/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 02:15:15,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 02:15:15,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 02:15:15,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 02:15:15,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 02:15:15,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 02:15:15,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 02:15:15,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 02:15:15,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 02:15:15,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 02:15:15,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 02:15:15,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 02:15:15,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 02:15:15,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 02:15:15,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 02:15:15,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 02:15:15,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 02:15:15,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 02:15:15,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 02:15:15,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 02:15:15,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-18 02:15:15,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 02:15:15,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 02:15:15,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 02:15:15,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 02:15:15,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 02:15:15,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 02:15:15,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 02:15:15,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 02:15:15,298 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 02:15:15,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 02:15:15,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 02:15:15,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 02:15:15,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 02:15:15,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 02:15:15,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 02:15:15,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 02:15:15,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 02:15:15,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 02:15:15,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 02:15:15,545 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 02:15:15,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-01-18 02:15:15,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6d1cd67/d5989c58bc334f248df2225756558563/FLAG446fb3577 [2022-01-18 02:15:15,923 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 02:15:15,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-01-18 02:15:15,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6d1cd67/d5989c58bc334f248df2225756558563/FLAG446fb3577 [2022-01-18 02:15:16,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6d1cd67/d5989c58bc334f248df2225756558563 [2022-01-18 02:15:16,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 02:15:16,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 02:15:16,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 02:15:16,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 02:15:16,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 02:15:16,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da9e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16, skipping insertion in model container [2022-01-18 02:15:16,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 02:15:16,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 02:15:16,507 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/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-01-18 02:15:16,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 02:15:16,542 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 02:15:16,574 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/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-01-18 02:15:16,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 02:15:16,589 INFO L208 MainTranslator]: Completed translation [2022-01-18 02:15:16,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16 WrapperNode [2022-01-18 02:15:16,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 02:15:16,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 02:15:16,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 02:15:16,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 02:15:16,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,636 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 179 [2022-01-18 02:15:16,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 02:15:16,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 02:15:16,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 02:15:16,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 02:15:16,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 02:15:16,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 02:15:16,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 02:15:16,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 02:15:16,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (1/1) ... [2022-01-18 02:15:16,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 02:15:16,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:16,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 02:15:16,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 02:15:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 02:15:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 02:15:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 02:15:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 02:15:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 02:15:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 02:15:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 02:15:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 02:15:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 02:15:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 02:15:16,752 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 02:15:16,859 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 02:15:16,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 02:15:17,104 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 02:15:17,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 02:15:17,216 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-18 02:15:17,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:15:17 BoogieIcfgContainer [2022-01-18 02:15:17,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 02:15:17,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 02:15:17,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 02:15:17,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 02:15:17,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 02:15:16" (1/3) ... [2022-01-18 02:15:17,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6287e941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 02:15:17, skipping insertion in model container [2022-01-18 02:15:17,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 02:15:16" (2/3) ... [2022-01-18 02:15:17,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6287e941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 02:15:17, skipping insertion in model container [2022-01-18 02:15:17,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:15:17" (3/3) ... [2022-01-18 02:15:17,234 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2022-01-18 02:15:17,237 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 02:15:17,238 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 02:15:17,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 02:15:17,238 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 02:15:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,284 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 02:15:17,306 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 02:15:17,334 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 02:15:17,340 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 02:15:17,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 02:15:17,353 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 154 transitions, 332 flow [2022-01-18 02:15:17,522 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 02:15:17,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:17,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:17,586 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:17,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:17,594 INFO L85 PathProgramCache]: Analyzing trace with hash 187013913, now seen corresponding path program 1 times [2022-01-18 02:15:17,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:17,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490130770] [2022-01-18 02:15:17,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:17,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:17,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:17,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490130770] [2022-01-18 02:15:17,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490130770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 02:15:17,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 02:15:17,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 02:15:17,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622366343] [2022-01-18 02:15:17,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 02:15:17,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 02:15:17,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:17,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 02:15:17,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 02:15:17,864 INFO L87 Difference]: Start difference. First operand has 5554 states, 5553 states have (on average 3.622186205654601) internal successors, (20114), 5553 states have internal predecessors, (20114), 0 states have call successors, (0), 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 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:17,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:17,967 INFO L93 Difference]: Finished difference Result 5554 states and 19153 transitions. [2022-01-18 02:15:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 02:15:17,969 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-01-18 02:15:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:18,022 INFO L225 Difference]: With dead ends: 5554 [2022-01-18 02:15:18,022 INFO L226 Difference]: Without dead ends: 5551 [2022-01-18 02:15:18,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 02:15:18,026 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:18,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 02:15:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2022-01-18 02:15:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 5551. [2022-01-18 02:15:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 3.4504504504504503) internal successors, (19150), 5550 states have internal predecessors, (19150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 19150 transitions. [2022-01-18 02:15:18,276 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 19150 transitions. Word has length 114 [2022-01-18 02:15:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:18,277 INFO L470 AbstractCegarLoop]: Abstraction has 5551 states and 19150 transitions. [2022-01-18 02:15:18,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 19150 transitions. [2022-01-18 02:15:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-18 02:15:18,294 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:18,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:18,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 02:15:18,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:18,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:18,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1287777498, now seen corresponding path program 1 times [2022-01-18 02:15:18,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:18,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593005067] [2022-01-18 02:15:18,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:18,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:18,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:18,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593005067] [2022-01-18 02:15:18,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593005067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 02:15:18,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 02:15:18,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 02:15:18,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116369156] [2022-01-18 02:15:18,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 02:15:18,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 02:15:18,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:18,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 02:15:18,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-18 02:15:18,481 INFO L87 Difference]: Start difference. First operand 5551 states and 19150 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:18,668 INFO L93 Difference]: Finished difference Result 6254 states and 21118 transitions. [2022-01-18 02:15:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 02:15:18,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-01-18 02:15:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:18,694 INFO L225 Difference]: With dead ends: 6254 [2022-01-18 02:15:18,695 INFO L226 Difference]: Without dead ends: 5557 [2022-01-18 02:15:18,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-01-18 02:15:18,696 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 337 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:18,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 350 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 02:15:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-01-18 02:15:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 5552. [2022-01-18 02:15:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5551 states have (on average 3.4500090073860568) internal successors, (19151), 5551 states have internal predecessors, (19151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 19151 transitions. [2022-01-18 02:15:18,836 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 19151 transitions. Word has length 114 [2022-01-18 02:15:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:18,838 INFO L470 AbstractCegarLoop]: Abstraction has 5552 states and 19151 transitions. [2022-01-18 02:15:18,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 19151 transitions. [2022-01-18 02:15:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 02:15:18,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:18,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:18,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 02:15:18,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:18,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash 407512236, now seen corresponding path program 1 times [2022-01-18 02:15:18,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:18,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551569443] [2022-01-18 02:15:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:18,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:19,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:19,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551569443] [2022-01-18 02:15:19,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551569443] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 02:15:19,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960716687] [2022-01-18 02:15:19,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:19,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:19,051 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) [2022-01-18 02:15:19,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 02:15:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:19,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 02:15:19,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 02:15:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:19,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 02:15:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:19,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960716687] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 02:15:19,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 02:15:19,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-01-18 02:15:19,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506248284] [2022-01-18 02:15:19,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 02:15:19,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 02:15:19,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 02:15:19,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-01-18 02:15:19,741 INFO L87 Difference]: Start difference. First operand 5552 states and 19151 transitions. Second operand has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:19,910 INFO L93 Difference]: Finished difference Result 6885 states and 22883 transitions. [2022-01-18 02:15:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 02:15:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-18 02:15:19,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:19,934 INFO L225 Difference]: With dead ends: 6885 [2022-01-18 02:15:19,935 INFO L226 Difference]: Without dead ends: 5564 [2022-01-18 02:15:19,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-01-18 02:15:19,936 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 711 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:19,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 707 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 02:15:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5564 states. [2022-01-18 02:15:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5564 to 5559. [2022-01-18 02:15:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 5558 states have (on average 3.4469233537243613) internal successors, (19158), 5558 states have internal predecessors, (19158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 19158 transitions. [2022-01-18 02:15:20,102 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 19158 transitions. Word has length 121 [2022-01-18 02:15:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:20,103 INFO L470 AbstractCegarLoop]: Abstraction has 5559 states and 19158 transitions. [2022-01-18 02:15:20,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 16 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 19158 transitions. [2022-01-18 02:15:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:20,115 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:20,116 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:20,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 02:15:20,331 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 [2022-01-18 02:15:20,332 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:20,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:20,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2120847258, now seen corresponding path program 2 times [2022-01-18 02:15:20,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:20,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876016461] [2022-01-18 02:15:20,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:20,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-18 02:15:20,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:20,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876016461] [2022-01-18 02:15:20,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876016461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 02:15:20,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 02:15:20,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 02:15:20,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826465066] [2022-01-18 02:15:20,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 02:15:20,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 02:15:20,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 02:15:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 02:15:20,430 INFO L87 Difference]: Start difference. First operand 5559 states and 19158 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:20,464 INFO L93 Difference]: Finished difference Result 3511 states and 10966 transitions. [2022-01-18 02:15:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 02:15:20,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-18 02:15:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:20,474 INFO L225 Difference]: With dead ends: 3511 [2022-01-18 02:15:20,474 INFO L226 Difference]: Without dead ends: 3511 [2022-01-18 02:15:20,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 02:15:20,479 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 15 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:20,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 02:15:20,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2022-01-18 02:15:20,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3511. [2022-01-18 02:15:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3510 states have (on average 3.124216524216524) internal successors, (10966), 3510 states have internal predecessors, (10966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 10966 transitions. [2022-01-18 02:15:20,546 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 10966 transitions. Word has length 128 [2022-01-18 02:15:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:20,547 INFO L470 AbstractCegarLoop]: Abstraction has 3511 states and 10966 transitions. [2022-01-18 02:15:20,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 10966 transitions. [2022-01-18 02:15:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:20,557 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:20,557 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:20,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 02:15:20,557 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:20,558 INFO L85 PathProgramCache]: Analyzing trace with hash -41963350, now seen corresponding path program 3 times [2022-01-18 02:15:20,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:20,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790137764] [2022-01-18 02:15:20,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-18 02:15:20,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:20,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790137764] [2022-01-18 02:15:20,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790137764] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 02:15:20,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 02:15:20,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 02:15:20,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635677720] [2022-01-18 02:15:20,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 02:15:20,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 02:15:20,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:20,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 02:15:20,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-18 02:15:20,647 INFO L87 Difference]: Start difference. First operand 3511 states and 10966 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:20,701 INFO L93 Difference]: Finished difference Result 1783 states and 4926 transitions. [2022-01-18 02:15:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 02:15:20,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-18 02:15:20,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:20,705 INFO L225 Difference]: With dead ends: 1783 [2022-01-18 02:15:20,705 INFO L226 Difference]: Without dead ends: 1783 [2022-01-18 02:15:20,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-18 02:15:20,706 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 106 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:20,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 259 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 02:15:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2022-01-18 02:15:20,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2022-01-18 02:15:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 2.7643097643097643) internal successors, (4926), 1782 states have internal predecessors, (4926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 4926 transitions. [2022-01-18 02:15:20,737 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 4926 transitions. Word has length 128 [2022-01-18 02:15:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:20,738 INFO L470 AbstractCegarLoop]: Abstraction has 1783 states and 4926 transitions. [2022-01-18 02:15:20,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 4926 transitions. [2022-01-18 02:15:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:20,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:20,741 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:20,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 02:15:20,741 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:20,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1886034276, now seen corresponding path program 4 times [2022-01-18 02:15:20,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:20,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044081360] [2022-01-18 02:15:20,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:20,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:23,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:23,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044081360] [2022-01-18 02:15:23,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044081360] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 02:15:23,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592483534] [2022-01-18 02:15:23,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 02:15:23,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:23,282 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) [2022-01-18 02:15:23,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 02:15:23,373 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 02:15:23,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 02:15:23,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-18 02:15:23,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 02:15:24,422 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-01-18 02:15:24,422 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 51 treesize of output 17 [2022-01-18 02:15:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:24,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 02:15:24,992 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-01-18 02:15:24,992 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 58 treesize of output 76 [2022-01-18 02:15:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:28,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592483534] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 02:15:28,068 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 02:15:28,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 21] total 69 [2022-01-18 02:15:28,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656746696] [2022-01-18 02:15:28,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 02:15:28,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-01-18 02:15:28,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:28,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-01-18 02:15:28,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=4344, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 02:15:28,071 INFO L87 Difference]: Start difference. First operand 1783 states and 4926 transitions. Second operand has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:37,040 INFO L93 Difference]: Finished difference Result 6646 states and 18816 transitions. [2022-01-18 02:15:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 02:15:37,040 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-18 02:15:37,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:37,056 INFO L225 Difference]: With dead ends: 6646 [2022-01-18 02:15:37,057 INFO L226 Difference]: Without dead ends: 5716 [2022-01-18 02:15:37,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 219 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3631 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=1978, Invalid=13274, Unknown=0, NotChecked=0, Total=15252 [2022-01-18 02:15:37,060 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 4126 mSDsluCounter, 6921 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 6435 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:37,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4126 Valid, 6435 Invalid, 3719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-01-18 02:15:37,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5716 states. [2022-01-18 02:15:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5716 to 1941. [2022-01-18 02:15:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1940 states have (on average 2.796907216494845) internal successors, (5426), 1940 states have internal predecessors, (5426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 5426 transitions. [2022-01-18 02:15:37,114 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 5426 transitions. Word has length 128 [2022-01-18 02:15:37,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:37,114 INFO L470 AbstractCegarLoop]: Abstraction has 1941 states and 5426 transitions. [2022-01-18 02:15:37,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.681159420289855) internal successors, (323), 69 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 5426 transitions. [2022-01-18 02:15:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:37,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:37,118 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:37,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-18 02:15:37,334 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,SelfDestructingSolverStorable5 [2022-01-18 02:15:37,335 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:37,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash -744608986, now seen corresponding path program 5 times [2022-01-18 02:15:37,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:37,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912328812] [2022-01-18 02:15:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:38,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:38,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912328812] [2022-01-18 02:15:38,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912328812] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 02:15:38,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316390119] [2022-01-18 02:15:38,750 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 02:15:38,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:38,751 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) [2022-01-18 02:15:38,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 02:15:38,827 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-18 02:15:38,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 02:15:38,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 02:15:38,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 02:15:39,829 INFO L353 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2022-01-18 02:15:39,830 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 20 [2022-01-18 02:15:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:39,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 02:15:40,346 INFO L353 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2022-01-18 02:15:40,346 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 82 treesize of output 84 [2022-01-18 02:15:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:48,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316390119] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 02:15:48,631 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 02:15:48,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 21, 20] total 67 [2022-01-18 02:15:48,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070174821] [2022-01-18 02:15:48,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 02:15:48,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-01-18 02:15:48,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:48,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-01-18 02:15:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=4017, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 02:15:48,633 INFO L87 Difference]: Start difference. First operand 1941 states and 5426 transitions. Second operand has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:53,789 INFO L93 Difference]: Finished difference Result 6002 states and 16779 transitions. [2022-01-18 02:15:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 02:15:53,789 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-18 02:15:53,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:53,802 INFO L225 Difference]: With dead ends: 6002 [2022-01-18 02:15:53,802 INFO L226 Difference]: Without dead ends: 5756 [2022-01-18 02:15:53,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2787 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=1511, Invalid=10261, Unknown=0, NotChecked=0, Total=11772 [2022-01-18 02:15:53,805 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 2708 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:53,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2708 Valid, 4760 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 1996 Invalid, 0 Unknown, 153 Unchecked, 1.3s Time] [2022-01-18 02:15:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5756 states. [2022-01-18 02:15:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5756 to 2345. [2022-01-18 02:15:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2344 states have (on average 2.8093003412969284) internal successors, (6585), 2344 states have internal predecessors, (6585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 6585 transitions. [2022-01-18 02:15:53,868 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 6585 transitions. Word has length 128 [2022-01-18 02:15:53,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:53,869 INFO L470 AbstractCegarLoop]: Abstraction has 2345 states and 6585 transitions. [2022-01-18 02:15:53,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.82089552238806) internal successors, (323), 67 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 6585 transitions. [2022-01-18 02:15:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:53,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:53,873 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:53,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 02:15:54,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:54,089 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:54,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:54,090 INFO L85 PathProgramCache]: Analyzing trace with hash 871639900, now seen corresponding path program 6 times [2022-01-18 02:15:54,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:54,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775309943] [2022-01-18 02:15:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:54,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:55,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:55,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775309943] [2022-01-18 02:15:55,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775309943] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 02:15:55,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303888778] [2022-01-18 02:15:55,868 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 02:15:55,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:55,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:55,869 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) [2022-01-18 02:15:55,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 02:15:55,950 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-18 02:15:55,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 02:15:55,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-18 02:15:55,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 02:15:56,365 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-01-18 02:15:56,365 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 51 treesize of output 17 [2022-01-18 02:15:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-18 02:15:56,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 02:15:56,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303888778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 02:15:56,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 02:15:56,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [37] total 45 [2022-01-18 02:15:56,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428414779] [2022-01-18 02:15:56,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 02:15:56,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 02:15:56,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 02:15:56,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 