/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.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:49:39,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:49:39,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:49:39,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:49:39,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:49:39,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:49:39,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:49:39,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:49:39,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:49:39,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:49:39,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:49:39,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:49:39,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:49:39,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:49:39,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:49:39,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:49:39,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:49:39,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:49:39,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:49:39,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:49:39,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:49:39,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:49:39,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:49:39,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:49:39,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:49:39,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:49:39,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:49:39,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:49:39,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:49:39,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:49:39,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:49:39,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:49:39,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:49:39,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:49:39,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:49:39,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:49:39,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:49:39,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:49:39,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:49:39,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:49:39,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:49:39,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:49:39,790 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:49:39,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:49:39,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:49:39,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:49:39,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:49:39,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:49:39,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:49:39,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:49:39,793 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:49:39,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:49:39,793 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:49:39,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:49:39,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:49:39,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:49:39,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:49:39,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:49:39,796 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:49:39,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:49:40,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:49:40,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:49:40,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:49:40,053 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:49:40,053 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:49:40,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2023-03-23 21:49:41,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:49:41,355 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:49:41,355 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2023-03-23 21:49:41,361 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e27f03b/49874465f38c431c9c417aa64ee9dd41/FLAGf8cf81e77 [2023-03-23 21:49:41,372 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e27f03b/49874465f38c431c9c417aa64ee9dd41 [2023-03-23 21:49:41,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:49:41,376 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:49:41,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:49:41,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:49:41,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:49:41,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cefa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41, skipping insertion in model container [2023-03-23 21:49:41,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:49:41,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:49:41,531 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2023-03-23 21:49:41,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:49:41,562 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:49:41,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2023-03-23 21:49:41,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:49:41,601 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:49:41,602 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:49:41,607 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:49:41,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41 WrapperNode [2023-03-23 21:49:41,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:49:41,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:49:41,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:49:41,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:49:41,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,650 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 228 [2023-03-23 21:49:41,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:49:41,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:49:41,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:49:41,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:49:41,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:49:41,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:49:41,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:49:41,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:49:41,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (1/1) ... [2023-03-23 21:49:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:49:41,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:41,708 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) [2023-03-23 21:49:41,715 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 [2023-03-23 21:49:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:49:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:49:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:49:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:49:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:49:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:49:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:49:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 21:49:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 21:49:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:49:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:49:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:49:41,745 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 21:49:41,831 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:49:41,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:49:42,208 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:49:42,353 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:49:42,353 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-23 21:49:42,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:49:42 BoogieIcfgContainer [2023-03-23 21:49:42,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:49:42,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:49:42,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:49:42,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:49:42,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:49:41" (1/3) ... [2023-03-23 21:49:42,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c47384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:49:42, skipping insertion in model container [2023-03-23 21:49:42,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:49:41" (2/3) ... [2023-03-23 21:49:42,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c47384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:49:42, skipping insertion in model container [2023-03-23 21:49:42,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:49:42" (3/3) ... [2023-03-23 21:49:42,363 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-03-23 21:49:42,370 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:49:42,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:49:42,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:49:42,379 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:49:42,477 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-03-23 21:49:42,533 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:49:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:49:42,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:42,541 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) [2023-03-23 21:49:42,603 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 [2023-03-23 21:49:42,620 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:49:42,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:49:42,636 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;@32a812f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:49:42,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 21:49:45,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:45,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:45,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1967748722, now seen corresponding path program 1 times [2023-03-23 21:49:45,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:45,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013150120] [2023-03-23 21:49:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:45,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:45,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013150120] [2023-03-23 21:49:45,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013150120] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:49:45,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:49:45,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:49:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047129179] [2023-03-23 21:49:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:49:45,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:49:45,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:49:46,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:49:46,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:46,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:46,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2023-03-23 21:49:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:46,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:49:46,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:46,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:46,716 INFO L85 PathProgramCache]: Analyzing trace with hash -938238957, now seen corresponding path program 1 times [2023-03-23 21:49:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277821108] [2023-03-23 21:49:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:47,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277821108] [2023-03-23 21:49:47,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277821108] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:49:47,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:49:47,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 21:49:47,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84258934] [2023-03-23 21:49:47,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:49:47,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 21:49:47,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 21:49:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-23 21:49:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:47,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:47,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2023-03-23 21:49:47,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:47,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:49:47,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:47,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:47,847 INFO L85 PathProgramCache]: Analyzing trace with hash -42575184, now seen corresponding path program 1 times [2023-03-23 21:49:47,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:47,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832454354] [2023-03-23 21:49:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:48,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:48,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832454354] [2023-03-23 21:49:48,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832454354] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:48,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4582380] [2023-03-23 21:49:48,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:48,095 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) [2023-03-23 21:49:48,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 21:49:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:48,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-23 21:49:48,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:49:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:48,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:49:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:48,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4582380] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:48,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-03-23 21:49:48,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-03-23 21:49:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333228364] [2023-03-23 21:49:48,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:49:48,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 21:49:48,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:48,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 21:49:48,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-03-23 21:49:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:48,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:48,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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) [2023-03-23 21:49:48,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:48,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:48,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:48,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 21:49:48,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-23 21:49:48,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:48,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:48,992 INFO L85 PathProgramCache]: Analyzing trace with hash -233181317, now seen corresponding path program 1 times [2023-03-23 21:49:48,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:48,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878047286] [2023-03-23 21:49:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:48,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:49:49,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:49,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878047286] [2023-03-23 21:49:49,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878047286] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:49,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135638348] [2023-03-23 21:49:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:49,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:49,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:49,255 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) [2023-03-23 21:49:49,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 21:49:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:49,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-23 21:49:49,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:49:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:49:49,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:49:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:49:49,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135638348] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:49,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-03-23 21:49:49,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2023-03-23 21:49:49,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791319831] [2023-03-23 21:49:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:49:49,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-23 21:49:49,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:49,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-23 21:49:49,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-03-23 21:49:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:49,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:49,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 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) [2023-03-23 21:49:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:49,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:50,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:49:50,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 21:49:50,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:50,537 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:50,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash -206198512, now seen corresponding path program 1 times [2023-03-23 21:49:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:50,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494581873] [2023-03-23 21:49:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:49:51,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:51,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494581873] [2023-03-23 21:49:51,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494581873] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:51,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447031320] [2023-03-23 21:49:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:51,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:51,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:51,029 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) [2023-03-23 21:49:51,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 21:49:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:51,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 17 conjunts are in the unsatisfiable core [2023-03-23 21:49:51,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:49:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:49:51,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-23 21:49:51,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447031320] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:49:51,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-23 21:49:51,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2023-03-23 21:49:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545208492] [2023-03-23 21:49:51,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:49:51,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-23 21:49:51,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:51,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-23 21:49:51,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-03-23 21:49:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:51,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:51,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 10 states have internal predecessors, (162), 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) [2023-03-23 21:49:51,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:51,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:51,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:51,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:49:51,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:49:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:49:53,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 21:49:53,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:53,673 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:53,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1835025041, now seen corresponding path program 1 times [2023-03-23 21:49:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:53,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619695800] [2023-03-23 21:49:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:49:54,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:54,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619695800] [2023-03-23 21:49:54,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619695800] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:54,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865032843] [2023-03-23 21:49:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:54,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:54,004 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) [2023-03-23 21:49:54,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 21:49:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:54,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 