/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-dec-subseq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:45:57,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:45:57,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:45:57,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:45:57,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:45:57,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:45:57,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:45:57,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:45:57,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:45:57,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:45:57,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:45:57,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:45:57,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:45:57,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:45:57,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:45:57,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:45:57,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:45:57,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:45:57,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:45:57,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:45:57,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:45:57,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:45:57,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:45:57,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:45:57,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:45:57,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:45:57,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:45:57,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:45:57,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:45:57,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:45:57,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:45:57,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:45:57,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:45:57,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:45:57,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:45:57,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:45:57,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:45:57,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:45:57,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:45:57,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:45:57,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:45:57,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:45:57,843 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:45:57,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:45:57,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:45:57,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:45:57,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:45:57,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:45:57,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:45:57,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:45:57,846 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:45:57,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:45:57,847 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:45:57,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:45:57,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:45:57,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:45:57,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:45:57,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:45:57,850 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:45:57,850 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:45:57,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:45:58,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:45:58,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:45:58,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:45:58,098 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:45:58,098 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:45:58,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-03-23 21:45:59,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:45:59,409 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:45:59,410 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-03-23 21:45:59,415 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95454de8a/5347d488a42046bba34c582f6f2cbd56/FLAG0164fefec [2023-03-23 21:45:59,427 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95454de8a/5347d488a42046bba34c582f6f2cbd56 [2023-03-23 21:45:59,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:45:59,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:45:59,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:45:59,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:45:59,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:45:59,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b007e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59, skipping insertion in model container [2023-03-23 21:45:59,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:45:59,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:45:59,637 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-dec-subseq.wvr.c[2924,2937] [2023-03-23 21:45:59,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:45:59,660 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:45:59,682 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-dec-subseq.wvr.c[2924,2937] [2023-03-23 21:45:59,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:45:59,692 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:45:59,692 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:45:59,696 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:45:59,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59 WrapperNode [2023-03-23 21:45:59,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:45:59,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:45:59,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:45:59,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:45:59,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,730 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 196 [2023-03-23 21:45:59,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:45:59,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:45:59,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:45:59,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:45:59,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,756 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:45:59,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:45:59,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:45:59,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:45:59,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (1/1) ... [2023-03-23 21:45:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:45:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:45:59,790 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 21:45:59,791 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 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:45:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:45:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:45:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:45:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:45:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:45:59,822 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 21:45:59,937 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:45:59,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:46:00,235 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:46:00,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:46:00,337 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-23 21:46:00,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:46:00 BoogieIcfgContainer [2023-03-23 21:46:00,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:46:00,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:46:00,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:46:00,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:46:00,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:45:59" (1/3) ... [2023-03-23 21:46:00,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd79342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:46:00, skipping insertion in model container [2023-03-23 21:46:00,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:45:59" (2/3) ... [2023-03-23 21:46:00,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd79342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:46:00, skipping insertion in model container [2023-03-23 21:46:00,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:46:00" (3/3) ... [2023-03-23 21:46:00,347 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2023-03-23 21:46:00,354 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:46:00,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:46:00,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:46:00,363 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:46:00,425 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 21:46:00,462 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:46:00,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:46:00,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:00,466 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 21:46:00,477 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 21:46:00,525 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:46:00,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:46:00,547 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;@34bad913, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:46:00,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 21:46:01,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:01,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:01,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1025011160, now seen corresponding path program 1 times [2023-03-23 21:46:01,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:01,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945394279] [2023-03-23 21:46:01,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:01,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:46:01,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:01,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945394279] [2023-03-23 21:46:01,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945394279] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:46:01,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:46:01,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:46:01,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112394963] [2023-03-23 21:46:01,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:46:01,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:46:01,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:01,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:46:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:46:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:01,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:01,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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 21:46:01,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:01,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:46:01,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:01,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:01,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1712884034, now seen corresponding path program 