/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-24 21:44:08,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 21:44:08,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 21:44:08,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-24 21:44:08,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf [2021-10-24 21:44:08,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 21:44:08,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 21:44:08,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 21:44:08,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 21:44:08,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 21:44:08,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 21:44:08,746 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 21:44:08,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 21:44:08,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 21:44:08,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 21:44:08,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 21:44:08,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 21:44:08,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 21:44:08,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 21:44:08,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 21:44:08,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 21:44:08,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 21:44:08,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 21:44:08,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 21:44:08,751 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 21:44:08,751 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 21:44:08,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 21:44:08,751 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-24 21:44:08,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 21:44:08,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 21:44:08,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 21:44:08,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 21:44:08,987 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 21:44:08,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2021-10-24 21:44:09,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfedcf0f4/24c629dae645472eb9b05775e8bbd9a8/FLAGacfc83463 [2021-10-24 21:44:09,415 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 21:44:09,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2021-10-24 21:44:09,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfedcf0f4/24c629dae645472eb9b05775e8bbd9a8/FLAGacfc83463 [2021-10-24 21:44:09,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfedcf0f4/24c629dae645472eb9b05775e8bbd9a8 [2021-10-24 21:44:09,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 21:44:09,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-24 21:44:09,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 21:44:09,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 21:44:09,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 21:44:09,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238fd898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09, skipping insertion in model container [2021-10-24 21:44:09,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 21:44:09,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 21:44:09,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i[949,962] [2021-10-24 21:44:09,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 21:44:09,806 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 21:44:09,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i[949,962] [2021-10-24 21:44:09,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 21:44:09,885 INFO L208 MainTranslator]: Completed translation [2021-10-24 21:44:09,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09 WrapperNode [2021-10-24 21:44:09,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 21:44:09,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 21:44:09,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 21:44:09,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 21:44:09,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 21:44:09,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 21:44:09,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 21:44:09,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 21:44:09,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 21:44:09,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 21:44:09,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 21:44:09,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 21:44:09,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (1/1) ... [2021-10-24 21:44:09,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 21:44:09,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-24 21:44:10,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 21:44:10,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 21:44:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 21:44:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-24 21:44:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-24 21:44:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-24 21:44:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 21:44:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 21:44:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 21:44:10,074 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 21:44:10,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 21:44:10,316 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-24 21:44:10,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:10 BoogieIcfgContainer [2021-10-24 21:44:10,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 21:44:10,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 21:44:10,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 21:44:10,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 21:44:10,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:44:09" (1/3) ... [2021-10-24 21:44:10,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff72781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:10, skipping insertion in model container [2021-10-24 21:44:10,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:09" (2/3) ... [2021-10-24 21:44:10,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff72781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:10, skipping insertion in model container [2021-10-24 21:44:10,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:10" (3/3) ... [2021-10-24 21:44:10,332 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2021-10-24 21:44:10,348 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 21:44:10,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 21:44:10,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 21:44:10,349 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 21:44:10,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,413 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,418 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,418 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,438 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,438 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,448 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 21:44:10,450 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-24 21:44:10,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-24 21:44:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-24 21:44:10,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-24 21:44:10,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-24 21:44:10,551 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-24 21:44:10,559 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 [2021-10-24 21:44:10,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-24 21:44:10,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:10,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1964707695, now seen corresponding path program 1 times [2021-10-24 21:44:10,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:10,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413539075] [2021-10-24 21:44:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:10,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:11,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:11,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413539075] [2021-10-24 21:44:11,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413539075] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:11,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:11,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 21:44:11,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251859350] [2021-10-24 21:44:11,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 21:44:11,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:11,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 21:44:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 21:44:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,038 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:11,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:11,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 21:44:11,059 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:11,062 INFO L82 PathProgramCache]: Analyzing trace with hash -783680752, now seen corresponding path program 1 times [2021-10-24 21:44:11,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:11,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046580412] [2021-10-24 21:44:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:11,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:11,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:11,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046580412] [2021-10-24 21:44:11,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046580412] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:11,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:11,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 21:44:11,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663257063] [2021-10-24 21:44:11,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 21:44:11,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 21:44:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 21:44:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,286 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:11,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:11,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 21:44:11,442 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1933301690, now seen corresponding path program 1 times [2021-10-24 21:44:11,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:11,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036295240] [2021-10-24 21:44:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:11,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:11,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:11,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036295240] [2021-10-24 21:44:11,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036295240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:11,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:11,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 21:44:11,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260858615] [2021-10-24 21:44:11,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 21:44:11,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 21:44:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 21:44:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:11,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:11,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:11,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:11,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 21:44:11,838 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:11,839 