10 conjunts are in the unsatisfiable core [2023-03-23 21:49:54,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:49:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:49:54,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:49:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:49:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865032843] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:49:54,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:49:54,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-03-23 21:49:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705183440] [2023-03-23 21:49:54,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:49:54,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-03-23 21:49:54,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:49:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-03-23 21:49:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-03-23 21:49:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:54,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:49:54,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.083333333333334) internal successors, (290), 24 states have internal predecessors, (290), 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) [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:49:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:56,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:49:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:49:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:49:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:49:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:49:56,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 21:49:56,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:56,253 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:49:56,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:49:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash -942165522, now seen corresponding path program 2 times [2023-03-23 21:49:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:49:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964028369] [2023-03-23 21:49:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:49:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:49:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:49:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:49:59,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:49:59,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964028369] [2023-03-23 21:49:59,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964028369] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:49:59,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794959866] [2023-03-23 21:49:59,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:49:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:49:59,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:49:59,323 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) [2023-03-23 21:49:59,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 21:49:59,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:49:59,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:49:59,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 85 conjunts are in the unsatisfiable core [2023-03-23 21:49:59,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:50:01,841 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-03-23 21:50:01,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 28 [2023-03-23 21:50:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:50:01,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:50:07,053 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:50:07,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 209 treesize of output 177 [2023-03-23 21:50:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:50:17,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794959866] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:50:17,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:50:17,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 36, 38] total 109 [2023-03-23 21:50:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932316699] [2023-03-23 21:50:17,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:50:17,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2023-03-23 21:50:17,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:50:17,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2023-03-23 21:50:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1309, Invalid=10463, Unknown=0, NotChecked=0, Total=11772 [2023-03-23 21:50:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:50:17,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:50:17,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 5.18348623853211) internal successors, (565), 109 states have internal predecessors, (565), 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) [2023-03-23 21:50:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:50:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:50:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:50:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:50:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:50:17,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:50:17,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:50:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:50:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:50:32,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-23 21:50:32,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:50:32,203 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:50:32,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:50:32,203 INFO L85 PathProgramCache]: Analyzing trace with hash -145532447, now seen corresponding path program 3 times [2023-03-23 21:50:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:50:32,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796898788] [2023-03-23 21:50:32,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:50:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:50:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:50:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-03-23 21:50:32,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:50:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796898788] [2023-03-23 21:50:32,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796898788] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:50:32,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629489145] [2023-03-23 21:50:32,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:50:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:50:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:50:32,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:50:32,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-23 21:50:32,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-03-23 21:50:32,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:50:32,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 67 conjunts are in the unsatisfiable core [2023-03-23 21:50:32,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:50:35,153 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:50:35,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 45 [2023-03-23 21:50:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 110 proven. 10 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-03-23 21:50:35,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:50:43,895 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:50:43,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 324 treesize of output 324 [2023-03-23 21:51:11,006 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:56:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-03-23 21:56:02,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629489145] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:56:02,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:56:02,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 34, 33] total 77 [2023-03-23 21:56:02,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642790083] [2023-03-23 21:56:02,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:56:02,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-03-23 21:56:02,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:56:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-03-23 21:56:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=5394, Unknown=0, NotChecked=0, Total=5852 [2023-03-23 21:56:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:02,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:56:02,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 7.584415584415584) internal successors, (584), 77 states have internal predecessors, (584), 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) [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:56:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:56:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:56:46,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-03-23 21:56:46,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:56:46,821 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:56:46,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:56:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2115675006, now seen corresponding path program 4 times [2023-03-23 21:56:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:56:46,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327897252] [2023-03-23 21:56:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:56:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:56:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:56:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 196 proven. 82 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-03-23 21:56:47,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:56:47,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327897252] [2023-03-23 21:56:47,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327897252] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:56:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75257065] [2023-03-23 21:56:47,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 21:56:47,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:56:47,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:56:47,452 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:56:47,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-23 21:56:47,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 21:56:47,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:56:47,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 18 conjunts are in the unsatisfiable core [2023-03-23 21:56:47,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:56:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 251 proven. 