 1111 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:07:19,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1111 Valid, 2959 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:07:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79179 states. [2022-03-03 17:07:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79179 to 67002. [2022-03-03 17:07:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67002 states, 67001 states have (on average 2.761794600080596) internal successors, (185043), 67001 states have internal predecessors, (185043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67002 states to 67002 states and 185043 transitions. [2022-03-03 17:07:20,545 INFO L78 Accepts]: Start accepts. Automaton has 67002 states and 185043 transitions. Word has length 283 [2022-03-03 17:07:20,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:07:20,545 INFO L470 AbstractCegarLoop]: Abstraction has 67002 states and 185043 transitions. [2022-03-03 17:07:20,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 67002 states and 185043 transitions. [2022-03-03 17:07:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:07:20,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:07:20,823 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:07:20,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-03-03 17:07:21,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-03-03 17:07:21,038 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:07:21,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:07:21,040 INFO L85 PathProgramCache]: Analyzing trace with hash 10754922, now seen corresponding path program 24 times [2022-03-03 17:07:21,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:07:21,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983619268] [2022-03-03 17:07:21,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:07:21,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:07:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:07:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:22,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:07:22,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983619268] [2022-03-03 17:07:22,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983619268] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:07:22,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157398330] [2022-03-03 17:07:22,593 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-03 17:07:22,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:07:22,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:07:22,594 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:07:22,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-03-03 17:07:22,803 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-03 17:07:22,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:07:22,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:07:22,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:07:23,740 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:07:23,740 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:07:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:24,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:07:28,939 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:07:28,939 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:07:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:29,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157398330] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:07:29,092 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:07:29,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-03 17:07:29,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385921513] [2022-03-03 17:07:29,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:07:29,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-03 17:07:29,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:07:29,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-03 17:07:29,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=8542, Unknown=4, NotChecked=0, Total=8930 [2022-03-03 17:07:29,094 INFO L87 Difference]: Start difference. First operand 67002 states and 185043 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:07:37,809 INFO L93 Difference]: Finished difference Result 103023 states and 283301 transitions. [2022-03-03 17:07:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-03 17:07:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:07:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:07:38,102 INFO L225 Difference]: With dead ends: 103023 [2022-03-03 17:07:38,103 INFO L226 Difference]: Without dead ends: 102878 [2022-03-03 17:07:38,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6150 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=2388, Invalid=22414, Unknown=4, NotChecked=0, Total=24806 [2022-03-03 17:07:38,105 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 10538 mSDsluCounter, 41139 mSDsCounter, 0 mSdLazyCounter, 9227 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10538 SdHoareTripleChecker+Valid, 41377 SdHoareTripleChecker+Invalid, 11290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 9227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1996 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:07:38,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10538 Valid, 41377 Invalid, 11290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 9227 Invalid, 0 Unknown, 1996 Unchecked, 3.6s Time] [2022-03-03 17:07:38,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102878 states. [2022-03-03 17:07:39,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102878 to 66668. [2022-03-03 17:07:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66668 states, 66667 states have (on average 2.765176174119129) internal successors, (184346), 66667 states have internal predecessors, (184346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66668 states to 66668 states and 184346 transitions. [2022-03-03 17:07:39,421 INFO L78 Accepts]: Start accepts. Automaton has 66668 states and 184346 transitions. Word has length 283 [2022-03-03 17:07:39,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:07:39,422 INFO L470 AbstractCegarLoop]: Abstraction has 66668 states and 184346 transitions. [2022-03-03 17:07:39,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 66668 states and 184346 transitions. [2022-03-03 17:07:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:07:39,686 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:07:39,687 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:07:39,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-03-03 17:07:39,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-03-03 17:07:39,903 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:07:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:07:39,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1420757776, now seen corresponding path program 25 times [2022-03-03 17:07:39,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:07:39,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928533060] [2022-03-03 17:07:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:07:39,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:07:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:07:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:41,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:07:41,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928533060] [2022-03-03 17:07:41,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928533060] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:07:41,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981418548] [2022-03-03 17:07:41,350 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-03 17:07:41,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:07:41,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:07:41,351 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:07:41,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-03-03 17:07:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:07:41,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:07:41,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:07:42,172 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:07:42,173 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:07:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:42,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:07:46,641 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:07:46,641 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:07:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:07:46,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981418548] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:07:46,846 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:07:46,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 36, 31] total 99 [2022-03-03 17:07:46,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848549426] [2022-03-03 