/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/chl/exp-term-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:48:26,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:48:26,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:48:26,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 16:48:26,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 16:48:26,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 16:48:26,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 16:48:26,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 16:48:26,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 16:48:26,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 16:48:26,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 16:48:26,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 16:48:26,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:48:26,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:48:26,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:48:26,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:48:26,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:48:26,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:48:26,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:48:26,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:48:26,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:48:26,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:48:26,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:48:26,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:48:26,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 16:48:26,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 16:48:26,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 16:48:26,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 16:48:26,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 16:48:26,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 16:48:26,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 16:48:26,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 16:48:26,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 16:48:26,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:48:26,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:48:26,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:48:26,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 16:48:26,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:48:26,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:48:26,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:48:26,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:48:26,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:48:26,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:48:26,968 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:48:26,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:48:26,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:48:26,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:48:26,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:48:26,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:48:26,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:48:26,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:48:26,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:48:26,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:48:26,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:48:26,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:48:26,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:48:26,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:48:26,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:48:26,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 16:48:26,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:48:26,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:48:26,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:48:26,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:48:26,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:48:26,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:48:26,975 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 16:48:26,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:48:26,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 16:48:26,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 16:48:26,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:48:26,977 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 16:48:26,977 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 16:48:26,977 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:48:27,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:48:27,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:48:27,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:48:27,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:48:27,510 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:48:27,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/exp-term-symm.wvr.c [2021-10-06 16:48:27,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/289c3f79a/97ce6a0f98cd438aa93b78ecd3775a11/FLAG842852278 [2021-10-06 16:48:28,208 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:48:28,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/exp-term-symm.wvr.c [2021-10-06 16:48:28,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/289c3f79a/97ce6a0f98cd438aa93b78ecd3775a11/FLAG842852278 [2021-10-06 16:48:28,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/289c3f79a/97ce6a0f98cd438aa93b78ecd3775a11 [2021-10-06 16:48:28,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:48:28,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:48:28,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:48:28,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:48:28,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:48:28,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f728513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28, skipping insertion in model container [2021-10-06 16:48:28,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:48:28,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:48:28,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/exp-term-symm.wvr.c[2541,2554] [2021-10-06 16:48:28,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:48:28,893 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:48:28,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/exp-term-symm.wvr.c[2541,2554] [2021-10-06 16:48:28,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:48:28,934 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:48:28,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28 WrapperNode [2021-10-06 16:48:28,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:48:28,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:48:28,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:48:28,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:48:28,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:48:28,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:48:28,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:48:28,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:48:28,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:28,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:29,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:29,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:29,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:29,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:48:29,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:48:29,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:48:29,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:48:29,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (1/1) ... [2021-10-06 16:48:29,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:48:29,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:29,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:48:29,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:48:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:48:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:48:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:48:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:48:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:48:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:48:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:48:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:48:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:48:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:48:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:48:29,114 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:48:29,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:48:29,445 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-06 16:48:29,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:48:29 BoogieIcfgContainer [2021-10-06 16:48:29,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:48:29,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:48:29,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:48:29,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:48:29,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:48:28" (1/3) ... [2021-10-06 16:48:29,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5c91ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:48:29, skipping insertion in model container [2021-10-06 16:48:29,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:48:28" (2/3) ... [2021-10-06 16:48:29,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5c91ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:48:29, skipping insertion in model container [2021-10-06 16:48:29,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:48:29" (3/3) ... [2021-10-06 16:48:29,460 INFO L111 eAbstractionObserver]: Analyzing ICFG exp-term-symm.wvr.c [2021-10-06 16:48:29,468 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:48:29,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:48:29,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 16:48:29,469 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:48:29,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,576 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,585 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,590 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,590 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,592 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,602 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,605 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,616 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,617 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,617 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,617 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,618 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:48:29,633 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-06 16:48:29,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 16:48:29,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:29,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 16:48:29,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 16:48:29,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 16:48:29,762 