27 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-03-23 21:56:48,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:56:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 251 proven. 27 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-03-23 21:56:48,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75257065] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:56:48,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:56:48,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-03-23 21:56:48,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27131794] [2023-03-23 21:56:48,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:56:48,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-03-23 21:56:48,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:56:48,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-03-23 21:56:48,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2023-03-23 21:56:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:48,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:56:48,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 10.25) internal successors, (451), 44 states have internal predecessors, (451), 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) [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:56:48,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:56:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:56:57,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-23 21:56:57,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-03-23 21:56:57,543 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:56:57,544 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:56:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash 764717253, now seen corresponding path program 5 times [2023-03-23 21:56:57,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:56:57,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120035649] [2023-03-23 21:56:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:56:57,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:56:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:56:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 12 proven. 71 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-03-23 21:56:58,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:56:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120035649] [2023-03-23 21:56:58,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120035649] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:56:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161875389] [2023-03-23 21:56:58,202 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 21:56:58,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:56:58,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:56:58,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:56:58,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-03-23 21:56:58,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-03-23 21:56:58,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:56:58,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 20 conjunts are in the unsatisfiable core [2023-03-23 21:56:58,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:56:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 169 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-03-23 21:56:58,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:56:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 169 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-03-23 21:56:59,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161875389] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:56:59,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:56:59,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 44 [2023-03-23 21:56:59,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693437702] [2023-03-23 21:56:59,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:56:59,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-03-23 21:56:59,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:56:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-03-23 21:56:59,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1722, Unknown=0, NotChecked=0, Total=1892 [2023-03-23 21:56:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:59,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:56:59,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 12.613636363636363) internal successors, (555), 44 states have internal predecessors, (555), 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) [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:56:59,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:56:59,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:56:59,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:56:59,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:18,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-03-23 21:57:18,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-23 21:57:18,286 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:57:18,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:57:18,286 INFO L85 PathProgramCache]: Analyzing trace with hash 255261887, now seen corresponding path program 1 times [2023-03-23 21:57:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:57:18,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853644178] [2023-03-23 21:57:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:57:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:57:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:57:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 203 proven. 134 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-03-23 21:57:19,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:57:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853644178] [2023-03-23 21:57:19,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853644178] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:57:19,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523575723] [2023-03-23 21:57:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:57:19,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:57:19,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:57:19,145 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:57:19,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-03-23 21:57:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:57:19,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 22 conjunts are in the unsatisfiable core [2023-03-23 21:57:19,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:57:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 285 proven. 52 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-03-23 21:57:19,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:57:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 285 proven. 52 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-03-23 21:57:20,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523575723] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:57:20,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:57:20,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-03-23 21:57:20,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620319755] [2023-03-23 21:57:20,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:57:20,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-03-23 21:57:20,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:57:20,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-03-23 21:57:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2023-03-23 21:57:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:20,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:57:20,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 9.851851851851851) internal successors, (532), 54 states have internal predecessors, (532), 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) [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:20,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:57:33,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-03-23 21:57:34,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-03-23 21:57:34,038 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:57:34,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:57:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1076906340, now seen corresponding path program 2 times [2023-03-23 21:57:34,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:57:34,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422785687] [2023-03-23 21:57:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:57:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:57:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:57:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 91 proven. 276 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-03-23 21:57:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:57:34,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422785687] [2023-03-23 21:57:34,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422785687] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:57:34,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359548512] [2023-03-23 21:57:34,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:57:34,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:57:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:57:34,975 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:57:34,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-03-23 21:57:35,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:57:35,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:57:35,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 26 conjunts are in the unsatisfiable core [2023-03-23 21:57:35,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:57:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 173 proven. 194 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-03-23 21:57:36,092 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:57:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 173 proven. 