17:07:46,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:07:46,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-03 17:07:46,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:07:46,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-03 17:07:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=9304, Unknown=3, NotChecked=0, Total=9702 [2022-03-03 17:07:46,848 INFO L87 Difference]: Start difference. First operand 66668 states and 184346 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:07:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:07:58,476 INFO L93 Difference]: Finished difference Result 102520 states and 282092 transitions. [2022-03-03 17:07:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-03 17:07:58,477 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:07:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:07:58,840 INFO L225 Difference]: With dead ends: 102520 [2022-03-03 17:07:58,841 INFO L226 Difference]: Without dead ends: 102140 [2022-03-03 17:07:58,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 579 SyntacticMatches, 3 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7587 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=2905, Invalid=27892, Unknown=3, NotChecked=0, Total=30800 [2022-03-03 17:07:58,842 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 8902 mSDsluCounter, 48301 mSDsCounter, 0 mSdLazyCounter, 10342 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8902 SdHoareTripleChecker+Valid, 48556 SdHoareTripleChecker+Invalid, 13729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 10342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3328 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:07:58,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8902 Valid, 48556 Invalid, 13729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [59 Valid, 10342 Invalid, 0 Unknown, 3328 Unchecked, 4.0s Time] [2022-03-03 17:07:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102140 states. [2022-03-03 17:08:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102140 to 66738. [2022-03-03 17:08:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66738 states, 66737 states have (on average 2.7642986649085217) internal successors, (184481), 66737 states have internal predecessors, (184481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:08:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66738 states to 66738 states and 184481 transitions. [2022-03-03 17:08:00,455 INFO L78 Accepts]: Start accepts. Automaton has 66738 states and 184481 transitions. Word has length 283 [2022-03-03 17:08:00,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:08:00,455 INFO L470 AbstractCegarLoop]: Abstraction has 66738 states and 184481 transitions. [2022-03-03 17:08:00,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:08:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 66738 states and 184481 transitions. [2022-03-03 17:08:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:08:00,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:08:00,548 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:08:00,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-03-03 17:08:00,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:08:00,764 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:08:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:08:00,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1533891062, now seen corresponding path program 26 times [2022-03-03 17:08:00,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:08:00,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570359870] [2022-03-03 17:08:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:08:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:08:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:08:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:02,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:08:02,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570359870] [2022-03-03 17:08:02,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570359870] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:08:02,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959883898] [2022-03-03 17:08:02,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 17:08:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:08:02,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:08:02,091 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:08:02,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-03-03 17:08:02,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 17:08:02,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:08:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-03 17:08:02,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:08:03,031 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:08:03,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-03 17:08:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:03,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:08:08,304 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:08:08,305 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:08:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:08,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959883898] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:08:08,466 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:08:08,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 36, 31] total 99 [2022-03-03 17:08:08,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651750544] [2022-03-03 17:08:08,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:08:08,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-03 17:08:08,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:08:08,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-03 17:08:08,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=9303, Unknown=4, NotChecked=0, Total=9702 [2022-03-03 17:08:08,468 INFO L87 Difference]: Start difference. First operand 66738 states and 184481 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:08:24,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:08:24,877 INFO L93 Difference]: Finished difference Result 124478 states and 343272 transitions. [2022-03-03 17:08:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-03 17:08:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-03 17:08:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:08:25,173 INFO L225 Difference]: With dead ends: 124478 [2022-03-03 17:08:25,174 INFO L226 Difference]: Without dead ends: 124117 [2022-03-03 17:08:25,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 836 GetRequests, 620 SyntacticMatches, 2 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12193 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=4246, Invalid=42190, Unknown=4, NotChecked=0, Total=46440 [2022-03-03 17:08:25,176 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 11900 mSDsluCounter, 54975 mSDsCounter, 0 mSdLazyCounter, 14881 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11900 SdHoareTripleChecker+Valid, 55370 SdHoareTripleChecker+Invalid, 16687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 14881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1712 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-03 17:08:25,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11900 Valid, 55370 Invalid, 16687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 14881 Invalid, 0 Unknown, 1712 Unchecked, 5.7s Time] [2022-03-03 17:08:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124117 states. [2022-03-03 17:08:26,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124117 to 66955. [2022-03-03 17:08:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66955 states, 66954 states have (on average 2.7632703049855123) internal successors, (185012), 66954 states have internal predecessors, (185012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:08:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66955 states to 66955 states and 185012 transitions. [2022-03-03 17:08:26,946 INFO L78 Accepts]: Start accepts. Automaton has 66955 states and 185012 transitions. Word has length 283 [2022-03-03 17:08:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:08:26,946 INFO L470 AbstractCegarLoop]: Abstraction has 66955 states and 185012 transitions. [2022-03-03 17:08:26,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:08:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 66955 states and 185012 transitions. [2022-03-03 17:08:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-03 17:08:27,011 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:08:27,011 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:08:27,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-03-03 17:08:27,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:08:27,230 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:08:27,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:08:27,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1131482562, now seen corresponding