1 times [2023-03-23 21:46:01,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:01,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390780203] [2023-03-23 21:46:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:01,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:02,271 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 21:46:02,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:02,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390780203] [2023-03-23 21:46:02,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390780203] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:46:02,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:46:02,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:46:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728012680] [2023-03-23 21:46:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:46:02,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:46:02,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:46:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:46:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:02,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 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 21:46:02,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:02,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:46:02,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:02,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:02,566 INFO L85 PathProgramCache]: Analyzing trace with hash -767693205, now seen corresponding path program 1 times [2023-03-23 21:46:02,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:02,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467011585] [2023-03-23 21:46:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:02,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:02,857 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 21:46:02,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:02,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467011585] [2023-03-23 21:46:02,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467011585] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:46:02,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:46:02,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 21:46:02,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222101557] [2023-03-23 21:46:02,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:46:02,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 21:46:02,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:02,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 21:46:02,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-03-23 21:46:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:02,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 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 21:46:02,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:02,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:02,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:03,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 21:46:03,238 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:03,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:03,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1579225863, now seen corresponding path program 1 times [2023-03-23 21:46:03,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:03,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903191919] [2023-03-23 21:46:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:46:03,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:03,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903191919] [2023-03-23 21:46:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903191919] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:03,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923117931] [2023-03-23 21:46:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:03,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:03,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:03,597 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 21:46:03,625 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 21:46:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:03,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 9 conjunts are in the unsatisfiable core [2023-03-23 21:46:03,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:46:04,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 21:46:04,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923117931] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:04,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:04,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2023-03-23 21:46:04,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444740802] [2023-03-23 21:46:04,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:04,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-03-23 21:46:04,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:04,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-03-23 21:46:04,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2023-03-23 21:46:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:04,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:04,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.916666666666666) internal successors, (334), 24 states have internal predecessors, (334), 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 21:46:04,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:04,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:05,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-23 21:46:05,234 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,SelfDestructingSolverStorable3 [2023-03-23 21:46:05,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:05,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1272744096, now seen corresponding path program 2 times [2023-03-23 21:46:05,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:05,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422671284] [2023-03-23 21:46:05,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 21:46:05,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:05,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422671284] [2023-03-23 21:46:05,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422671284] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744767253] [2023-03-23 21:46:05,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:46:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:05,507 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 21:46:05,536 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 21:46:05,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-03-23 21:46:05,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:05,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-23 21:46:05,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-23 21:46:05,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-23 21:46:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744767253] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:46:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-23 21:46:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-03-23 21:46:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041678751] [2023-03-23 21:46:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:46:05,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-23 21:46:05,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:05,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-23 21:46:05,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-03-23 21:46:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:05,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 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 21:46:05,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:05,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:05,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:05,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:06,004 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 21:46:06,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:06,202 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:06,202 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:06,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1004583835, now seen corresponding path program 1 times [2023-03-23 21:46:06,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:06,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726408511] [2023-03-23 21:46:06,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:46:06,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:06,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726408511] [2023-03-23 21:46:06,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726408511] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:06,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403387504] [2023-03-23 21:46:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:06,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:06,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:06,602 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 21:46:06,628 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 21:46:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:06,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-03-23 21:46:06,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-23 21:46:06,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-23 21:46:07,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403387504] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:07,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:07,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2023-03-23 21:46:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189395907] [2023-03-23 21:46:07,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:07,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-03-23 21:46:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:07,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-03-23 21:46:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2023-03-23 21:46:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:07,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:07,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.961538461538462) internal successors, (337), 26 states have internal predecessors, (337), 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 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:07,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:08,256 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 21:46:08,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:08,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:08,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:08,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1101480575, now seen corresponding path program 2 times [2023-03-23 21:46:08,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:08,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001943947] [2023-03-23 21:46:08,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:08,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-23 21:46:08,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:08,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001943947] [2023-03-23 21:46:08,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001943947] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:08,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328892896] [2023-03-23 