/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-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 12:08:51,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 12:08:51,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 12:08:51,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 12:08:51,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 12:08:51,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 12:08:51,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 12:08:51,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 12:08:51,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 12:08:51,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 12:08:51,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 12:08:51,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 12:08:51,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 12:08:51,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 12:08:51,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 12:08:51,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 12:08:51,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 12:08:51,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 12:08:51,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 12:08:51,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 12:08:51,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 12:08:51,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 12:08:51,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 12:08:51,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 12:08:51,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 12:08:51,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 12:08:51,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 12:08:51,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 12:08:51,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 12:08:51,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 12:08:51,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 12:08:51,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 12:08:51,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 12:08:51,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 12:08:51,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 12:08:51,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 12:08:51,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 12:08:51,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 12:08:51,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 12:08:51,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 12:08:51,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 12:08:51,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 12:08:51,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 12:08:51,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 12:08:51,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 12:08:51,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 12:08:51,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 12:08:51,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 12:08:51,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 12:08:51,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 12:08:51,720 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 12:08:51,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 12:08:51,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 12:08:51,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 12:08:51,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 12:08:51,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 12:08:51,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 12:08:51,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 12:08:51,728 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 12:08:51,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 12:08:51,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 12:08:51,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 12:08:52,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 12:08:52,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 12:08:52,004 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 12:08:52,005 INFO L432 ainManager$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 12:08:52,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d872d2ea/3db253c4cc3b45ff999bf5cff39f7766/FLAG1191e303f [2022-02-09 12:08:52,508 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 12:08:52,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2022-02-09 12:08:52,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d872d2ea/3db253c4cc3b45ff999bf5cff39f7766/FLAG1191e303f [2022-02-09 12:08:52,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d872d2ea/3db253c4cc3b45ff999bf5cff39f7766 [2022-02-09 12:08:52,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 12:08:52,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 12:08:52,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 12:08:52,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 12:08:52,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 12:08:52,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:52,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fbdcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52, skipping insertion in model container [2022-02-09 12:08:52,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:52,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 12:08:52,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 12:08:52,848 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 12:08:52,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 12:08:52,867 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 12:08:52,905 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 12:08:52,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 12:08:52,925 INFO L208 MainTranslator]: Completed translation [2022-02-09 12:08:52,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52 WrapperNode [2022-02-09 12:08:52,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 12:08:52,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 12:08:52,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 12:08:52,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 12:08:52,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:52,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:52,981 INFO L137 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2022-02-09 12:08:52,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 12:08:52,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 12:08:52,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 12:08:52,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 12:08:52,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:52,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 12:08:53,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 12:08:53,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 12:08:53,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 12:08:53,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (1/1) ... [2022-02-09 12:08:53,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 12:08:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:08:53,081 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 12:08:53,122 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 12:08:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 12:08:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 12:08:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 12:08:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 12:08:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 12:08:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 12:08:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 12:08:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 12:08:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 12:08:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 12:08:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 12:08:53,139 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 12:08:53,228 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 12:08:53,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 12:08:53,586 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 12:08:53,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 12:08:53,660 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 12:08:53,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:08:53 BoogieIcfgContainer [2022-02-09 12:08:53,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 12:08:53,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 12:08:53,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 12:08:53,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 12:08:53,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:08:52" (1/3) ... [2022-02-09 12:08:53,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6745cdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:08:53, skipping insertion in model container [2022-02-09 12:08:53,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:08:52" (2/3) ... [2022-02-09 12:08:53,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6745cdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:08:53, skipping insertion in model container [2022-02-09 12:08:53,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:08:53" (3/3) ... [2022-02-09 12:08:53,670 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2022-02-09 12:08:53,676 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 12:08:53,676 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 12:08:53,676 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 12:08:53,676 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 12:08:53,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,715 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,715 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,715 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,718 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,718 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,720 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,721 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,722 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,723 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,724 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,727 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,727 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,727 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,727 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,728 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,728 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,732 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,734 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,734 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,735 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,736 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,742 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:53,754 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 12:08:53,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 12:08:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:08:53,823 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 12:08:53,855 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 12:08:53,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 12:08:53,886 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 12:08:53,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 12:08:54,137 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:54,173 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:54,200 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 12:08:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:54,208 INFO L85 PathProgramCache]: Analyzing trace with hash 238160881, now seen corresponding path program 1 times [2022-02-09 12:08:54,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:54,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482231870] [2022-02-09 12:08:54,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:54,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:54,456 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 12:08:54,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:54,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482231870] [2022-02-09 12:08:54,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482231870] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:08:54,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:08:54,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 12:08:54,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948487756] [2022-02-09 12:08:54,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:08:54,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 12:08:54,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:08:54,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 12:08:54,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 12:08:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:08:54,499 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 12:08:54,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 12:08:54,557 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 12:08:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:54,560 INFO L85 PathProgramCache]: Analyzing trace with hash -439759850, now seen corresponding path program 1 times [2022-02-09 12:08:54,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:54,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237752435] [2022-02-09 12:08:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:54,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:54,872 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 12:08:54,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:54,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237752435] [2022-02-09 12:08:54,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237752435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:08:54,874 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:08:54,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 12:08:54,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287484929] [2022-02-09 12:08:54,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:08:54,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 12:08:54,875 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:08:54,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 12:08:54,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-09 12:08:54,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:08:54,877 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 12:08:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:54,962 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:54,980 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:55,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 12:08:55,017 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 12:08:55,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:55,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1230614436, now seen corresponding path program 1 times [2022-02-09 12:08:55,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:55,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879681319] [2022-02-09 12:08:55,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:55,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:55,185 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 12:08:55,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:55,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879681319] [2022-02-09 12:08:55,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879681319] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:08:55,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:08:55,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 12:08:55,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52423048] [2022-02-09 12:08:55,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:08:55,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 12:08:55,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:08:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 12:08:55,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-09 12:08:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:55,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:08:55,188 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 12:08:55,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:55,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:55,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:55,309 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,527 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,538 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,548 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:55,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:08:55,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 12:08:55,635 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 12:08:55,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1826657095, now seen corresponding path program 1 times [2022-02-09 12:08:55,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:55,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677744648] [2022-02-09 12:08:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:55,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:55,769 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 12:08:55,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:55,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677744648] [2022-02-09 12:08:55,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677744648] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:08:55,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642317909] [2022-02-09 12:08:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:55,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:08:55,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:08:55,782 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 12:08:55,783 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 12:08:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:55,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 12:08:55,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:08:56,314 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 12:08:56,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:08:56,676 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 12:08:56,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642317909] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 12:08:56,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 12:08:56,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-09 12:08:56,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562897850] [2022-02-09 12:08:56,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:08:56,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 12:08:56,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:08:56,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 12:08:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-09 12:08:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:56,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:08:56,682 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 12:08:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:08:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:56,768 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:08:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:08:56,814 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 12:08:57,008 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 12:08:57,009 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 12:08:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash -572390035, now seen corresponding path program 1 times [2022-02-09 12:08:57,010 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:57,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097986814] [2022-02-09 12:08:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:57,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:57,222 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 12:08:57,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:57,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097986814] [2022-02-09 12:08:57,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097986814] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:08:57,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212692058] [2022-02-09 12:08:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:57,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:08:57,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:08:57,225 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 12:08:57,258 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 12:08:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:57,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-09 12:08:57,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:08:57,851 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 12:08:58,148 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 12:08:58,214 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 12:08:58,262 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 12:08:58,500 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 12:08:58,570 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 12:08:58,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:08:58,981 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 12:08:58,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212692058] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 12:08:58,982 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 12:08:58,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 22] total 30 [2022-02-09 12:08:58,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292340715] [2022-02-09 12:08:58,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:08:58,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 12:08:58,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:08:58,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 12:08:58,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2022-02-09 12:08:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:58,985 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:08:58,985 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 12:08:58,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:58,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:58,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:08:58,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:08:58,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:59,104 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:59,149 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:08:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:08:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:08:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:08:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:08:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:08:59,254 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 12:08:59,425 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 12:08:59,426 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 12:08:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:08:59,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1473881049, now seen corresponding path program 2 times [2022-02-09 12:08:59,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:08:59,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605757422] [2022-02-09 12:08:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:08:59,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:08:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:08:59,594 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 12:08:59,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:08:59,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605757422] [2022-02-09 12:08:59,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605757422] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:08:59,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800652024] [2022-02-09 12:08:59,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 12:08:59,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:08:59,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:08:59,597 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 12:08:59,599 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 12:08:59,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 12:08:59,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 12:08:59,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 12:08:59,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:09:00,014 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 12:09:00,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 12:09:00,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800652024] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:09:00,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 12:09:00,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2022-02-09 12:09:00,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429157072] [2022-02-09 12:09:00,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:09:00,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 12:09:00,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:09:00,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 12:09:00,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-09 12:09:00,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:00,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:09:00,017 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 12:09:00,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:00,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:09:00,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:09:00,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:09:00,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:09:00,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:00,197 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:09:00,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:09:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:09:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:09:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:09:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 12:09:00,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 12:09:00,318 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 12:09:00,506 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 12:09:00,507 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 12:09:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:09:00,508 INFO L85 PathProgramCache]: Analyzing trace with hash -351760857, now seen corresponding path program 3 times [2022-02-09 12:09:00,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:09:00,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204267701] [2022-02-09 12:09:00,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:09:00,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:09:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:09:00,710 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 12:09:00,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:09:00,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204267701] [2022-02-09 12:09:00,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204267701] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:09:00,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106149109] [2022-02-09 12:09:00,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 12:09:00,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:09:00,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:09:00,712 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 12:09:00,745 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 12:09:00,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 12:09:00,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 12:09:00,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 12:09:00,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:09:01,085 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 12:09:01,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 12:09:01,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106149109] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:09:01,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 12:09:01,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2022-02-09 12:09:01,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400826978] [2022-02-09 12:09:01,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:09:01,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 12:09:01,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:09:01,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 12:09:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-09 12:09:01,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:01,092 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:09:01,092 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 12:09:01,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:01,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:09:01,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:09:01,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:09:01,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 12:09:01,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 12:09:01,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:01,280 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:09:01,496 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:09:01,507 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:09:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:09:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 12:09:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 12:09:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:09:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 12:09:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 12:09:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 12:09:01,580 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 12:09:01,757 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 12:09:01,758 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 12:09:01,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:09:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1549954715, now seen corresponding path program 4 times [2022-02-09 12:09:01,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:09:01,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243630609] [2022-02-09 12:09:01,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:09:01,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:09:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:09:02,161 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 