path program 27 times [2022-03-03 17:08:27,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:08:27,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693281362] [2022-03-03 17:08:27,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:08:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:08:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:08:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:28,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:08:28,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693281362] [2022-03-03 17:08:28,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693281362] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:08:28,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77477495] [2022-03-03 17:08:28,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 17:08:28,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:08:28,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:08:28,653 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:08:28,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-03-03 17:08:28,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-03 17:08:28,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:08:28,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-03 17:08:28,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:08:29,676 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-03 17:08:29,678 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-03 17:08:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:30,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:08:33,336 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-03 17:08:33,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-03 17:08:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-03 17:08:33,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77477495] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:08:33,544 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:08:33,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-03 17:08:33,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688638741] [2022-03-03 17:08:33,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:08:33,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-03 17:08:33,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:08:33,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-03 17:08:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=8912, Unknown=2, NotChecked=0, Total=9312 [2022-03-03 17:08:33,546 INFO L87 Difference]: Start difference. First operand 66955 states and 185012 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2022-03-03 17:08:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 17:08:38,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 544 SyntacticMatches, 2 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4412 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1291, Invalid=15477, Unknown=2, NotChecked=0, Total=16770 [2022-03-03 17:08:38,254 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 2526 mSDsluCounter, 25165 mSDsCounter, 0 mSdLazyCounter, 5337 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 25415 SdHoareTripleChecker+Invalid, 5689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 5337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 334 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:08:38,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2526 Valid, 25415 Invalid, 5689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 5337 Invalid, 0 Unknown, 334 Unchecked, 2.1s Time] [2022-03-03 17:08:38,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-03 17:08:38,267 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-03 17:08:38,269 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-03 17:08:38,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-03-03 17:08:38,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2022-03-03 17:08:38,456 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (66955states) and FLOYD_HOARE automaton (currently 37 states, 97 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. [2022-03-03 17:08:38,458 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-03 17:08:38,458 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-03 17:08:38,460 INFO L732 BasicCegarLoop]: Path program histogram: [27, 16, 10, 5, 1, 1, 1, 1, 1] [2022-03-03 17:08:38,461 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 17:08:38,461 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 17:08:38,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 05:08:38 BasicIcfg [2022-03-03 17:08:38,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 17:08:38,462 INFO L158 Benchmark]: Toolchain (without parser) took 834577.35ms. Allocated memory was 201.3MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 147.6MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-03 17:08:38,462 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 164.7MB in the beginning and 164.6MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 17:08:38,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.10ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 174.3MB in the end (delta: -26.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-03-03 17:08:38,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.66ms. Allocated memory is still 201.3MB. Free memory was 174.3MB in the beginning and 172.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 17:08:38,462 INFO L158 Benchmark]: Boogie Preprocessor took 22.65ms. Allocated memory is still 201.3MB. Free memory was 172.3MB in the beginning and 170.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 17:08:38,462 INFO L158 Benchmark]: RCFGBuilder took 469.67ms. Allocated memory is still 201.3MB. Free memory was 170.2MB in the beginning and 152.2MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-03-03 17:08:38,463 INFO L158 Benchmark]: TraceAbstraction took 833733.43ms. Allocated memory was 201.3MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 151.8MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-03 17:08:38,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 164.7MB in the beginning and 164.6MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 305.10ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 174.3MB in the end (delta: -26.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.66ms. Allocated memory is still 201.3MB. Free memory was 174.3MB in the beginning and 172.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.65ms. Allocated memory is still 201.3MB. Free memory was 172.3MB in the beginning and 170.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 469.67ms. Allocated memory is still 201.3MB. Free memory was 170.2MB in the beginning and 152.2MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 833733.43ms. Allocated memory was 201.3MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 151.8MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (66955states) and FLOYD_HOARE automaton (currently 37 states, 97 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (66955states) and FLOYD_HOARE automaton (currently 37 states, 97 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (66955states) and FLOYD_HOARE automaton (currently 37 states, 97 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 358 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 833.6s, OverallIterations: 63, TraceHistogramMax: 5, PathProgramHistogramMax: 27, EmptinessCheckTime: 2.9s, AutomataDifference: 561.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296116 SdHoareTripleChecker+Valid, 134.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296116 mSDsluCounter, 1456470 SdHoareTripleChecker+Invalid, 114.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 54306 IncrementalHoareTripleChecker+Unchecked, 1433725 mSDsCounter, 4208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327491 IncrementalHoareTripleChecker+Invalid, 386005 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4208 mSolverCounterUnsat, 45089 mSDtfsCounter, 327491 mSolverCounterSat, 2.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26078 GetRequests, 19306 SyntacticMatches, 177 SemanticMatches, 6594 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 812697 ImplicationChecksByTransitivity, 511.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67002occurred in iteration=59, InterpolantAutomatonStates: 4063, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 45.0s AutomataMinimizationTime, 62 MinimizatonAttempts, 2109510 StatesRemovedByMinimization, 59 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 207.0s InterpolantComputationTime, 24905 NumberOfCodeBlocks, 24235 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 33335 ConstructedInterpolants, 84 QuantifiedInterpolants, 272781 SizeOfPredicates, 1245 NumberOfNonLiveVariables, 16011 ConjunctsInSsa, 2251 ConjunctsInUnsatCore, 127 InterpolantComputations, 32 PerfectInterpolantSequences, 17394/17685 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown