/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 15:10:55,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 15:10:55,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 15:10:55,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 15:10:55,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 15:10:55,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 15:10:55,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 15:10:55,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 15:10:55,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 15:10:55,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 15:10:55,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 15:10:55,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 15:10:55,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 15:10:55,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 15:10:55,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 15:10:55,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 15:10:55,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 15:10:55,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 15:10:55,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 15:10:55,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 15:10:55,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 15:10:55,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 15:10:55,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 15:10:55,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 15:10:55,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 15:10:55,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 15:10:55,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 15:10:55,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 15:10:55,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf [2021-10-22 15:10:55,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 15:10:55,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 15:10:55,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 15:10:55,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 15:10:55,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 15:10:55,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 15:10:55,891 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 15:10:55,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 15:10:55,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 15:10:55,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 15:10:55,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 15:10:55,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 15:10:55,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 15:10:55,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 15:10:55,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 15:10:55,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 15:10:55,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 15:10:55,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 15:10:55,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 15:10:55,895 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-22 15:10:55,895 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 15:10:56,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 15:10:56,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 15:10:56,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 15:10:56,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 15:10:56,108 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 15:10:56,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2021-10-22 15:10:56,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918a7a59d/7918f1f13abb40048da1fe36efef5d35/FLAG28df61e8a [2021-10-22 15:10:56,639 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 15:10:56,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2021-10-22 15:10:56,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918a7a59d/7918f1f13abb40048da1fe36efef5d35/FLAG28df61e8a [2021-10-22 15:10:56,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918a7a59d/7918f1f13abb40048da1fe36efef5d35 [2021-10-22 15:10:56,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 15:10:56,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 15:10:56,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 15:10:56,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 15:10:56,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 15:10:56,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:10:56" (1/1) ... [2021-10-22 15:10:56,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72665afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:56, skipping insertion in model container [2021-10-22 15:10:56,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:10:56" (1/1) ... [2021-10-22 15:10:56,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 15:10:56,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 15:10:57,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30454,30467] [2021-10-22 15:10:57,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30634,30647] [2021-10-22 15:10:57,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 15:10:57,029 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 15:10:57,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30454,30467] [2021-10-22 15:10:57,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i[30634,30647] [2021-10-22 15:10:57,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 15:10:57,078 INFO L208 MainTranslator]: Completed translation [2021-10-22 15:10:57,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57 WrapperNode [2021-10-22 15:10:57,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 15:10:57,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 15:10:57,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 15:10:57,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 15:10:57,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 15:10:57,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 15:10:57,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 15:10:57,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 15:10:57,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 15:10:57,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 15:10:57,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 15:10:57,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 15:10:57,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (1/1) ... [2021-10-22 15:10:57,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 15:10:57,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:57,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 15:10:57,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 15:10:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-10-22 15:10:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2021-10-22 15:10:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-22 15:10:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 15:10:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 15:10:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 15:10:57,221 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 15:10:57,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 15:10:57,691 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-22 15:10:57,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:10:57 BoogieIcfgContainer [2021-10-22 15:10:57,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 15:10:57,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 15:10:57,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 15:10:57,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 15:10:57,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:10:56" (1/3) ... [2021-10-22 15:10:57,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0acf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:10:57, skipping insertion in model container [2021-10-22 15:10:57,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:10:57" (2/3) ... [2021-10-22 15:10:57,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0acf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:10:57, skipping insertion in model container [2021-10-22 15:10:57,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:10:57" (3/3) ... [2021-10-22 15:10:57,703 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2021-10-22 15:10:57,707 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 15:10:57,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 15:10:57,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-22 15:10:57,707 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 15:10:57,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,739 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,739 