/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 03:18:18,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 03:18:18,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 03:18:18,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 03:18:18,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 03:18:18,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 03:18:18,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 03:18:18,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 03:18:18,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 03:18:18,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 03:18:18,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 03:18:18,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 03:18:18,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 03:18:18,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 03:18:18,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 03:18:18,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 03:18:18,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 03:18:18,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 03:18:18,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 03:18:18,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 03:18:18,141 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-MCRwithDepranks.epf [2022-02-16 03:18:18,163 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 03:18:18,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 03:18:18,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 03:18:18,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 03:18:18,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 03:18:18,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 03:18:18,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 03:18:18,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 03:18:18,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 03:18:18,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 03:18:18,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 03:18:18,167 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 03:18:18,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 03:18:18,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 03:18:18,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 03:18:18,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 03:18:18,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 03:18:18,333 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 03:18:18,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-16 03:18:18,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4bc9d67/c5c4b2367a8242d39752b6d735007245/FLAGb0af1b406 [2022-02-16 03:18:18,815 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 03:18:18,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-16 03:18:18,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4bc9d67/c5c4b2367a8242d39752b6d735007245/FLAGb0af1b406 [2022-02-16 03:18:18,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4bc9d67/c5c4b2367a8242d39752b6d735007245 [2022-02-16 03:18:18,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 03:18:18,859 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 03:18:18,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 03:18:18,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 03:18:18,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 03:18:18,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:18:18" (1/1) ... [2022-02-16 03:18:18,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308cbe05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:18, skipping insertion in model container [2022-02-16 03:18:18,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 03:18:18" (1/1) ... [2022-02-16 03:18:18,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 03:18:18,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 03:18:19,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-16 03:18:19,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 03:18:19,202 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 03:18:19,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-16 03:18:19,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 03:18:19,271 INFO L208 MainTranslator]: Completed translation [2022-02-16 03:18:19,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19 WrapperNode [2022-02-16 03:18:19,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 03:18:19,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 03:18:19,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 03:18:19,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 03:18:19,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,320 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-02-16 03:18:19,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 03:18:19,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 03:18:19,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 03:18:19,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 03:18:19,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 03:18:19,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 03:18:19,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 03:18:19,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 03:18:19,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (1/1) ... [2022-02-16 03:18:19,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 03:18:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 03:18:19,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 03:18:19,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 03:18:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 03:18:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-16 03:18:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 03:18:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-16 03:18:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-16 03:18:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-16 03:18:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 03:18:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-16 03:18:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 03:18:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 03:18:19,416 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 03:18:19,550 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 03:18:19,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 03:18:19,719 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 03:18:19,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 03:18:19,725 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 03:18:19,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 03:18:19 BoogieIcfgContainer [2022-02-16 03:18:19,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 03:18:19,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 03:18:19,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 03:18:19,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 03:18:19,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 03:18:18" (1/3) ... [2022-02-16 03:18:19,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a0d042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 03:18:19, skipping insertion in model container [2022-02-16 03:18:19,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 03:18:19" (2/3) ... [2022-02-16 03:18:19,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a0d042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 03:18:19, skipping insertion in model container [2022-02-16 03:18:19,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 03:18:19" (3/3) ... [2022-02-16 03:18:19,733 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-16 03:18:19,736 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 03:18:19,736 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 03:18:19,737 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 03:18:19,737 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 03:18:19,774 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,774 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,774 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,774 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,774 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,775 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,775 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,775 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,777 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,778 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,779 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,780 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,780 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,780 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,780 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,780 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,781 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,781 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,782 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,782 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,785 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,785 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,785 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,785 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,787 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,787 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,787 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,787 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,787 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,788 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,788 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,788 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 03:18:19,790 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 03:18:19,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 03:18:19,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 03:18:19,829 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) [2022-02-16 03:18:19,830 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 [2022-02-16 03:18:19,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 03:18:19,857 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 03:18:19,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 03:18:19,864 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 92 transitions, 199 flow [2022-02-16 03:18:20,080 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6591 states, 6590 states have (on average 3.504855842185129) internal successors, (23097), 6590 states have internal predecessors, (23097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:20,107 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 129 transitions and produced 130 states. [2022-02-16 03:18:20,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash -243464916, now seen corresponding path program 1 times [2022-02-16 03:18:20,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:20,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608968367] [2022-02-16 03:18:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:20,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:20,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:20,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608968367] [2022-02-16 03:18:20,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608968367] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:20,337 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:20,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 03:18:20,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132596736] [2022-02-16 03:18:20,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:20,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 03:18:20,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:20,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 03:18:20,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 03:18:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:20,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:20,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:20,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:21,103 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 14932 transitions and produced 4717 states. [2022-02-16 03:18:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:21,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 03:18:21,106 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash -669003802, now seen corresponding path program 1 times [2022-02-16 03:18:21,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:21,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742822724] [2022-02-16 03:18:21,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:21,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:21,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:21,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742822724] [2022-02-16 