21:46:08,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:46:08,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:08,873 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 21:46:08,875 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 21:46:09,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:46:09,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:09,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 12 conjunts are in the unsatisfiable core [2023-03-23 21:46:09,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-23 21:46:09,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-23 21:46:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328892896] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:09,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:09,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-03-23 21:46:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555583188] [2023-03-23 21:46:09,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:09,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-03-23 21:46:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:09,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-03-23 21:46:09,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-03-23 21:46:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:09,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:09,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.928571428571429) internal successors, (278), 28 states have internal predecessors, (278), 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 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:10,203 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 21:46:10,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:10,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:10,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash -689075918, now seen corresponding path program 3 times [2023-03-23 21:46:10,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:10,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855346524] [2023-03-23 21:46:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-03-23 21:46:10,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:10,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855346524] [2023-03-23 21:46:10,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855346524] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:10,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904796199] [2023-03-23 21:46:10,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:46:10,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:10,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:10,691 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 21:46:10,719 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 21:46:11,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-03-23 21:46:11,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:11,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-23 21:46:11,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-03-23 21:46:11,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-03-23 21:46:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904796199] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:11,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-03-23 21:46:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603060755] [2023-03-23 21:46:11,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:11,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:46:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:46:11,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:46:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:11,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:11,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 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 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:11,505 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 21:46:11,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:11,705 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:11,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:11,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1767137947, now seen corresponding path program 4 times [2023-03-23 21:46:11,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:11,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817387544] [2023-03-23 21:46:11,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:11,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:12,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817387544] [2023-03-23 21:46:12,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817387544] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:12,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229920250] [2023-03-23 21:46:12,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 21:46:12,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:12,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:12,052 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 21:46:12,054 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 21:46:12,167 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 21:46:12,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:12,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 12 conjunts are in the unsatisfiable core [2023-03-23 21:46:12,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:12,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:12,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229920250] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:12,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:12,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2023-03-23 21:46:12,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673012312] [2023-03-23 21:46:12,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:12,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-03-23 21:46:12,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:12,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-03-23 21:46:12,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=816, Unknown=0, NotChecked=0, Total=992 [2023-03-23 21:46:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:12,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:12,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 12.40625) internal successors, (397), 32 states have internal predecessors, (397), 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 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:13,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-23 21:46:13,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:13,914 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:13,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1647753019, now seen corresponding path program 5 times [2023-03-23 21:46:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:13,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261784973] [2023-03-23 21:46:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:14,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:14,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261784973] [2023-03-23 21:46:14,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261784973] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:14,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746100751] [2023-03-23 21:46:14,346 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 21:46:14,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:14,347 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 21:46:14,372 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 21:46:14,497 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-03-23 21:46:14,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:14,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-23 21:46:14,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:14,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-23 21:46:15,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746100751] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:15,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:15,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-03-23 21:46:15,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505142980] [2023-03-23 21:46:15,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:15,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-03-23 21:46:15,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:15,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-03-23 21:46:15,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2023-03-23 21:46:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:15,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:15,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.567567567567568) internal successors, (317), 37 states have internal predecessors, (317), 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 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:15,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:15,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:15,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:15,982 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 21:46:16,173 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,SelfDestructingSolverStorable9 [2023-03-23 21:46:16,174 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:16,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:16,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1752806168, now seen corresponding path program 6 times [2023-03-23 21:46:16,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:16,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982067603] [2023-03-23 21:46:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:16,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 39 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-03-23 21:46:16,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:16,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982067603] [2023-03-23 21:46:16,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982067603] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:16,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159470248] [2023-03-23 21:46:16,679 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 21:46:16,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:16,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:16,680 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 21:46:16,685 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 21:46:16,933 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-03-23 21:46:16,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:16,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 40 conjunts are in the unsatisfiable core [2023-03-23 21:46:16,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:46:18,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 21:46:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:46:18,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-03-23 21:46:19,095 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-03-23 21:46:19,096 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 34 treesize of output 10 [2023-03-23 21:46:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-03-23 21:46:19,188 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:26,277 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:46:26,277 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 2664 treesize of output 2416 [2023-03-23 21:46:26,423 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:46:26,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 792 treesize