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,739 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,740 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,740 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,740 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,740 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,742 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,743 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,754 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,754 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,755 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,755 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,755 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,756 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,757 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:10:57,765 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 15:10:57,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:10:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:57,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 15:10:57,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 15:10:57,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork2 ======== [2021-10-22 15:10:57,837 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 15:10:57,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:10:57,957 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:57,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2139695731, now seen corresponding path program 1 times [2021-10-22 15:10:57,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:57,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838151] [2021-10-22 15:10:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:57,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 15:10:58,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:58,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838151] [2021-10-22 15:10:58,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:58,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:10:58,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:10:58,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799700574] [2021-10-22 15:10:58,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:10:58,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:58,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:10:58,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:10:58,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:58,230 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:58,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:10:58,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:58,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:10:58,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 15:10:58,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:58,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:58,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1631347203, now seen corresponding path program 1 times [2021-10-22 15:10:58,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:58,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374719585] [2021-10-22 15:10:58,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:58,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 15:10:58,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:58,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374719585] [2021-10-22 15:10:58,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374719585] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:10:58,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964610419] [2021-10-22 15:10:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:58,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:10:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:58,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:10:58,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 15:10:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:58,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-22 15:10:58,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:10:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 15:10:59,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964610419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:59,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:10:59,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-10-22 15:10:59,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242775874] [2021-10-22 15:10:59,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:10:59,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:59,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:10:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-22 15:10:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:59,194 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:59,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:10:59,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:10:59,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:59,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:10:59,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:10:59,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 15:10:59,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-22 15:10:59,437 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:10:59,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:10:59,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1906028077, now seen corresponding path program 1 times [2021-10-22 15:10:59,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:10:59,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129842245] [2021-10-22 15:10:59,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:59,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:10:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:59,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:10:59,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129842245] [2021-10-22 15:10:59,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129842245] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:10:59,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42783690] [2021-10-22 15:10:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:10:59,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:10:59,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:10:59,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:10:59,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 15:10:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:10:59,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 15:10:59,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:10:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:10:59,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42783690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:10:59,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:10:59,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-22 15:10:59,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757549598] [2021-10-22 15:10:59,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:10:59,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:10:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:10:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-22 15:10:59,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:10:59,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:10:59,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:10:59,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:10:59,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:10:59,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:00,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:00,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:00,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:00,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash 693270683, now seen corresponding path program 1 times [2021-10-22 15:11:00,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:00,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300879786] [2021-10-22 15:11:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:00,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 15:11:00,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:00,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300879786] [2021-10-22 15:11:00,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300879786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:00,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:00,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:00,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422782276] [2021-10-22 15:11:00,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:00,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:00,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:00,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:00,533 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:11:00,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 15:11:00,541 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork2 was SAFE (1/3) [2021-10-22 15:11:00,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:11:00,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:00,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 15:11:00,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-10-22 15:11:00,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 15:11:00,627 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 15:11:00,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-22 15:11:00,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:00,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:00,674 INFO L82 PathProgramCache]: Analyzing trace with hash 760896444, now seen corresponding path program 1 times [2021-10-22 15:11:00,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:00,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163295752] [2021-10-22 15:11:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:00,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 15:11:00,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:00,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163295752] [2021-10-22 15:11:00,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163295752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:00,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:00,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 15:11:00,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626268483] [2021-10-22 15:11:00,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 15:11:00,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:00,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 15:11:00,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 15:11:00,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:00,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:00,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 15:11:00,722 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:00,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:00,722 INFO L82 PathProgramCache]: Analyzing trace with hash -919225591, now seen corresponding path program 1 times [2021-10-22 15:11:00,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:00,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790563741] [2021-10-22 15:11:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:00,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-22 15:11:00,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:00,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790563741] [2021-10-22 15:11:00,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790563741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:00,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:00,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:00,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865487991] [2021-10-22 15:11:00,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:00,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:00,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:00,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:00,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:00,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:00,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 15:11:00,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:00,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1773084427, now seen corresponding path program 1 times [2021-10-22 15:11:00,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:00,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367564672] [2021-10-22 15:11:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:00,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:00,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:00,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367564672] [2021-10-22 15:11:00,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367564672] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:11:00,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280773734] [2021-10-22 15:11:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:00,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:00,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:00,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:11:00,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 15:11:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-22 15:11:01,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:11:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:01,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280773734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:01,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:11:01,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-10-22 15:11:01,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682642176] [2021-10-22 15:11:01,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:01,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:01,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:01,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-22 15:11:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,201 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:01,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:01,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:01,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:01,442 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:01,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:01,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1577074419, now seen corresponding path program 2 times [2021-10-22 15:11:01,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:01,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178452233] [2021-10-22 15:11:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:01,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 15:11:01,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:01,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178452233] [2021-10-22 15:11:01,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178452233] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:01,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:01,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:11:01,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28710955] [2021-10-22 15:11:01,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:11:01,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:01,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:11:01,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:11:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,478 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:01,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:01,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 15:11:01,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:01,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:01,489 INFO L82 PathProgramCache]: Analyzing trace with hash 46050003, now seen corresponding path program 1 times [2021-10-22 15:11:01,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:01,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075892162] [2021-10-22 15:11:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:01,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 15:11:01,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:01,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075892162] [2021-10-22 15:11:01,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075892162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:01,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:01,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:01,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833002188] [2021-10-22 15:11:01,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:01,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:01,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,526 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:01,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:01,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-22 15:11:01,536 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:01,537 INFO L82 PathProgramCache]: Analyzing trace with hash -771312657, now seen corresponding path program 1 times [2021-10-22 15:11:01,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:01,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736530637] [2021-10-22 15:11:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:01,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 15:11:01,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:01,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736530637] [2021-10-22 15:11:01,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736530637] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:11:01,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063716569] [2021-10-22 15:11:01,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:01,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:01,604 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:11:01,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 15:11:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:01,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 15:11:01,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:11:01,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 15:11:01,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063716569] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:01,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:11:01,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-22 15:11:01,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098807621] [2021-10-22 15:11:01,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:11:01,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:01,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:11:01,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-22 15:11:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:01,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:01,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:02,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:02,117 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 15:11:02,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:02,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1606222400, now seen corresponding path program 1 times [2021-10-22 15:11:02,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:02,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549633263] [2021-10-22 15:11:02,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:02,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 15:11:02,125 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 15:11:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 15:11:02,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 15:11:02,145 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 15:11:02,145 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 15:11:02,146 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 15:11:02,146 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 15:11:02,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-22 15:11:02,147 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2021-10-22 15:11:02,147 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 15:11:02,147 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-10-22 15:11:02,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,162 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,163 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,164 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,165 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,166 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,172 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,173 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 15:11:02,176 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 15:11:02,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:11:02,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:02,204 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 15:11:02,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-10-22 15:11:02,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread2of2ForFork2 ======== [2021-10-22 15:11:02,226 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 15:11:02,226 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:11:02,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:11:02,272 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread2of2ForFork2 was SAFE (1/5) [2021-10-22 15:11:02,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:11:02,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:02,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 15:11:02,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2021-10-22 15:11:02,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of2ForFork2 ======== [2021-10-22 15:11:02,327 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 15:11:02,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:11:02,433 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:02,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1461528825, now seen corresponding path program 1 times [2021-10-22 15:11:02,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:02,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343809052] [2021-10-22 15:11:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:02,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 15:11:02,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:02,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343809052] [2021-10-22 15:11:02,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343809052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:02,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:02,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:02,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104066312] [2021-10-22 15:11:02,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:02,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:02,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:02,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:02,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:02,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:02,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:02,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-22 15:11:02,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:02,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:02,577 INFO L82 PathProgramCache]: Analyzing trace with hash 27687433, now seen corresponding path program 1 times [2021-10-22 15:11:02,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:02,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9836035] [2021-10-22 15:11:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:02,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-22 15:11:02,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:02,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9836035] [2021-10-22 15:11:02,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9836035] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:02,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:02,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:02,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239917110] [2021-10-22 15:11:02,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:02,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:02,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:02,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:02,639 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:02,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:02,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:02,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:02,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:02,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-22 15:11:02,686 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:02,686 INFO L82 PathProgramCache]: Analyzing trace with hash -686246224, now seen corresponding path program 1 times [2021-10-22 15:11:02,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:02,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463541608] [2021-10-22 15:11:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:02,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 15:11:02,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:02,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463541608] [2021-10-22 15:11:02,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463541608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:11:02,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625793924] [2021-10-22 15:11:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:02,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:02,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:02,730 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:11:02,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 15:11:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:02,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 15:11:02,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:11:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:03,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625793924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:03,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:11:03,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-22 15:11:03,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113492205] [2021-10-22 15:11:03,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:11:03,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:03,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:11:03,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-22 15:11:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:03,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:03,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:03,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:03,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:03,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:08,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:11:08,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:08,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-22 15:11:08,775 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of2ForFork2 was SAFE (2/5) [2021-10-22 15:11:08,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 15:11:08,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:08,780 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 15:11:08,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2021-10-22 15:11:08,782 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr3Thread2of2ForFork1 ======== [2021-10-22 15:11:08,783 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 15:11:08,783 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 15:11:09,136 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:09,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1516600702, now seen corresponding path program 1 times [2021-10-22 15:11:09,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:09,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235867482] [2021-10-22 15:11:09,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:09,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 15:11:09,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:09,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235867482] [2021-10-22 15:11:09,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235867482] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:09,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:09,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 15:11:09,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984978242] [2021-10-22 15:11:09,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 15:11:09,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:09,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 15:11:09,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 15:11:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,152 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:09,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:09,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-22 15:11:09,200 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:09,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1674655701, now seen corresponding path program 1 times [2021-10-22 15:11:09,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:09,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757538427] [2021-10-22 15:11:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:09,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 15:11:09,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:09,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757538427] [2021-10-22 15:11:09,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757538427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:09,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:09,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:09,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621401756] [2021-10-22 15:11:09,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:09,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:09,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:09,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,232 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:09,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:09,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-22 15:11:09,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:09,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1323312045, now seen corresponding path program 1 times [2021-10-22 15:11:09,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:09,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376560889] [2021-10-22 15:11:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:09,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-22 15:11:09,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:09,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376560889] [2021-10-22 15:11:09,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376560889] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:09,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:09,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 15:11:09,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9860334] [2021-10-22 15:11:09,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:11:09,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:09,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:11:09,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 15:11:09,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,719 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:09,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:09,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-22 15:11:09,735 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:09,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:09,736 INFO L82 PathProgramCache]: Analyzing trace with hash 959579006, now seen corresponding path program 1 times [2021-10-22 15:11:09,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:09,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003830324] [2021-10-22 15:11:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:09,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:09,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:09,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003830324] [2021-10-22 15:11:09,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003830324] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:11:09,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907746582] [2021-10-22 15:11:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:09,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:09,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:09,777 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:11:09,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 15:11:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:10,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-22 15:11:10,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:11:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:10,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907746582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:10,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:11:10,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-10-22 15:11:10,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438540761] [2021-10-22 15:11:10,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:10,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:10,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:10,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-22 15:11:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,242 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:10,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:10,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:10,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:10,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:10,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:10,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-22 15:11:10,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:10,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:10,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1332038236, now