02:15:56,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1855, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 02:15:56,470 INFO L87 Difference]: Start difference. First operand 2345 states and 6585 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 02:15:56,816 INFO L93 Difference]: Finished difference Result 3535 states and 9976 transitions. [2022-01-18 02:15:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 02:15:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-18 02:15:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 02:15:56,822 INFO L225 Difference]: With dead ends: 3535 [2022-01-18 02:15:56,822 INFO L226 Difference]: Without dead ends: 2859 [2022-01-18 02:15:56,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=162, Invalid=2288, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 02:15:56,823 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 167 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 02:15:56,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 1545 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 02:15:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-01-18 02:15:56,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 1966. [2022-01-18 02:15:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1965 states have (on average 2.7888040712468194) internal successors, (5480), 1965 states have internal predecessors, (5480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 5480 transitions. [2022-01-18 02:15:56,857 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 5480 transitions. Word has length 128 [2022-01-18 02:15:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 02:15:56,858 INFO L470 AbstractCegarLoop]: Abstraction has 1966 states and 5480 transitions. [2022-01-18 02:15:56,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 02:15:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 5480 transitions. [2022-01-18 02:15:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 02:15:56,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 02:15:56,861 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 02:15:56,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 02:15:57,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:57,077 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 02:15:57,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 02:15:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash -379332560, now seen corresponding path program 7 times [2022-01-18 02:15:57,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 02:15:57,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910697643] [2022-01-18 02:15:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 02:15:57,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 02:15:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:15:58,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 02:15:58,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910697643] [2022-01-18 02:15:58,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910697643] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 02:15:58,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348281937] [2022-01-18 02:15:58,780 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-18 02:15:58,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:15:58,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 02:15:58,781 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) [2022-01-18 02:15:58,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 02:15:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 02:15:58,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-18 02:15:58,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 02:15:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 02:15:59,969 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-01-18 02:16:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 02:16:00,325 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 02:16:00,325 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 17 [2022-01-18 02:16:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 02:16:00,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 02:16:01,122 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-01-18 02:16:01,122 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 112 treesize of output 130 [2022-01-18 02:16:01,148 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-01-18 02:16:01,149 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 64 Received shutdown request... [2022-01-18 02:29:05,503 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 02:29:05,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 02:29:05,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 02:29:05,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 02:29:05,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 02:29:05,704 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. [2022-01-18 02:29:05,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 02:29:05,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 02:29:05,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 02:29:05,707 INFO L732 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2022-01-18 02:29:05,708 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 02:29:05,708 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 02:29:05,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 02:29:05 BasicIcfg [2022-01-18 02:29:05,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 02:29:05,710 INFO L158 Benchmark]: Toolchain (without parser) took 829374.35ms. Allocated memory was 348.1MB in the beginning and 824.2MB in the end (delta: 476.1MB). Free memory was 294.5MB in the beginning and 426.8MB in the end (delta: -132.3MB). Peak memory consumption was 537.2MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,710 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 348.1MB. Free memory is still 310.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 02:29:05,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.21ms. Allocated memory was 348.1MB in the beginning and 480.2MB in the end (delta: 132.1MB). Free memory was 294.3MB in the beginning and 452.6MB in the end (delta: -158.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.04ms. Allocated memory is still 480.2MB. Free memory was 452.6MB in the beginning and 449.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,711 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 480.2MB. Free memory was 449.8MB in the beginning and 447.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,711 INFO L158 Benchmark]: RCFGBuilder took 554.42ms. Allocated memory is still 480.2MB. Free memory was 447.4MB in the beginning and 423.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,711 INFO L158 Benchmark]: TraceAbstraction took 828485.30ms. Allocated memory was 480.2MB in the beginning and 824.2MB in the end (delta: 343.9MB). Free memory was 423.2MB in the beginning and 426.8MB in the end (delta: -3.5MB). Peak memory consumption was 533.7MB. Max. memory is 16.0GB. [2022-01-18 02:29:05,712 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 348.1MB. Free memory is still 310.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 251.21ms. Allocated memory was 348.1MB in the beginning and 480.2MB in the end (delta: 132.1MB). Free memory was 294.3MB in the beginning and 452.6MB in the end (delta: -158.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.04ms. Allocated memory is still 480.2MB. Free memory was 452.6MB in the beginning and 449.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 480.2MB. Free memory was 449.8MB in the beginning and 447.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 554.42ms. Allocated memory is still 480.2MB. Free memory was 447.4MB in the beginning and 423.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 828485.30ms. Allocated memory was 480.2MB in the beginning and 824.2MB in the end (delta: 343.9MB). Free memory was 423.2MB in the beginning and 426.8MB in the end (delta: -3.5MB). Peak memory consumption was 533.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 129 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 180 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 828.4s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8170 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8170 mSDsluCounter, 14382 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 153 IncrementalHoareTripleChecker+Unchecked, 14449 mSDsCounter, 836 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5980 IncrementalHoareTripleChecker+Invalid, 6969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 836 mSolverCounterUnsat, 1194 mSDtfsCounter, 5980 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1118 GetRequests, 806 SyntacticMatches, 4 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7157 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5559occurred in iteration=3, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 8089 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 1494 NumberOfCodeBlocks, 1480 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1856 ConstructedInterpolants, 7 QuantifiedInterpolants, 26976 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1233 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 27/93 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