12:09:02,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:09:02,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243630609] [2022-02-09 12:09:02,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243630609] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:09:02,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928563422] [2022-02-09 12:09:02,162 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 12:09:02,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:09:02,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:09:02,175 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 12:09:02,176 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 12:09:02,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 12:09:02,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 12:09:02,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-09 12:09:02,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:09:02,744 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 12:09:03,013 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 12:09:03,076 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 12:09:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 12:09:03,145 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 12:09:03,304 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 12:09:03,419 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 12:09:03,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:09:03,790 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 12:09:03,797 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 12:09:03,826 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 12:09:03,865 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 12:09:03,972 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 12:09:03,984 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 12:09:03,991 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 12:09:04,043 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 12:09:04,044 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 12:09:04,061 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 12:09:04,565 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 12:09:04,605 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 12:09:04,642 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 12:22:37,361 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 12:22:37,362 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 12:22:37,361 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 12:22:37,364 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 12:22:37,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 12:22:37,565 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 12:22:37,566 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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-09 12:22:37,568 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 12:22:37,568 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 12:22:37,568 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 12:22:37,574 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2022-02-09 12:22:37,575 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 12:22:37,576 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 12:22:37,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:22:37 BasicIcfg [2022-02-09 12:22:37,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 12:22:37,578 INFO L158 Benchmark]: Toolchain (without parser) took 825043.10ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 915.4MB). Free memory was 127.0MB in the beginning and 403.8MB in the end (delta: -276.8MB). Peak memory consumption was 667.0MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,578 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 12:22:37,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.58ms. Allocated memory was 184.5MB in the beginning and 341.8MB in the end (delta: 157.3MB). Free memory was 126.9MB in the beginning and 312.5MB in the end (delta: -185.6MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.89ms. Allocated memory is still 341.8MB. Free memory was 312.5MB in the beginning and 310.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,579 INFO L158 Benchmark]: Boogie Preprocessor took 47.07ms. Allocated memory is still 341.8MB. Free memory was 310.4MB in the beginning and 308.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,579 INFO L158 Benchmark]: RCFGBuilder took 632.46ms. Allocated memory is still 341.8MB. Free memory was 308.8MB in the beginning and 288.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,579 INFO L158 Benchmark]: TraceAbstraction took 823913.31ms. Allocated memory was 341.8MB in the beginning and 1.1GB in the end (delta: 758.1MB). Free memory was 288.4MB in the beginning and 403.8MB in the end (delta: -115.5MB). Peak memory consumption was 671.4MB. Max. memory is 8.0GB. [2022-02-09 12:22:37,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 386.58ms. Allocated memory was 184.5MB in the beginning and 341.8MB in the end (delta: 157.3MB). Free memory was 126.9MB in the beginning and 312.5MB in the end (delta: -185.6MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.89ms. Allocated memory is still 341.8MB. Free memory was 312.5MB in the beginning and 310.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.07ms. Allocated memory is still 341.8MB. Free memory was 310.4MB in the beginning and 308.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 632.46ms. Allocated memory is still 341.8MB. Free memory was 308.8MB in the beginning and 288.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 823913.31ms. Allocated memory was 341.8MB in the beginning and 1.1GB in the end (delta: 758.1MB). Free memory was 288.4MB in the beginning and 403.8MB in the end (delta: -115.5MB). Peak memory consumption was 671.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16308, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 1346, negative conditional: 1316, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15360, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 398, negative conditional: 368, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15360, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 398, negative conditional: 368, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 13134, positive unconditional: 1828, negative: 1235, negative conditional: 837, negative unconditional: 398, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 4317, positive unconditional: 10645, negative: 1235, negative conditional: 127, negative unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 4317, positive unconditional: 10645, negative: 1235, negative conditional: 127, negative unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1535, positive: 1494, positive conditional: 12, positive unconditional: 1482, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1535, positive: 1480, positive conditional: 0, positive unconditional: 1480, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 275, positive: 46, positive conditional: 35, positive unconditional: 11, negative: 229, negative conditional: 47, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16197, positive: 13468, positive conditional: 4305, positive unconditional: 9163, negative: 1194, negative conditional: 116, negative unconditional: 1078, unknown: 1535, unknown conditional: 23, unknown unconditional: 1512] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1494, Positive conditional cache size: 12, Positive unconditional cache size: 1482, Negative cache size: 41, Negative conditional cache size: 11, Negative unconditional cache size: 30, Eliminated conditions: 9527, Maximal queried relation: 6, Independence queries for same thread: 948 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2056, Number of trivial persistent sets: 1962, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1718, positive: 1688, positive conditional: 0, positive unconditional: 1688, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16308, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 1346, negative conditional: 1316, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15360, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 398, negative conditional: 368, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15360, positive: 14962, positive conditional: 13274, positive unconditional: 1688, negative: 398, negative conditional: 368, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 13134, positive unconditional: 1828, negative: 1235, negative conditional: 837, negative unconditional: 398, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 4317, positive unconditional: 10645, negative: 1235, negative conditional: 127, negative unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16197, positive: 14962, positive conditional: 4317, positive unconditional: 10645, negative: 1235, negative conditional: 127, negative unconditional: 1108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1535, positive: 1494, positive conditional: 12, positive unconditional: 1482, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1535, positive: 1480, positive conditional: 0, positive unconditional: 1480, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 275, positive: 46, positive conditional: 35, positive unconditional: 11, negative: 229, negative conditional: 47, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16197, positive: 13468, positive conditional: 4305, positive unconditional: 9163, negative: 1194, negative conditional: 116, negative unconditional: 1078, unknown: 1535, unknown conditional: 23, unknown unconditional: 1512] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1494, Positive conditional cache size: 12, Positive unconditional cache size: 1482, Negative cache size: 41, Negative conditional cache size: 11, Negative unconditional cache size: 30, Eliminated conditions: 9527, Maximal queried relation: 6, Independence queries for same thread: 948 - 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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 194 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 823.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.0s, 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, 0.5s SatisfiabilityAnalysisTime, 3.8s 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