/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 10:22:11,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 10:22:11,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 10:22:11,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 10:22:11,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 10:22:11,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 10:22:11,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 10:22:11,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 10:22:11,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 10:22:11,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 10:22:11,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 10:22:11,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 10:22:11,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 10:22:11,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 10:22:11,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 10:22:11,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 10:22:11,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 10:22:11,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 10:22:11,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 10:22:11,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 10:22:11,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 10:22:11,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 10:22:11,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 10:22:11,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 10:22:11,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 10:22:11,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 10:22:11,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 10:22:11,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 10:22:11,876 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-NoLbe-LoopLockstep.epf [2021-11-14 10:22:11,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 10:22:11,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 10:22:11,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 10:22:11,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 10:22:11,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 10:22:11,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 10:22:11,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 10:22:11,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 10:22:11,900 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 10:22:11,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 10:22:11,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 10:22:11,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 10:22:11,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:22:11,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 10:22:11,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 10:22:11,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 10:22:11,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 10:22:11,903 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 10:22:11,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 10:22:11,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 10:22:11,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 10:22:11,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 10:22:11,904 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 10:22:11,904 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 10:22:11,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 10:22:12,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 10:22:12,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 10:22:12,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 10:22:12,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 10:22:12,115 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 10:22:12,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2021-11-14 10:22:12,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0682a2631/112b9d31923f45dca7c0ff3226561e68/FLAG4282e4ab8 [2021-11-14 10:22:12,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 10:22:12,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2021-11-14 10:22:12,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0682a2631/112b9d31923f45dca7c0ff3226561e68/FLAG4282e4ab8 [2021-11-14 10:22:12,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0682a2631/112b9d31923f45dca7c0ff3226561e68 [2021-11-14 10:22:12,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 10:22:12,546 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 10:22:12,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 10:22:12,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 10:22:12,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 10:22:12,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f48b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12, skipping insertion in model container [2021-11-14 10:22:12,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 10:22:12,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 10:22:12,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2021-11-14 10:22:12,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:22:12,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 10:22:12,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2021-11-14 10:22:12,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:22:12,772 INFO L208 MainTranslator]: Completed translation [2021-11-14 10:22:12,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12 WrapperNode [2021-11-14 10:22:12,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 10:22:12,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 10:22:12,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 10:22:12,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 10:22:12,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 10:22:12,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 10:22:12,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 10:22:12,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 10:22:12,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 10:22:12,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 10:22:12,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 10:22:12,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 10:22:12,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (1/1) ... [2021-11-14 10:22:12,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:22:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:22:12,847 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) [2021-11-14 10:22:12,852 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 [2021-11-14 10:22:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 10:22:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 10:22:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 10:22:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 10:22:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 10:22:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 10:22:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 10:22:12,873 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 10:22:13,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 10:22:13,044 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 10:22:13,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:22:13 BoogieIcfgContainer [2021-11-14 10:22:13,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 10:22:13,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 10:22:13,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 10:22:13,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 10:22:13,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:22:12" (1/3) ... [2021-11-14 10:22:13,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d5db5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:22:13, skipping insertion in model container [2021-11-14 10:22:13,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:22:12" (2/3) ... [2021-11-14 10:22:13,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d5db5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:22:13, skipping insertion in model container [2021-11-14 10:22:13,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:22:13" (3/3) ... [2021-11-14 10:22:13,050 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2021-11-14 10:22:13,053 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 10:22:13,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 10:22:13,054 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 10:22:13,054 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 10:22:13,076 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,076 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,076 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,076 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,082 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,084 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,084 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,084 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,084 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,088 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,088 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,088 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,088 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:22:13,092 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 10:22:13,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 10:22:13,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:22:13,144 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) [2021-11-14 10:22:13,157 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 [2021-11-14 10:22:13,178 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 10:22:13,183 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, 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 [2021-11-14 10:22:13,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 10:22:13,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:13,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:13,309 INFO L85 PathProgramCache]: Analyzing trace with hash 169611853, now seen corresponding path program 1 times [2021-11-14 10:22:13,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:13,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631804001] [2021-11-14 