03:18:21,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742822724] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:21,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:21,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:21,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15028175] [2022-02-16 03:18:21,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:21,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:21,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:21,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:21,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:21,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:21,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:21,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:21,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:24,172 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74906 transitions and produced 23316 states. [2022-02-16 03:18:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-16 03:18:24,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 03:18:24,173 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:24,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1692329605, now seen corresponding path program 1 times [2022-02-16 03:18:24,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:24,174 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072706932] [2022-02-16 03:18:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:24,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:24,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:24,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072706932] [2022-02-16 03:18:24,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072706932] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:24,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:24,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:24,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095393770] [2022-02-16 03:18:24,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:24,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:24,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:24,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:24,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:24,380 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:24,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:24,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:24,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-16 03:18:24,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:27,581 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 103563 transitions and produced 32491 states. [2022-02-16 03:18:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:27,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 03:18:27,582 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:27,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2143872045, now seen corresponding path program 1 times [2022-02-16 03:18:27,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:27,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092672622] [2022-02-16 03:18:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:27,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:27,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:27,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092672622] [2022-02-16 03:18:27,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092672622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:27,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:27,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:27,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175867241] [2022-02-16 03:18:27,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:27,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:27,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:27,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:27,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:27,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:27,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:35,657 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 258590 transitions and produced 80870 states. [2022-02-16 03:18:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-16 03:18:35,659 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:35,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1313975627, now seen corresponding path program 2 times [2022-02-16 03:18:35,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:35,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633340998] [2022-02-16 03:18:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:35,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:35,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:35,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633340998] [2022-02-16 03:18:35,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633340998] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:35,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:35,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:35,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775066509] [2022-02-16 03:18:35,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:35,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:35,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:35,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:35,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:35,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:35,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:37,189 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 31766 transitions and produced 10277 states. [2022-02-16 03:18:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-16 03:18:37,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-16 03:18:37,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:37,191 INFO L85 PathProgramCache]: Analyzing trace with hash 586419933, now seen corresponding path program 1 times [2022-02-16 03:18:37,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:37,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261333357] [2022-02-16 03:18:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:37,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:37,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:37,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261333357] [2022-02-16 03:18:37,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261333357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:37,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:37,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:37,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819209224] [2022-02-16 03:18:37,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:37,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:37,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:37,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:37,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:37,285 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:37,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:37,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-16 03:18:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:53,845 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 374557 transitions and produced 117338 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-16 03:18:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-16 03:18:53,846 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 03:18:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 03:18:53,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1943093257, now seen corresponding path program 1 times [2022-02-16 03:18:53,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 03:18:53,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868351032] [2022-02-16 03:18:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 03:18:53,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 03:18:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 03:18:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 03:18:53,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 03:18:53,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868351032] [2022-02-16 03:18:53,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868351032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 03:18:53,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 03:18:53,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 03:18:53,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233185813] [2022-02-16 03:18:53,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 03:18:53,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 03:18:53,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 03:18:53,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 03:18:53,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-16 03:18:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:53,924 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 03:18:53,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:18:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:19:47,048 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1145576 transitions and produced 359304 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:19:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-16 03:19:47,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-16 03:19:47,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 03:19:47,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 03:19:47,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 03:19:47,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-16 03:19:47,057 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-02-16 03:19:47,059 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 03:19:47,059 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 03:19:47,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 03:19:47 BasicIcfg [2022-02-16 03:19:47,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 03:19:47,082 INFO L158 Benchmark]: Toolchain (without parser) took 88222.73ms. Allocated memory was 204.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 153.4MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 6.4GB. Max. memory is 8.0GB. [2022-02-16 03:19:47,082 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory is still 171.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 03:19:47,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.22ms. Allocated memory is still 204.5MB. Free memory was 153.2MB in the beginning and 171.3MB in the end (delta: -18.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-16 03:19:47,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.45ms. Allocated memory is still 204.5MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 03:19:47,086 INFO L158 Benchmark]: Boogie Preprocessor took 30.36ms. Allocated memory is still 204.5MB. Free memory was 169.2MB in the beginning and 168.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 03:19:47,088 INFO L158 Benchmark]: RCFGBuilder took 374.69ms. Allocated memory is still 204.5MB. Free memory was 168.1MB in the beginning and 155.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-16 03:19:47,088 INFO L158 Benchmark]: TraceAbstraction took 87353.82ms. Allocated memory was 204.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 154.5MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 6.4GB. Max. memory is 8.0GB. [2022-02-16 03:19:47,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory is still 171.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 410.22ms. Allocated memory is still 204.5MB. Free memory was 153.2MB in the beginning and 171.3MB in the end (delta: -18.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.45ms. Allocated memory is still 204.5MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.36ms. Allocated memory is still 204.5MB. Free memory was 169.2MB in the beginning and 168.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 374.69ms. Allocated memory is still 204.5MB. Free memory was 168.1MB in the beginning and 155.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 87353.82ms. Allocated memory was 204.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 154.5MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 6.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 with 1 thread instances CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 87.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 85.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6591occurred in iteration=0, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 1603 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! [2022-02-16 03:19:47,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-16 03:19:47,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...