seen corresponding path program 1 times [2021-10-22 15:11:10,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:10,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521193376] [2021-10-22 15:11:10,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:10,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-22 15:11:10,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:10,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521193376] [2021-10-22 15:11:10,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521193376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:10,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 15:11:10,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 15:11:10,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170993948] [2021-10-22 15:11:10,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 15:11:10,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:10,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 15:11:10,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 15:11:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,506 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:10,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:10,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:13,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-22 15:11:13,994 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:13,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1706232028, now seen corresponding path program 2 times [2021-10-22 15:11:13,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:13,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224254917] [2021-10-22 15:11:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:13,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 15:11:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 15:11:14,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 15:11:14,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224254917] [2021-10-22 15:11:14,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224254917] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 15:11:14,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062731823] [2021-10-22 15:11:14,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 15:11:14,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 15:11:14,037 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 15:11:14,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 15:11:14,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 15:11:14,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 15:11:14,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 15:11:14,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 15:11:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-22 15:11:14,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062731823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 15:11:14,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 15:11:14,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-22 15:11:14,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709544933] [2021-10-22 15:11:14,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 15:11:14,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 15:11:14,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 15:11:14,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-22 15:11:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:14,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 15:11:14,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 15:11:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:14,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:14,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 15:11:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 15:11:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 15:11:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 15:11:14,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:14,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 15:11:14,935 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 15:11:14,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 15:11:14,936 INFO L82 PathProgramCache]: Analyzing trace with hash -735103375, now seen corresponding path program 2 times [2021-10-22 15:11:14,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 15:11:14,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712490645] [2021-10-22 15:11:14,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 15:11:14,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 15:11:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 15:11:14,946 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 15:11:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 15:11:15,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 15:11:15,003 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 15:11:15,004 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 15:11:15,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-22 15:11:15,005 INFO L308 ceAbstractionStarter]: Result for error location thr3Thread2of2ForFork1 was UNSAFE (3/5) [2021-10-22 15:11:15,006 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2021-10-22 15:11:15,006 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 15:11:15,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:11:15 BasicIcfg [2021-10-22 15:11:15,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 15:11:15,090 INFO L168 Benchmark]: Toolchain (without parser) took 18408.66 ms. Allocated memory was 219.2 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 190.5 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 588.0 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory was 180.1 MB in the beginning and 180.1 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.06 ms. Allocated memory is still 219.2 MB. Free memory was 190.4 MB in the beginning and 182.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 219.2 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: Boogie Preprocessor took 17.56 ms. Allocated memory is still 219.2 MB. Free memory was 180.2 MB in the beginning and 178.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: RCFGBuilder took 564.20 ms. Allocated memory was 219.2 MB in the beginning and 287.3 MB in the end (delta: 68.2 MB). Free memory was 178.6 MB in the beginning and 259.8 MB in the end (delta: -81.2 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,091 INFO L168 Benchmark]: TraceAbstraction took 17395.75 ms. Allocated memory was 287.3 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 259.5 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 588.9 MB. Max. memory is 8.0 GB. [2021-10-22 15:11:15,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory was 180.1 MB in the beginning and 180.1 MB in the end (delta: 63.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 397.06 ms. Allocated memory is still 219.2 MB. Free memory was 190.4 MB in the beginning and 182.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 219.2 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.56 ms. Allocated memory is still 219.2 MB. Free memory was 180.2 MB in the beginning and 178.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 564.20 ms. Allocated memory was 219.2 MB in the beginning and 287.3 MB in the end (delta: 68.2 MB). Free memory was 178.6 MB in the beginning and 259.8 MB in the end (delta: -81.2 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17395.75 ms. Allocated memory was 287.3 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 259.5 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 588.