10:22:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:13,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:13,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:13,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631804001] [2021-11-14 10:22:13,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631804001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:13,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:13,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 10:22:13,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760020487] [2021-11-14 10:22:13,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:13,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 10:22:13,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 10:22:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 10:22:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:13,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:13,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:13,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:13,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:13,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 10:22:13,618 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:13,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:13,618 INFO L85 PathProgramCache]: Analyzing trace with hash -165511202, now seen corresponding path program 1 times [2021-11-14 10:22:13,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:13,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481204056] [2021-11-14 10:22:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:13,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:13,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:13,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481204056] [2021-11-14 10:22:13,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481204056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:13,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:13,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 10:22:13,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556225071] [2021-11-14 10:22:13,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:13,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 10:22:13,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 10:22:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-14 10:22:13,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:13,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:13,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:14,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 10:22:14,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2109428699, now seen corresponding path program 1 times [2021-11-14 10:22:14,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:14,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452009798] [2021-11-14 10:22:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:14,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:14,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:14,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452009798] [2021-11-14 10:22:14,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452009798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:14,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:14,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 10:22:14,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402737008] [2021-11-14 10:22:14,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:14,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 10:22:14,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:14,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 10:22:14,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 10:22:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:14,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:14,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:14,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 10:22:14,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash 450124795, now seen corresponding path program 1 times [2021-11-14 10:22:14,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:14,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623048747] [2021-11-14 10:22:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:14,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:14,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:14,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623048747] [2021-11-14 10:22:14,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623048747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:14,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:14,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 10:22:14,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884900843] [2021-11-14 10:22:14,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:14,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 10:22:14,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:14,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 10:22:14,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 10:22:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:14,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 10:22:14,600 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:14,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:14,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1678472289, now seen corresponding path program 1 times [2021-11-14 10:22:14,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:14,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710324708] [2021-11-14 10:22:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:14,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:14,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:14,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710324708] [2021-11-14 10:22:14,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710324708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:14,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:14,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 10:22:14,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818598335] [2021-11-14 10:22:14,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:14,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 10:22:14,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 10:22:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 10:22:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,776 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:14,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:14,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 10:22:14,853 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:14,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:14,854 INFO L85 PathProgramCache]: Analyzing trace with hash 356070302, now seen corresponding path program 1 times [2021-11-14 10:22:14,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:14,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959969715] [2021-11-14 10:22:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:14,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:14,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:14,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959969715] [2021-11-14 10:22:14,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959969715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:14,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:14,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-14 10:22:14,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989691314] [2021-11-14 10:22:14,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:14,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 10:22:14,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 10:22:14,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-14 10:22:14,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:14,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:14,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-14 10:22:15,157 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:15,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1046962111, now seen corresponding path program 1 times [2021-11-14 10:22:15,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:15,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555601622] [2021-11-14 10:22:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:15,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:15,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555601622] [2021-11-14 10:22:15,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555601622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:15,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:15,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 10:22:15,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052737532] [2021-11-14 10:22:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:15,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 10:22:15,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:15,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 10:22:15,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-14 10:22:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:15,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:15,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-14 10:22:15,275 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:15,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash -515641442, now seen corresponding path program 1 times [2021-11-14 10:22:15,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:15,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078684333] [2021-11-14 10:22:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:15,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:15,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:15,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078684333] [2021-11-14 10:22:15,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078684333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:15,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:15,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-14 