/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 01:26:04,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 01:26:04,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 01:26:04,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 01:26:04,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 01:26:04,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 01:26:04,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 01:26:04,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 01:26:04,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 01:26:04,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 01:26:04,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 01:26:04,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 01:26:04,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 01:26:04,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 01:26:04,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 01:26:04,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 01:26:04,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 01:26:04,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 01:26:04,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 01:26:04,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 01:26:04,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 01:26:04,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 01:26:04,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 01:26:04,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 01:26:04,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 01:26:04,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 01:26:04,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 01:26:04,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 01:26:04,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 01:26:04,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 01:26:04,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 01:26:04,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 01:26:04,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 01:26:04,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 01:26:04,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 01:26:04,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 01:26:04,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 01:26:04,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 01:26:04,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 01:26:04,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 01:26:04,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 01:26:04,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 01:26:04,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 01:26:04,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 01:26:04,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 01:26:04,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 01:26:04,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 01:26:04,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 01:26:04,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 01:26:04,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 01:26:04,709 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 01:26:04,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 01:26:04,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 01:26:04,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 01:26:04,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:26:04,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 01:26:04,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 01:26:04,713 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 01:26:04,713 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 01:26:04,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 01:26:04,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 01:26:04,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 01:26:04,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 01:26:04,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 01:26:04,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 01:26:04,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-11-16 01:26:04,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120347d3e/cc6e5ee2db8c4e68a06169ba3474fad2/FLAG34e511efc [2022-11-16 01:26:05,386 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 01:26:05,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-11-16 01:26:05,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120347d3e/cc6e5ee2db8c4e68a06169ba3474fad2/FLAG34e511efc [2022-11-16 01:26:05,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120347d3e/cc6e5ee2db8c4e68a06169ba3474fad2 [2022-11-16 01:26:05,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 01:26:05,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 01:26:05,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 01:26:05,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 01:26:05,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 01:26:05,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a97a802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05, skipping insertion in model container [2022-11-16 01:26:05,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 01:26:05,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 01:26:05,658 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-16 01:26:05,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:26:05,670 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 01:26:05,722 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-16 01:26:05,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 01:26:05,742 INFO L208 MainTranslator]: Completed translation [2022-11-16 01:26:05,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05 WrapperNode [2022-11-16 01:26:05,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 01:26:05,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 01:26:05,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 01:26:05,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 01:26:05,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,817 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2022-11-16 01:26:05,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 01:26:05,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 01:26:05,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 01:26:05,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 01:26:05,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 01:26:05,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 01:26:05,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 01:26:05,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 01:26:05,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (1/1) ... [2022-11-16 01:26:05,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 01:26:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 01:26:05,902 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) [2022-11-16 01:26:05,909 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 [2022-11-16 01:26:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 01:26:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 01:26:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 01:26:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 01:26:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 01:26:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 01:26:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 01:26:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 01:26:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 01:26:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 01:26:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 01:26:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 01:26:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 01:26:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-16 01:26:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-16 01:26:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-16 01:26:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-16 01:26:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-11-16 01:26:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-11-16 01:26:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-11-16 01:26:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-11-16 01:26:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 01:26:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 01:26:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 01:26:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 01:26:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 01:26:05,943 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 01:26:06,045 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 01:26:06,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 01:26:06,506 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 01:26:06,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 01:26:06,629 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 01:26:06,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:26:06 BoogieIcfgContainer [2022-11-16 01:26:06,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 01:26:06,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 01:26:06,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 01:26:06,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 01:26:06,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:26:05" (1/3) ... [2022-11-16 01:26:06,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7dac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:26:06, skipping insertion in model container [2022-11-16 01:26:06,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:26:05" (2/3) ... [2022-11-16 01:26:06,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef7dac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:26:06, skipping insertion in model container [2022-11-16 01:26:06,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 01:26:06" (3/3) ... [2022-11-16 01:26:06,640 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-11-16 01:26:06,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 01:26:06,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 01:26:06,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 01:26:06,656 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 01:26:06,791 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-16 01:26:06,845 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:26:06,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 01:26:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 01:26:06,849 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) [2022-11-16 01:26:06,860 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 [2022-11-16 01:26:06,883 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 01:26:06,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 01:26:06,902 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b79327d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 01:26:06,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 01:26:07,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 01:26:07,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:26:07,786 INFO L85 PathProgramCache]: Analyzing trace with hash -412995065, now seen corresponding path program 1 times [2022-11-16 01:26:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:26:07,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999309249] [2022-11-16 01:26:07,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:26:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:26:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:26:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:26:08,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:26:08,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999309249] [2022-11-16 01:26:08,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999309249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 01:26:08,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 01:26:08,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 01:26:08,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740267028] [2022-11-16 01:26:08,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 01:26:08,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 01:26:08,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:26:08,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 01:26:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 01:26:08,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:26:08,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:26:08,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 101.5) internal successors, (203), 2 states have internal predecessors, (203), 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) [2022-11-16 01:26:08,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:26:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:26:08,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 01:26:08,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 01:26:08,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 01:26:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1692170808, now seen corresponding path program 1 times [2022-11-16 01:26:08,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 01:26:08,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635782267] [2022-11-16 01:26:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 01:26:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 01:26:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 01:26:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 01:26:10,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 01:26:10,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635782267] [2022-11-16 01:26:10,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635782267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 01:26:10,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 01:26:10,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 01:26:10,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982522925] [2022-11-16 01:26:10,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 01:26:10,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 01:26:10,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 01:26:10,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 01:26:10,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-16 01:26:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:26:10,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 01:26:10,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.75) internal successors, (201), 12 states have internal predecessors, (201), 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) [2022-11-16 01:26:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 01:26:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.