/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 06:30:43,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 06:30:43,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 06:30:43,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 06:30:43,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 06:30:43,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 06:30:43,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 06:30:43,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 06:30:43,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 06:30:43,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 06:30:43,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 06:30:43,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 06:30:43,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 06:30:43,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 06:30:43,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 06:30:43,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 06:30:43,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 06:30:43,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 06:30:43,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 06:30:43,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 06:30:43,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 06:30:43,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 06:30:43,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 06:30:43,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 06:30:43,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 06:30:43,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 06:30:43,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 06:30:43,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 06:30:43,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 06:30:43,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 06:30:43,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 06:30:43,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 06:30:43,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 06:30:43,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 06:30:43,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 06:30:43,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 06:30:43,745 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-NewStatesSleep-NoLbe.epf [2022-02-09 06:30:43,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 06:30:43,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 06:30:43,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 06:30:43,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 06:30:43,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 06:30:43,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 06:30:43,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 06:30:43,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 06:30:43,765 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 06:30:43,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 06:30:43,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 06:30:43,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 06:30:43,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 06:30:43,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:30:43,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 06:30:43,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 06:30:43,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 06:30:43,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 06:30:43,769 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 06:30:43,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 06:30:43,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 06:30:43,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 06:30:43,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 06:30:43,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 06:30:43,968 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 06:30:43,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2022-02-09 06:30:44,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ee7deb5/9c1c969edd7a4b1ca809b6249f060e6f/FLAGa0fa23ff8 [2022-02-09 06:30:44,324 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 06:30:44,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2022-02-09 06:30:44,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ee7deb5/9c1c969edd7a4b1ca809b6249f060e6f/FLAGa0fa23ff8 [2022-02-09 06:30:44,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ee7deb5/9c1c969edd7a4b1ca809b6249f060e6f [2022-02-09 06:30:44,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 06:30:44,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 06:30:44,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 06:30:44,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 06:30:44,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 06:30:44,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:44,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19df224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44, skipping insertion in model container [2022-02-09 06:30:44,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:44,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 06:30:44,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 06:30:44,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2022-02-09 06:30:44,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:30:44,960 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 06:30:44,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2022-02-09 06:30:44,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:30:44,987 INFO L208 MainTranslator]: Completed translation [2022-02-09 06:30:44,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44 WrapperNode [2022-02-09 06:30:44,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 06:30:44,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 06:30:44,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 06:30:44,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 06:30:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:44,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,014 INFO L137 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2022-02-09 06:30:45,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 06:30:45,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 06:30:45,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 06:30:45,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 06:30:45,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 06:30:45,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 06:30:45,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 06:30:45,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 06:30:45,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (1/1) ... [2022-02-09 06:30:45,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:30:45,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:45,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 06:30:45,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 06:30:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 06:30:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 06:30:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 06:30:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 06:30:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 06:30:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 06:30:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 06:30:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 06:30:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 06:30:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 06:30:45,133 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 06:30:45,238 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 06:30:45,239 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 06:30:45,520 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 06:30:45,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 06:30:45,638 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 06:30:45,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:30:45 BoogieIcfgContainer [2022-02-09 06:30:45,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 06:30:45,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 06:30:45,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 06:30:45,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 06:30:45,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:30:44" (1/3) ... [2022-02-09 06:30:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab0e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:30:45, skipping insertion in model container [2022-02-09 06:30:45,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:30:44" (2/3) ... [2022-02-09 06:30:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab0e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:30:45, skipping insertion in model container [2022-02-09 06:30:45,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:30:45" (3/3) ... [2022-02-09 06:30:45,673 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2022-02-09 06:30:45,677 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 06:30:45,677 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 06:30:45,677 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 06:30:45,677 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 06:30:45,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,732 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,732 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,732 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,734 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,736 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,737 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,737 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,738 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,738 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,744 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,745 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,745 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,751 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,759 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,774 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,775 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,777 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:45,780 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 06:30:45,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 06:30:45,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:45,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 06:30:45,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 06:30:45,855 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 06:30:45,860 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 06:30:45,860 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 06:30:45,962 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:45,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 238160881, now seen corresponding path program 1 times [2022-02-09 06:30:45,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:45,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844145586] [2022-02-09 06:30:45,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:45,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:30:46,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:46,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844145586] [2022-02-09 06:30:46,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844145586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:30:46,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:30:46,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 06:30:46,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484804954] [2022-02-09 06:30:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:46,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 06:30:46,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 06:30:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 06:30:46,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:46,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:46,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 06:30:46,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:46,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:46,191 INFO L85 PathProgramCache]: Analyzing trace with hash -439759850, now seen corresponding path program 1 times [2022-02-09 06:30:46,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:46,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511687868] [2022-02-09 06:30:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:46,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:30:46,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:46,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511687868] [2022-02-09 06:30:46,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511687868] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:30:46,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:30:46,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:30:46,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247953547] [2022-02-09 06:30:46,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:46,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:30:46,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:46,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:30:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:30:46,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:46,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,585 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:46,597 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:46,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 06:30:46,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:46,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1230614436, now seen corresponding path program 1 times [2022-02-09 06:30:46,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:46,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372917244] [2022-02-09 06:30:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:46,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:30:46,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:46,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372917244] [2022-02-09 06:30:46,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372917244] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:30:46,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:30:46,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 06:30:46,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327833994] [2022-02-09 06:30:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:46,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 06:30:46,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:46,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 06:30:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-09 06:30:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:46,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:46,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,793 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:46,889 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:46,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 06:30:46,938 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:46,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1826657095, now seen corresponding path program 1 times [2022-02-09 06:30:46,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:46,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532480086] [2022-02-09 06:30:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:46,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:30:47,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:47,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532480086] [2022-02-09 06:30:47,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532480086] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:47,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103599452] [2022-02-09 06:30:47,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:47,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:47,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:47,020 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) [2022-02-09 06:30:47,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 06:30:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:47,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 06:30:47,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:30:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:30:47,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:30:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:30:47,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103599452] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:47,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 06:30:47,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-09 06:30:47,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825448251] [2022-02-09 06:30:47,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:47,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 06:30:47,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:47,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 06:30:47,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-09 06:30:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:47,696 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:47,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:47,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:47,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:47,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:47,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:47,784 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:47,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:47,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:47,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 06:30:48,010 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,SelfDestructingSolverStorable3 [2022-02-09 06:30:48,011 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:48,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:48,011 INFO L85 PathProgramCache]: Analyzing trace with hash -572390035, now seen corresponding path program 1 times [2022-02-09 06:30:48,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:48,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713406486] [2022-02-09 06:30:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:48,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:30:48,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:48,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713406486] [2022-02-09 06:30:48,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713406486] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:48,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42673861] [2022-02-09 