INFO L82 PathProgramCache]: Analyzing trace with hash -339850308, now seen corresponding path program 2 times [2021-10-24 21:44:11,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:11,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338970448] [2021-10-24 21:44:11,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:11,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:11,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:11,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338970448] [2021-10-24 21:44:11,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338970448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:11,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:11,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-24 21:44:11,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253690010] [2021-10-24 21:44:11,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 21:44:11,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 21:44:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 21:44:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:11,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:11,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:11,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:11,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:11,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 21:44:12,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 21:44:12,061 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash 484688247, now seen corresponding path program 1 times [2021-10-24 21:44:12,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:12,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575802547] [2021-10-24 21:44:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:12,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:12,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:12,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575802547] [2021-10-24 21:44:12,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575802547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:12,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:12,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 21:44:12,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263800852] [2021-10-24 21:44:12,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 21:44:12,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:12,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 21:44:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-24 21:44:12,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:12,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:12,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-24 21:44:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 21:44:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 21:44:12,540 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:12,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:12,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1845841135, now seen corresponding path program 2 times [2021-10-24 21:44:12,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:12,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049711453] [2021-10-24 21:44:12,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:12,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:12,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:12,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049711453] [2021-10-24 21:44:12,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049711453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:12,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:12,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 21:44:12,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062492466] [2021-10-24 21:44:12,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 21:44:12,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:12,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 21:44:12,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-24 21:44:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:12,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:12,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 21:44:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 21:44:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 21:44:12,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 21:44:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 21:44:12,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1684487023, now seen corresponding path program 3 times [2021-10-24 21:44:12,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 21:44:12,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362304939] [2021-10-24 21:44:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 21:44:12,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 21:44:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 21:44:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 21:44:12,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 21:44:12,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362304939] [2021-10-24 21:44:12,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362304939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 21:44:12,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 21:44:12,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 21:44:12,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297298840] [2021-10-24 21:44:12,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 21:44:12,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 21:44:12,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 21:44:12,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-24 21:44:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,947 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 21:44:12,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 21:44:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 21:44:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 21:44:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 21:44:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 21:44:13,050 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 21:44:13,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 21:44:13,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 21:44:13,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 21:44:13,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 21:44:13,058 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 21:44:13,058 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 21:44:13,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:44:13 BasicIcfg [2021-10-24 21:44:13,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 21:44:13,063 INFO L168 Benchmark]: Toolchain (without parser) took 3615.66 ms. Allocated memory was 195.0 MB in the beginning and 329.3 MB in the end (delta: 134.2 MB). Free memory was 136.9 MB in the beginning and 227.8 MB in the end (delta: -90.8 MB). Peak memory consumption was 43.9 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,065 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 154.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-24 21:44:13,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.61 ms. Allocated memory is still 195.0 MB. Free memory was 136.7 MB in the beginning and 155.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.72 ms. Allocated memory is still 195.0 MB. Free memory was 155.0 MB in the beginning and 152.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,069 INFO L168 Benchmark]: Boogie Preprocessor took 30.47 ms. Allocated memory is still 195.0 MB. Free memory was 152.9 MB in the beginning and 151.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,069 INFO L168 Benchmark]: RCFGBuilder took 343.27 ms. Allocated memory is still 195.0 MB. Free memory was 151.3 MB in the beginning and 128.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,070 INFO L168 Benchmark]: TraceAbstraction took 2740.36 ms. Allocated memory was 195.0 MB in the beginning and 329.3 MB in the end (delta: 134.2 MB). Free memory was 127.7 MB in the beginning and 227.8 MB in the end (delta: -100.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 8.0 GB. [2021-10-24 21:44:13,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 195.0 MB. Free memory is still 154.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 438.61 ms. Allocated memory is still 195.0 MB. Free memory was 136.7 MB in the beginning and 155.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.72 ms. Allocated memory is still 195.0 MB. Free memory was 155.0 MB in the beginning and 152.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.47 ms. Allocated memory is still 195.0 MB. Free memory was 152.9 MB in the beginning and 151.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 343.27 ms. Allocated memory is still 195.0 MB. Free memory was 151.3 MB in the beginning and 128.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2740.36 ms. Allocated memory was 195.0 MB in the beginning and 329.3 MB in the end (delta: 134.2 MB). Free memory was 127.7 MB in the beginning and 227.8 MB in the end (delta: -100.0 MB). Peak memory consumption was 35.2 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: 8924, positive: 8406, positive conditional: 7259, positive unconditional: 1147, negative: 518, negative conditional: 498, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8801, positive: 8406, positive conditional: 0, positive unconditional: 8406, negative: 395, negative conditional: 0, negative unconditional: 395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1167, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1167, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8801, positive: 7259, positive conditional: 0, positive unconditional: 7259, negative: 375, negative conditional: 0, negative unconditional: 375, unknown: 1167, unknown conditional: 0, unknown unconditional: 1167] , Statistics on independence cache: Total cache size (in pairs): 1167, Positive cache size: 1147, Positive conditional cache size: 0, Positive unconditional cache size: 1147, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 123 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 283, Number of persistent set computation: 671, Number of trivial persistent sets: 204, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8924, positive: 8406, positive conditional: 7259, positive unconditional: 1147, negative: 518, negative conditional: 498, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8801, positive: 8406, positive conditional: 0, positive unconditional: 8406, negative: 395, negative conditional: 0, negative unconditional: 395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1167, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1167, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8801, positive: 7259, positive conditional: 0, positive unconditional: 7259, negative: 375, negative conditional: 0, negative unconditional: 375, unknown: 1167, unknown conditional: 0, unknown unconditional: 1167] , Statistics on independence cache: Total cache size (in pairs): 1167, Positive cache size: 1147, Positive conditional cache size: 0, Positive unconditional cache size: 1147, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 123 - 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: 18]: 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 7 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2559.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.4ms, PartialOrderReductionTime: 1238.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 36.0ms SsaConstructionTime, 225.6ms SatisfiabilityAnalysisTime, 754.3ms InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-10-24 21:44:13,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-24 21:44:13,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...