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45145, positive: 41620, positive conditional: 38728, positive unconditional: 2892, negative: 3525, negative conditional: 3479, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42234, positive: 41620, positive conditional: 0, positive unconditional: 41620, negative: 614, negative conditional: 0, negative unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2476, positive: 2426, positive conditional: 0, positive unconditional: 2426, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2476, positive: 2405, positive conditional: 0, positive unconditional: 2405, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42234, positive: 39194, positive conditional: 0, positive unconditional: 39194, negative: 564, negative conditional: 0, negative unconditional: 564, unknown: 2476, unknown conditional: 0, unknown unconditional: 2476] , Statistics on independence cache: Total cache size (in pairs): 2476, Positive cache size: 2426, Positive conditional cache size: 0, Positive unconditional cache size: 2426, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Independence queries for same thread: 2911 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 426, Number of persistent set computation: 2298, Number of trivial persistent sets: 1292, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45145, positive: 41620, positive conditional: 38728, positive unconditional: 2892, negative: 3525, negative conditional: 3479, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42234, positive: 41620, positive conditional: 0, positive unconditional: 41620, negative: 614, negative conditional: 0, negative unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2476, positive: 2426, positive conditional: 0, positive unconditional: 2426, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2476, positive: 2405, positive conditional: 0, positive unconditional: 2405, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42234, positive: 39194, positive conditional: 0, positive unconditional: 39194, negative: 564, negative conditional: 0, negative unconditional: 564, unknown: 2476, unknown conditional: 0, unknown unconditional: 2476] , Statistics on independence cache: Total cache size (in pairs): 2476, Positive cache size: 2426, Positive conditional cache size: 0, Positive unconditional cache size: 2426, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Independence queries for same thread: 2911 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3044, positive: 2906, positive conditional: 746, positive unconditional: 2160, negative: 138, negative conditional: 114, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2906, positive conditional: 0, positive unconditional: 2906, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2052, positive: 2026, positive conditional: 0, positive unconditional: 2026, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2052, positive: 2017, positive conditional: 0, positive unconditional: 2017, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 880, positive conditional: 0, positive unconditional: 880, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 2052, unknown conditional: 0, unknown unconditional: 2052] , Statistics on independence cache: Total cache size (in pairs): 2052, Positive cache size: 2026, Positive conditional cache size: 0, Positive unconditional cache size: 2026, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Independence queries for same thread: 79 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 70, Number of persistent set computation: 157, Number of trivial persistent sets: 121, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3044, positive: 2906, positive conditional: 746, positive unconditional: 2160, negative: 138, negative conditional: 114, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2906, positive conditional: 0, positive unconditional: 2906, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2052, positive: 2026, positive conditional: 0, positive unconditional: 2026, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2052, positive: 2017, positive conditional: 0, positive unconditional: 2017, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 880, positive conditional: 0, positive unconditional: 880, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 2052, unknown conditional: 0, unknown unconditional: 2052] , Statistics on independence cache: Total cache size (in pairs): 2052, Positive cache size: 2026, Positive conditional cache size: 0, Positive unconditional cache size: 2026, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Independence queries for same thread: 79 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1278, positive: 1276, positive conditional: 5, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1278, positive: 1276, positive conditional: 0, positive unconditional: 1276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1273, positive: 1271, positive conditional: 0, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1273, positive: 1271, positive conditional: 0, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1278, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1273, unknown conditional: 0, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1273, Positive cache size: 1271, Positive conditional cache size: 0, Positive unconditional cache size: 1271, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 42, Number of persistent set computation: 25, Number of trivial persistent sets: 19, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1278, positive: 1276, positive conditional: 5, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1278, positive: 1276, positive conditional: 0, positive unconditional: 1276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1273, positive: 1271, positive conditional: 0, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1273, positive: 1271, positive conditional: 0, positive unconditional: 1271, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1278, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1273, unknown conditional: 0, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1273, Positive cache size: 1271, Positive conditional cache size: 0, Positive unconditional cache size: 1271, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 930736, positive: 888150, positive conditional: 880727, positive unconditional: 7423, negative: 42586, negative conditional: 42435, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 904314, positive: 888150, positive conditional: 0, positive unconditional: 888150, negative: 16164, negative conditional: 0, negative unconditional: 16164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6764, positive: 6608, positive conditional: 0, positive unconditional: 6608, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6764, positive: 6536, positive conditional: 0, positive unconditional: 6536, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 228, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 904314, positive: 881542, positive conditional: 0, positive unconditional: 881542, negative: 16008, negative conditional: 0, negative unconditional: 16008, unknown: 6764, unknown conditional: 0, unknown unconditional: 6764] , Statistics on independence cache: Total cache size (in pairs): 6764, Positive cache size: 6608, Positive conditional cache size: 0, Positive unconditional cache size: 6608, Negative cache size: 156, Negative conditional cache size: 0, Negative unconditional cache size: 156, Independence queries for same thread: 26422 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1185, Number of persistent set computation: 20018, Number of trivial persistent sets: 12114, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 930736, positive: 888150, positive conditional: 880727, positive unconditional: 7423, negative: 42586, negative conditional: 42435, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 904314, positive: 888150, positive conditional: 0, positive unconditional: 888150, negative: 16164, negative conditional: 0, negative unconditional: 16164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6764, positive: 6608, positive conditional: 0, positive unconditional: 6608, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6764, positive: 6536, positive conditional: 0, positive unconditional: 6536, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 228, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 904314, positive: 881542, positive conditional: 0, positive unconditional: 881542, negative: 16008, negative conditional: 0, negative unconditional: 16008, unknown: 6764, unknown conditional: 0, unknown unconditional: 6764] , Statistics on independence cache: Total cache size (in pairs): 6764, Positive cache size: 6608, Positive conditional cache size: 0, Positive unconditional cache size: 6608, Negative cache size: 156, Negative conditional cache size: 0, Negative unconditional cache size: 156, Independence queries for same thread: 26422 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 817580, positive: 750717, positive conditional: 743824, positive unconditional: 6893, negative: 66863, negative conditional: 66740, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 779408, positive: 750717, positive conditional: 0, positive unconditional: 750717, negative: 28691, negative conditional: 0, negative unconditional: 28691, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6299, positive: 6170, positive conditional: 0, positive unconditional: 6170, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6299, positive: 6095, positive conditional: 0, positive unconditional: 6095, negative: 204, negative conditional: 0, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 204, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 377, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 320, negative conditional: 0, negative unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 779408, positive: 744547, positive conditional: 0, positive unconditional: 744547, negative: 28562, negative conditional: 0, negative unconditional: 28562, unknown: 6299, unknown conditional: 0, unknown unconditional: 6299] , Statistics on independence cache: Total cache size (in pairs): 6299, Positive cache size: 6170, Positive conditional cache size: 0, Positive unconditional cache size: 6170, Negative cache size: 129, Negative conditional cache size: 0, Negative unconditional cache size: 129, Independence queries for same thread: 38172 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 962, Number of persistent set computation: 14870, Number of trivial persistent sets: 7206, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 817580, positive: 750717, positive conditional: 743824, positive unconditional: 6893, negative: 66863, negative conditional: 66740, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 779408, positive: 750717, positive conditional: 0, positive unconditional: 750717, negative: 28691, negative conditional: 0, negative unconditional: 28691, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6299, positive: 6170, positive conditional: 0, positive unconditional: 6170, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6299, positive: 6095, positive conditional: 0, positive unconditional: 6095, negative: 204, negative conditional: 0, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 204, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 377, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 320, negative conditional: 0, negative unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 779408, positive: 744547, positive conditional: 0, positive unconditional: 744547, negative: 28562, negative conditional: 0, negative unconditional: 28562, unknown: 6299, unknown conditional: 0, unknown unconditional: 6299] , Statistics on independence cache: Total cache size (in pairs): 6299, Positive cache size: 6170, Positive conditional cache size: 0, Positive unconditional cache size: 6170, Negative cache size: 129, Negative conditional cache size: 0, Negative unconditional cache size: 129, Independence queries for same thread: 38172 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 723]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 716]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int g0 = 0,g1 = 0,x = 0; VAL [g0=0, g1=0, x=0] [L690] 0 _Bool lock = 0; VAL [g0=0, g1=0, lock=0, x=0] [L691] 0 int mutex = 0; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L735] 0 pthread_t t; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L736] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L737] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L738] COND TRUE 0 1 VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L723] COND TRUE 2 1 VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L740] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L704] CALL 3 __VERIFIER_atomic_acquire() [L694] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L694] RET 3 assume_abort_if_not(mutex==0) [L695] 3 mutex = 1 [L704] RET 3 __VERIFIER_atomic_acquire() [L705] COND FALSE 3 !(__VERIFIER_nondet_int()) VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L711] CALL 3 __VERIFIER_atomic_release() [L699] CALL 3 assume_abort_if_not(mutex==1) [L4] COND FALSE 3 !(!cond) [L699] RET 3 assume_abort_if_not(mutex==1) [L700] 3 mutex = 0 [L711] RET 3 __VERIFIER_atomic_release() [L723] CALL 2 __VERIFIER_atomic_acquire() [L694] CALL 2 assume_abort_if_not(mutex==0) [L4] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(mutex==0) [L695] 2 mutex = 1 [L723] RET 2 __VERIFIER_atomic_acquire() [L723] COND FALSE 2 !(!(g0==g1)) VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L723] CALL 2 __VERIFIER_atomic_release() [L699] CALL 2 assume_abort_if_not(mutex==1) [L4] COND FALSE 2 !(!cond) [L699] RET 2 assume_abort_if_not(mutex==1) [L700] 2 mutex = 0 [L723] RET 2 __VERIFIER_atomic_release() [L738] COND TRUE 0 1 VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L740] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L738] COND TRUE 0 1 VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L740] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L728] CALL 1 __VERIFIER_atomic_acquire() [L694] CALL 1 assume_abort_if_not(mutex==0) [L4] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(mutex==0) [L695] 1 mutex = 1 [L728] RET 1 __VERIFIER_atomic_acquire() [L729] 1 g0=1 VAL [g0=1, g1=0, lock=0, mutex=1, x=0] [L729] 1 g1=1 VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L730] CALL 1 __VERIFIER_atomic_release() [L699] CALL 1 assume_abort_if_not(mutex==1) [L4] COND FALSE 1 !(!cond) [L699] RET 1 assume_abort_if_not(mutex==1) [L700] 1 mutex = 0 [L730] RET 1 __VERIFIER_atomic_release() [L704] CALL 4 __VERIFIER_atomic_acquire() [L694] CALL 4 assume_abort_if_not(mutex==0) [L4] COND FALSE 4 !(!cond) [L694] RET 4 assume_abort_if_not(mutex==0) [L695] 4 mutex = 1 [L704] RET 4 __VERIFIER_atomic_acquire() [L705] COND TRUE 4 __VERIFIER_nondet_int() VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L707] 4 g0=0 VAL [g0=0, g1=1, lock=0, mutex=1, x=0] [L708] 4 g1=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L709] 4 lock=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L711] CALL 4 __VERIFIER_atomic_release() [L699] CALL 4 assume_abort_if_not(mutex==1) [L4] COND FALSE 4 !(!cond) [L699] RET 4 assume_abort_if_not(mutex==1) [L700] 4 mutex = 0 [L711] RET 4 __VERIFIER_atomic_release() [L712] CALL 4 __VERIFIER_atomic_acquire() [L694] CALL 4 assume_abort_if_not(mutex==0) [L4] COND FALSE 4 !(!cond) [L694] RET 4 assume_abort_if_not(mutex==0) [L695] 4 mutex = 1 [L712] RET 4 __VERIFIER_atomic_acquire() [L731] 1 lock=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L713] COND TRUE 4 \read(lock) VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L715] 4 x=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L716] COND TRUE 4 !(g0==1 && g1==1) VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L716] 4 reach_error() VAL [g0=0, g1=0, lock=1, mutex=1, x=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 124 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2735.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 1044.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 84.4ms SsaConstructionTime, 169.3ms SatisfiabilityAnalysisTime, 635.6ms InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 4 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 47/51 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 124 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1603.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.6ms, PartialOrderReductionTime: 144.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.8ms SsaConstructionTime, 94.7ms SatisfiabilityAnalysisTime, 477.8ms InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 SizeOfPredicates, 4 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 87/91 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread2of2ForFork2 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 94.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 43.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of2ForFork2 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 6502.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 5751.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.6ms SsaConstructionTime, 61.9ms SatisfiabilityAnalysisTime, 263.2ms InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 2 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 75/84 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr3Thread2of2ForFork1 with 1 thread instances CFG has 10 procedures, 165 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 6225.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 4447.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.3ms SsaConstructionTime, 151.4ms SatisfiabilityAnalysisTime, 490.9ms InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 973 SizeOfPredicates, 4 NumberOfNonLiveVariables, 536 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 181/199 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-22 15:11:15,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:15,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:15,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:15,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2021-10-22 15:11:15,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-22 15:11:16,144 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...