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-06 16:48:29,762 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-06 16:48:29,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:29,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:29,952 INFO L82 PathProgramCache]: Analyzing trace with hash 784032831, now seen corresponding path program 1 times [2021-10-06 16:48:29,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:29,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082158719] [2021-10-06 16:48:29,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:29,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:30,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:30,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082158719] [2021-10-06 16:48:30,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082158719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:30,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:30,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 16:48:30,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98473935] [2021-10-06 16:48:30,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:48:30,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:48:30,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-06 16:48:30,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:30,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:30,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:30,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:48:30,814 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:30,815 INFO L82 PathProgramCache]: Analyzing trace with hash -821112447, now seen corresponding path program 1 times [2021-10-06 16:48:30,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:30,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552937866] [2021-10-06 16:48:30,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:30,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:31,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:31,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552937866] [2021-10-06 16:48:31,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552937866] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:31,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:31,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-06 16:48:31,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413729787] [2021-10-06 16:48:31,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 16:48:31,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 16:48:31,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:48:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:31,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:31,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:31,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:48:31,228 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:31,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1704681517, now seen corresponding path program 1 times [2021-10-06 16:48:31,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:31,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050877189] [2021-10-06 16:48:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:31,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:31,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:31,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050877189] [2021-10-06 16:48:31,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050877189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:31,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:31,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:31,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083197754] [2021-10-06 16:48:31,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:31,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:31,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:31,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-06 16:48:31,419 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:31,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:31,419 INFO L82 PathProgramCache]: Analyzing trace with hash -273296352, now seen corresponding path program 1 times [2021-10-06 16:48:31,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:31,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836263526] [2021-10-06 16:48:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:31,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:31,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:31,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836263526] [2021-10-06 16:48:31,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836263526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:31,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:31,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:31,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696644910] [2021-10-06 16:48:31,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:31,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:31,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:31,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:31,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:31,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:31,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:31,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:31,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-06 16:48:31,622 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:31,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1689725056, now seen corresponding path program 1 times [2021-10-06 16:48:31,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:31,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659532237] [2021-10-06 16:48:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:31,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:31,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:31,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659532237] [2021-10-06 16:48:31,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659532237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:31,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:31,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-06 16:48:31,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975758263] [2021-10-06 16:48:31,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-06 16:48:31,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:31,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-06 16:48:31,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-06 16:48:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:32,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:32,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:32,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:32,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:32,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:32,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:32,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:32,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-06 16:48:32,966 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:32,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:32,966 INFO L82 PathProgramCache]: Analyzing trace with hash -2122085527, now seen corresponding path program 1 times [2021-10-06 16:48:32,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:32,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946130602] [2021-10-06 16:48:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:32,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:33,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:33,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946130602] [2021-10-06 16:48:33,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946130602] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:33,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:33,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:33,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38733368] [2021-10-06 16:48:33,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:33,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:33,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:33,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:33,046 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:33,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-06 16:48:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-06 16:48:33,160 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:33,160 INFO L82 PathProgramCache]: Analyzing trace with hash -2081727992, now seen corresponding path program 1 times [2021-10-06 16:48:33,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:33,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161389547] [2021-10-06 16:48:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:33,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:33,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:33,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161389547] [2021-10-06 16:48:33,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161389547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:33,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:33,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-06 16:48:33,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280081241] [2021-10-06 16:48:33,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-06 16:48:33,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:33,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-06 16:48:33,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:48:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:33,333 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:33,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-06 16:48:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:33,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-06 16:48:33,646 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:33,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:33,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1386046278, now seen corresponding path program 1 times [2021-10-06 16:48:33,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:33,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828979878] [2021-10-06 16:48:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:33,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:33,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:33,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828979878] [2021-10-06 16:48:33,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828979878] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:33,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:33,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-06 16:48:33,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390427432] [2021-10-06 16:48:33,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-06 16:48:33,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:33,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-06 