06:30:48,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:48,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:48,139 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) [2022-02-09 06:30:48,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 06:30:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:48,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-09 06:30:48,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:30:48,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 06:30:48,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:30:48,918 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:30:48,985 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:30:49,152 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 06:30:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:30:49,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:30:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:30:49,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42673861] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:49,521 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 06:30:49,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 22] total 30 [2022-02-09 06:30:49,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978139190] [2022-02-09 06:30:49,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:49,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 06:30:49,522 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:49,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 06:30:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2022-02-09 06:30:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:49,523 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:49,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 10 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:49,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:49,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:49,628 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:30:49,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 06:30:49,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:49,914 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:49,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1473881049, now seen corresponding path program 2 times [2022-02-09 06:30:49,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:49,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038071088] [2022-02-09 06:30:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:49,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:30:50,034 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:50,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038071088] [2022-02-09 06:30:50,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038071088] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:50,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488506022] [2022-02-09 06:30:50,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:30:50,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:50,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:30:50,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 06:30:50,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 06:30:50,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:30:50,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:30:50,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:30:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 06:30:50,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 06:30:50,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488506022] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:30:50,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 06:30:50,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2022-02-09 06:30:50,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306532282] [2022-02-09 06:30:50,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:50,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 06:30:50,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:50,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 06:30:50,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-09 06:30:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:50,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:50,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:50,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:50,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:30:50,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:50,483 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:50,510 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:30:50,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 06:30:50,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 06:30:50,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:50,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:50,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash -351760857, now seen corresponding path program 3 times [2022-02-09 06:30:50,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:50,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786486715] [2022-02-09 06:30:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:50,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:30:50,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:50,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786486715] [2022-02-09 06:30:50,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786486715] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:50,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442518257] [2022-02-09 06:30:50,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 06:30:50,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:50,903 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) [2022-02-09 06:30:50,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 06:30:50,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 06:30:50,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:30:50,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:30:50,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:30:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 06:30:51,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 06:30:51,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442518257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:30:51,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 06:30:51,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2022-02-09 06:30:51,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944019712] [2022-02-09 06:30:51,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:30:51,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 06:30:51,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:30:51,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 06:30:51,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-09 06:30:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:51,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:30:51,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:30:51,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 06:30:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:51,393 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:51,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:51,529 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:30:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:30:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:30:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:30:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:30:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 06:30:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 06:30:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 06:30:51,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 06:30:51,765 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 [2022-02-09 06:30:51,765 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:30:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:30:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1549954715, now seen corresponding path program 4 times [2022-02-09 06:30:51,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:30:51,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697696688] [2022-02-09 06:30:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:30:51,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:30:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:30:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:30:52,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:30:52,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697696688] [2022-02-09 06:30:52,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697696688] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:30:52,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909942391] [2022-02-09 06:30:52,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 06:30:52,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:30:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:30:52,080 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) [2022-02-09 06:30:52,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 06:30:52,164 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 06:30:52,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:30:52,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-09 06:30:52,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:30:52,601 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 