194 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-03-23 21:57:36,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359548512] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:57:36,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:57:36,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-03-23 21:57:36,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252874334] [2023-03-23 21:57:36,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:57:36,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-03-23 21:57:36,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:57:36,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-03-23 21:57:36,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=3429, Unknown=0, NotChecked=0, Total=4032 [2023-03-23 21:57:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:36,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:57:36,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 9.21875) internal successors, (590), 64 states have internal predecessors, (590), 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) [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:36,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:57:36,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:57:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-03-23 21:57:50,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-03-23 21:57:50,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-03-23 21:57:50,272 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 21:57:50,272 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:57:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash -877444231, now seen corresponding path program 3 times [2023-03-23 21:57:50,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:57:50,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769119787] [2023-03-23 21:57:50,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:57:50,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:57:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:57:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 56 proven. 355 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-03-23 21:57:51,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:57:51,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769119787] [2023-03-23 21:57:51,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769119787] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:57:51,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566991790] [2023-03-23 21:57:51,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:57:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:57:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:57:51,201 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:57:51,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-03-23 21:57:51,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-03-23 21:57:51,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:57:51,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 64 conjunts are in the unsatisfiable core [2023-03-23 21:57:51,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:57:52,849 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:57:52,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2023-03-23 21:57:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 244 proven. 152 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-03-23 21:57:53,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:57:56,741 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-03-23 21:57:56,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 14 [2023-03-23 21:57:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 171 proven. 184 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-03-23 21:57:56,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566991790] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:57:56,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:57:56,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 39, 36] total 91 [2023-03-23 21:57:56,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780429734] [2023-03-23 21:57:56,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:57:56,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-03-23 21:57:56,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:57:56,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-03-23 21:57:56,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=7738, Unknown=0, NotChecked=0, Total=8190 [2023-03-23 21:57:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:56,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:57:56,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 7.8901098901098905) internal successors, (718), 91 states have internal predecessors, (718), 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) [2023-03-23 21:57:56,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:57:56,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:56,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:57:56,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-03-23 21:57:56,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-03-23 21:58:15,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-03-23 21:58:15,650 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 [2023-03-23 21:58:15,650 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:58:15,651 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 [2023-03-23 21:58:15,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-03-23 21:58:15,809 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 222 known predicates. [2023-03-23 21:58:15,811 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 21:58:15,811 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 21:58:15,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 21:58:15,812 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-03-23 21:58:15,814 INFO L445 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1] [2023-03-23 21:58:15,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:58:15,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:58:15,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:58:15 BasicIcfg [2023-03-23 21:58:15,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:58:15,819 INFO L158 Benchmark]: Toolchain (without parser) took 514443.69ms. Allocated memory was 302.0MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 261.3MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 859.4MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,820 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:58:15,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.33ms. Allocated memory is still 302.0MB. Free memory was 261.3MB in the beginning and 249.6MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.73ms. Allocated memory is still 302.0MB. Free memory was 249.6MB in the beginning and 246.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,820 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 302.0MB. Free memory was 246.9MB in the beginning and 245.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,821 INFO L158 Benchmark]: RCFGBuilder took 676.70ms. Allocated memory is still 302.0MB. Free memory was 244.8MB in the beginning and 207.6MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,821 INFO L158 Benchmark]: TraceAbstraction took 513461.90ms. Allocated memory was 302.0MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 207.1MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 804.8MB. Max. memory is 8.0GB. [2023-03-23 21:58:15,822 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 186.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.33ms. Allocated memory is still 302.0MB. Free memory was 261.3MB in the beginning and 249.6MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.73ms. Allocated memory is still 302.0MB. Free memory was 249.6MB in the beginning and 246.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 302.0MB. Free memory was 246.9MB in the beginning and 245.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 676.70ms. Allocated memory is still 302.0MB. Free memory was 244.8MB in the beginning and 207.6MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 513461.90ms. Allocated memory was 302.0MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 207.1MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 804.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 81049544, independent: 73946805, independent conditional: 655965, independent unconditional: 73290840, dependent: 7102739, dependent conditional: 92842, dependent unconditional: 7009897, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74413793, independent: 73946805, independent conditional: 655965, independent unconditional: 73290840, dependent: 466988, dependent conditional: 0, dependent unconditional: 466988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 74413793, independent: 73946805, independent conditional: 655965, independent unconditional: 73290840, dependent: 466988, dependent conditional: 0, dependent unconditional: 466988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74413793, independent: 73946805, independent conditional: 0, independent unconditional: 73946805, dependent: 466988, dependent conditional: 0, dependent unconditional: 466988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74413793, independent: 73946805, independent conditional: 0, independent unconditional: 73946805, dependent: 466988, dependent conditional: 0, dependent unconditional: 466988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74413793, independent: 73946805, independent conditional: 0, independent unconditional: 73946805, dependent: 466988, dependent conditional: 0, dependent unconditional: 466988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12124, independent: 12034, independent conditional: 0, independent unconditional: 12034, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12124, independent: 11996, independent conditional: 0, independent unconditional: 11996, dependent: 128, dependent conditional: 0, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 128, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 128, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 398, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74413793, independent: 73934771, independent conditional: 0, independent unconditional: 73934771, dependent: 466898, dependent conditional: 0, dependent unconditional: 466898, unknown: 12124, unknown conditional: 0, unknown unconditional: 12124] , Statistics on independence cache: Total cache size (in pairs): 12124, Positive cache size: 12034, Positive conditional cache size: 0, Positive unconditional cache size: 12034, Negative cache size: 90, Negative conditional cache size: 0, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6635751 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 222 known predicates. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 222 known predicates. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 222 known predicates. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 222 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 273 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 513.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 140.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 757, 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: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 367.9s InterpolantComputationTime, 6200 NumberOfCodeBlocks, 5966 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 9004 ConstructedInterpolants, 444 QuantifiedInterpolants, 80469 SizeOfPredicates, 261 NumberOfNonLiveVariables, 5643 ConjunctsInSsa, 343 ConjunctsInUnsatCore, 34 InterpolantComputations, 5 PerfectInterpolantSequences, 6450/8823 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