10:22:15,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742562252] [2021-11-14 10:22:15,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:15,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 10:22:15,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 10:22:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-14 10:22:15,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:15,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:15,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-14 10:22:15,721 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:15,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1722559880, now seen corresponding path program 1 times [2021-11-14 10:22:15,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:15,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614843060] [2021-11-14 10:22:15,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:15,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:15,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:15,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614843060] [2021-11-14 10:22:15,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614843060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:15,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:15,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 10:22:15,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443769862] [2021-11-14 10:22:15,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:15,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 10:22:15,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:15,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 10:22:15,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 10:22:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:15,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:15,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:16,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-14 10:22:16,018 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:22:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:22:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash 318005880, now seen corresponding path program 1 times [2021-11-14 10:22:16,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:22:16,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108238520] [2021-11-14 10:22:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:22:16,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:22:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:22:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:22:16,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:22:16,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108238520] [2021-11-14 10:22:16,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108238520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:22:16,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:22:16,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 10:22:16,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450820253] [2021-11-14 10:22:16,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:22:16,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 10:22:16,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:22:16,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 10:22:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 10:22:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:22:16,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:16,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:22:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 10:22:16,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-14 10:22:16,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-14 10:22:16,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-14 10:22:16,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-14 10:22:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-14 10:22:16,298 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-14 10:22:16,302 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 10:22:16,302 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 10:22:16,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:22:16 BasicIcfg [2021-11-14 10:22:16,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 10:22:16,305 INFO L158 Benchmark]: Toolchain (without parser) took 3759.36ms. Allocated memory was 352.3MB in the beginning and 459.3MB in the end (delta: 107.0MB). Free memory was 297.7MB in the beginning and 239.8MB in the end (delta: 57.9MB). Peak memory consumption was 166.0MB. Max. memory is 16.0GB. [2021-11-14 10:22:16,305 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 315.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:22:16,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.94ms. Allocated memory is still 352.3MB. Free memory was 297.6MB in the beginning and 323.3MB in the end (delta: -25.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.0GB. [2021-11-14 10:22:16,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.06ms. Allocated memory is still 352.3MB. Free memory was 323.3MB in the beginning and 321.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:22:16,308 INFO L158 Benchmark]: Boogie Preprocessor took 13.95ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 320.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 10:22:16,308 INFO L158 Benchmark]: RCFGBuilder took 236.07ms. Allocated memory is still 352.3MB. Free memory was 320.5MB in the beginning and 307.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-14 10:22:16,308 INFO L158 Benchmark]: TraceAbstraction took 3258.30ms. Allocated memory was 352.3MB in the beginning and 459.3MB in the end (delta: 107.0MB). Free memory was 307.2MB in the beginning and 239.8MB in the end (delta: 67.4MB). Peak memory consumption was 177.2MB. Max. memory is 16.0GB. [2021-11-14 10:22:16,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 315.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 225.94ms. Allocated memory is still 352.3MB. Free memory was 297.6MB in the beginning and 323.3MB in the end (delta: -25.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 21.06ms. Allocated memory is still 352.3MB. Free memory was 323.3MB in the beginning and 321.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.95ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 320.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 236.07ms. Allocated memory is still 352.3MB. Free memory was 320.5MB in the beginning and 307.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 3258.30ms. Allocated memory was 352.3MB in the beginning and 459.3MB in the end (delta: 107.0MB). Free memory was 307.2MB in the beginning and 239.8MB in the end (delta: 67.4MB). Peak memory consumption was 177.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26747, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 764, negative conditional: 760, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 23972, positive unconditional: 2011, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 6188, positive unconditional: 19795, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 6188, positive unconditional: 19795, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2022, positive: 2018, positive conditional: 18, positive unconditional: 2000, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2022, positive: 2018, positive conditional: 0, positive unconditional: 2018, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25987, positive: 23965, positive conditional: 6170, positive unconditional: 17795, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2022, unknown conditional: 18, unknown unconditional: 2004] , Statistics on independence cache: Total cache size (in pairs): 2022, Positive cache size: 2018, Positive conditional cache size: 18, Positive unconditional cache size: 2000, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 17784, Maximal queried relation: 0, Independence queries for same thread: 760 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 179.18ms, Number of persistent set computation: 1147, Number of trivial persistent sets: 993, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1967, positive: 1963, positive conditional: 0, positive unconditional: 1963, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26747, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 764, negative conditional: 760, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 24020, positive unconditional: 1963, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 23972, positive unconditional: 2011, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 6188, positive unconditional: 19795, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25987, positive: 25983, positive conditional: 6188, positive unconditional: 19795, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2022, positive: 2018, positive conditional: 18, positive unconditional: 2000, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2022, positive: 2018, positive conditional: 0, positive unconditional: 2018, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25987, positive: 23965, positive conditional: 6170, positive unconditional: 17795, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2022, unknown conditional: 18, unknown unconditional: 2004] , Statistics on independence cache: Total cache size (in pairs): 2022, Positive cache size: 2018, Positive conditional cache size: 18, Positive unconditional cache size: 2000, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 17784, Maximal queried relation: 0, Independence queries for same thread: 760 - 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: 77]: 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, 156 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 92, 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, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 896 ConstructedInterpolants, 0 QuantifiedInterpolants, 4743 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 10:22:16,337 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 [2021-11-14 10:22:16,548 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...