16:48:33,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:48:33,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:33,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:33,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:33,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-06 16:48:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:33,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:34,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:34,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-06 16:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:34,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-06 16:48:34,050 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:34,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:34,051 INFO L82 PathProgramCache]: Analyzing trace with hash -184156566, now seen corresponding path program 1 times [2021-10-06 16:48:34,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:34,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033006978] [2021-10-06 16:48:34,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:34,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:34,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:34,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033006978] [2021-10-06 16:48:34,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033006978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:34,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:34,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:34,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730731785] [2021-10-06 16:48:34,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:34,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:34,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:34,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:34,207 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:34,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:34,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:34,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:34,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:34,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-06 16:48:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:48:34,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-06 16:48:34,278 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:48:34,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:34,278 INFO L82 PathProgramCache]: Analyzing trace with hash 806074601, now seen corresponding path program 1 times [2021-10-06 16:48:34,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:34,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202982457] [2021-10-06 16:48:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:34,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:48:34,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:34,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202982457] [2021-10-06 16:48:34,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202982457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:34,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:34,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-10-06 16:48:34,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725577569] [2021-10-06 16:48:34,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-06 16:48:34,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:34,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-06 16:48:34,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-10-06 16:48:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:34,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:34,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:34,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:48:34,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:35,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-06 16:48:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 16:48:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:48:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-06 16:48:35,552 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-06 16:48:35,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:48:35,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:48:35,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-06 16:48:35,564 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:48:35,564 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:48:35,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:48:35 BasicIcfg [2021-10-06 16:48:35,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:48:35,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:48:35,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:48:35,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:48:35,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:48:29" (3/4) ... [2021-10-06 16:48:35,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-06 16:48:35,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-06 16:48:35,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-06 16:48:35,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-06 16:48:35,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-06 16:48:35,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-06 16:48:35,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-06 16:48:35,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/exp-term-symm.wvr.c-witness.graphml [2021-10-06 16:48:35,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:48:35,652 INFO L168 Benchmark]: Toolchain (without parser) took 7055.23 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 125.5 MB in the beginning and 87.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,652 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory was 122.8 MB in the beginning and 122.7 MB in the end (delta: 91.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:48:35,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.18 ms. Allocated memory is still 152.0 MB. Free memory was 125.2 MB in the beginning and 115.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 152.0 MB. Free memory was 114.9 MB in the beginning and 113.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,654 INFO L168 Benchmark]: Boogie Preprocessor took 30.62 ms. Allocated memory is still 152.0 MB. Free memory was 113.3 MB in the beginning and 112.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,654 INFO L168 Benchmark]: RCFGBuilder took 440.84 ms. Allocated memory is still 152.0 MB. Free memory was 112.2 MB in the beginning and 99.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,654 INFO L168 Benchmark]: TraceAbstraction took 6117.20 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 99.5 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,655 INFO L168 Benchmark]: Witness Printer took 80.94 ms. Allocated memory is still 182.5 MB. Free memory was 90.3 MB in the beginning and 87.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:35,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory was 122.8 MB in the beginning and 122.7 MB in the end (delta: 91.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 328.18 ms. Allocated memory is still 152.0 MB. Free memory was 125.2 MB in the beginning and 115.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 152.0 MB. Free memory was 114.9 MB in the beginning and 113.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.62 ms. Allocated memory is still 152.0 MB. Free memory was 113.3 MB in the beginning and 112.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 440.84 ms. Allocated memory is still 152.0 MB. Free memory was 112.2 MB in the beginning and 99.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6117.20 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 99.5 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. * Witness Printer took 80.94 ms. Allocated memory is still 182.5 MB. Free memory was 90.3 MB in the beginning and 87.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2169, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 172, negative conditional: 170, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 842, positive unconditional: 1155, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 386, positive unconditional: 1611, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 386, positive unconditional: 1611, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1149, positive: 1147, positive conditional: 14, positive unconditional: 1133, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1149, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1999, positive: 850, positive conditional: 372, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1149, unknown conditional: 14, unknown unconditional: 1135] , Statistics on independence cache: Total cache size (in pairs): 1149, Positive cache size: 1147, Positive conditional cache size: 14, Positive unconditional cache size: 1133, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 456, Maximal queried relation: 0, Independence queries for same thread: 170 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 131, Number of persistent set computation: 158, Number of trivial persistent sets: 99, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1127, positive: 1125, positive conditional: 0, positive unconditional: 1125, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2169, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 172, negative conditional: 170, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 872, positive unconditional: 1125, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 842, positive unconditional: 1155, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 386, positive unconditional: 1611, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1999, positive: 1997, positive conditional: 386, positive unconditional: 1611, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1149, positive: 1147, positive conditional: 14, positive unconditional: 1133, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1149, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1999, positive: 850, positive conditional: 372, positive unconditional: 478, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1149, unknown conditional: 14, unknown unconditional: 1135] , Statistics on independence cache: Total cache size (in pairs): 1149, Positive cache size: 1147, Positive conditional cache size: 14, Positive unconditional cache size: 1133, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 456, Maximal queried relation: 0, Independence queries for same thread: 170 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 66]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5869.2ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.5ms, PartialOrderReductionTime: 3098.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.9ms SsaConstructionTime, 264.2ms SatisfiabilityAnalysisTime, 2093.4ms InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 739 ConstructedInterpolants, 0 QuantifiedInterpolants, 4513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-06 16:48:35,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:35,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...