06:30:52,828 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:30:52,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:30:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 06:30:52,959 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 06:30:53,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 06:30:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:30:53,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:30:53,533 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array Int Int))) (<= c_~min~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) c_~A~0.base) c_~A~0.offset))) is different from false [2022-02-09 06:30:53,537 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array Int Int))) (<= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) c_~A~0.base) c_~A~0.offset))) is different from false [2022-02-09 06:30:53,554 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_211))) (<= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) c_~A~0.base) c_~A~0.offset)))) is different from false [2022-02-09 06:30:53,573 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array Int Int)) (v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_211))) (<= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) c_~A~0.base) c_~A~0.offset)))) is different from false [2022-02-09 06:30:53,626 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array Int Int)) (v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_211))) (<= (select (select .cse0 |c_ULTIMATE.start_main_#t~ret17#1.base|) |c_ULTIMATE.start_main_#t~ret17#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_#t~ret17#1.base|) |c_ULTIMATE.start_main_#t~ret17#1.offset|)))) is different from false [2022-02-09 06:30:53,634 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array Int Int)) (v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_211))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) is different from false [2022-02-09 06:30:53,639 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array Int Int)) (v_ArrVal_212 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_211))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) is different from false [2022-02-09 06:30:53,661 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:30:53,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2022-02-09 06:30:53,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8102 treesize of output 7462 [2022-02-09 06:30:54,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6422 treesize of output 5974 [2022-02-09 06:30:54,117 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5974 treesize of output 5462 [2022-02-09 06:30:54,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5462 treesize of output 5174 Received shutdown request... [2022-02-09 06:45:16,073 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-02-09 06:45:16,092 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 06:45:16,095 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:45:16,097 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:45:16,117 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:45:16,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 06:45:16,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:45:16,310 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 149 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-2-2-2-3-2-3-2-2-2-2-2-1 context. [2022-02-09 06:45:16,317 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 06:45:16,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 06:45:16,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 06:45:16,322 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2022-02-09 06:45:16,324 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 06:45:16,324 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 06:45:16,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:45:16 BasicIcfg [2022-02-09 06:45:16,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 06:45:16,328 INFO L158 Benchmark]: Toolchain (without parser) took 871574.85ms. Allocated memory was 197.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 143.7MB in the beginning and 756.0MB in the end (delta: -612.3MB). Peak memory consumption was 765.9MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,328 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 159.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 06:45:16,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.63ms. Allocated memory is still 197.1MB. Free memory was 143.5MB in the beginning and 168.5MB in the end (delta: -25.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.61ms. Allocated memory is still 197.1MB. Free memory was 168.5MB in the beginning and 166.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,329 INFO L158 Benchmark]: Boogie Preprocessor took 21.75ms. Allocated memory is still 197.1MB. Free memory was 166.5MB in the beginning and 164.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,329 INFO L158 Benchmark]: RCFGBuilder took 601.50ms. Allocated memory is still 197.1MB. Free memory was 164.7MB in the beginning and 145.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,330 INFO L158 Benchmark]: TraceAbstraction took 870685.12ms. Allocated memory was 197.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 144.9MB in the beginning and 756.0MB in the end (delta: -611.1MB). Peak memory consumption was 767.0MB. Max. memory is 8.0GB. [2022-02-09 06:45:16,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 159.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.63ms. Allocated memory is still 197.1MB. Free memory was 143.5MB in the beginning and 168.5MB in the end (delta: -25.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.61ms. Allocated memory is still 197.1MB. Free memory was 168.5MB in the beginning and 166.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.75ms. Allocated memory is still 197.1MB. Free memory was 166.5MB in the beginning and 164.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.50ms. Allocated memory is still 197.1MB. Free memory was 164.7MB in the beginning and 145.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 870685.12ms. Allocated memory was 197.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 144.9MB in the beginning and 756.0MB in the end (delta: -611.1MB). Peak memory consumption was 767.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16617, positive: 15221, positive conditional: 15221, positive unconditional: 0, negative: 1396, negative conditional: 1396, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15591, positive: 15221, positive conditional: 15221, positive unconditional: 0, negative: 370, negative conditional: 370, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15591, positive: 15221, positive conditional: 15221, positive unconditional: 0, negative: 370, negative conditional: 370, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16442, positive: 15221, positive conditional: 15081, positive unconditional: 140, negative: 1221, negative conditional: 851, negative unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16442, positive: 15221, positive conditional: 4934, positive unconditional: 10287, negative: 1221, negative conditional: 137, negative unconditional: 1084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16442, positive: 15221, positive conditional: 4934, positive unconditional: 10287, negative: 1221, negative conditional: 137, negative unconditional: 1084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 720, positive: 698, positive conditional: 233, positive unconditional: 465, negative: 22, negative conditional: 11, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 720, positive: 686, positive conditional: 0, positive unconditional: 686, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 22, negative conditional: 11, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 101, negative conditional: 36, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16442, positive: 14523, positive conditional: 4701, positive unconditional: 9822, negative: 1199, negative conditional: 126, negative unconditional: 1073, unknown: 720, unknown conditional: 244, unknown unconditional: 476] , Statistics on independence cache: Total cache size (in pairs): 720, Positive cache size: 698, Positive conditional cache size: 233, Positive unconditional cache size: 465, Negative cache size: 22, Negative conditional cache size: 11, Negative unconditional cache size: 11, Eliminated conditions: 10861, Maximal queried relation: 6, Independence queries for same thread: 1026 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 149 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-2-2-2-3-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 149 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-2-2-2-3-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 149 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-2-2-2-3-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 149 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-2-2-2-3-2-3-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 194 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1577 NumberOfCodeBlocks, 1543 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1855 ConstructedInterpolants, 0 QuantifiedInterpolants, 6155 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 20/28 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 could not prove your program: Timeout Completed graceful shutdown