of output 725 [2023-03-23 21:46:26,475 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:46:26,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 684 treesize of output 671 [2023-03-23 21:46:26,523 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:46:26,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 630 treesize of output 551 [2023-03-23 21:46:26,569 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:46:26,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 534 treesize of output 503 [2023-03-23 21:46:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-03-23 21:46:37,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159470248] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:37,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:37,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23, 23] total 54 [2023-03-23 21:46:37,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436985210] [2023-03-23 21:46:37,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:37,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-03-23 21:46:37,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:37,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-03-23 21:46:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=2582, Unknown=17, NotChecked=0, Total=2862 [2023-03-23 21:46:37,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:37,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:37,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.481481481481481) internal successors, (458), 54 states have internal predecessors, (458), 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 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-03-23 21:46:41,272 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 21:46:41,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:41,463 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:41,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:41,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1307241216, now seen corresponding path program 7 times [2023-03-23 21:46:41,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:41,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817963722] [2023-03-23 21:46:41,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:41,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 75 proven. 72 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-03-23 21:46:42,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817963722] [2023-03-23 21:46:42,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817963722] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894718030] [2023-03-23 21:46:42,002 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 21:46:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:42,003 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 21:46:42,006 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 21:46:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:42,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 18 conjunts are in the unsatisfiable core [2023-03-23 21:46:42,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 95 proven. 52 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-03-23 21:46:42,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 95 proven. 52 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-03-23 21:46:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894718030] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:43,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:43,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 51 [2023-03-23 21:46:43,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547252840] [2023-03-23 21:46:43,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:43,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-03-23 21:46:43,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:43,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-03-23 21:46:43,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=2189, Unknown=0, NotChecked=0, Total=2550 [2023-03-23 21:46:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:43,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:43,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 9.784313725490197) internal successors, (499), 51 states have internal predecessors, (499), 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 21:46:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-03-23 21:46:43,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-03-23 21:46:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-03-23 21:46:45,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-03-23 21:46:45,299 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,SelfDestructingSolverStorable11 [2023-03-23 21:46:45,300 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:45,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1614334554, now seen corresponding path program 8 times [2023-03-23 21:46:45,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056817874] [2023-03-23 21:46:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-03-23 21:46:45,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056817874] [2023-03-23 21:46:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056817874] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185394185] [2023-03-23 21:46:45,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:46:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:45,793 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 21:46:45,818 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 21:46:45,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:46:45,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:45,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 17 conjunts are in the unsatisfiable core [2023-03-23 21:46:45,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:46:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 88 proven. 14 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-03-23 21:46:46,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:46:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-03-23 21:46:46,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185394185] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:46:46,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:46:46,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 12] total 21 [2023-03-23 21:46:46,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858875815] [2023-03-23 21:46:46,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:46:46,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-03-23 21:46:46,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:46:46,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-03-23 21:46:46,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2023-03-23 21:46:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:46,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:46:46,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.904761904761905) internal successors, (355), 21 states have internal predecessors, (355), 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 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:46,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-03-23 21:46:46,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-03-23 21:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:46:47,294 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 21:46:47,489 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,SelfDestructingSolverStorable12 [2023-03-23 21:46:47,489 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:46:47,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:46:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash -949005246, now seen corresponding path program 9 times [2023-03-23 21:46:47,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:46:47,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383173772] [2023-03-23 21:46:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:46:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:46:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:46:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 54 proven. 181 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-03-23 21:46:57,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:46:57,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383173772] [2023-03-23 21:46:57,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383173772] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:46:57,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174513706] [2023-03-23 21:46:57,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:46:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:46:57,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:46:57,666 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 21:46:57,668 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 21:46:58,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-03-23 21:46:58,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:46:58,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 162 conjunts are in the unsatisfiable core [2023-03-23 21:46:58,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:47:49,967 WARN L222 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:48:07,262 WARN L222 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:48:27,075 WARN L222 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:48:46,846 WARN L222 SmtUtils]: Spent 13.45s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:48:58,622 WARN L222 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:48:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:51:58,313 WARN L222 SmtUtils]: Spent 2.98m on a formula simplification. DAG size of input: 2616 DAG size of output: 2295 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-03-23 21:51:58,328 INFO L321 Elim1Store]: treesize reduction 1115, result has 88.5 percent of original size [2023-03-23 21:51:58,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 35 select indices, 35 select index equivalence classes, 8 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 595 case distinctions, treesize of input 843 treesize of output 8808 [2023-03-23 21:52:03,454 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:08,397 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:09,087 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:09,819 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:10,310 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:11,160 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:12,033 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:12,969 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:13,955 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:14,759 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:15,524 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:16,232 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:17,286 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:17,971 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:18,667 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:19,324 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:19,900 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:20,695 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:21,443 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:22,478 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:23,047 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:23,554 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:24,064 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:24,548 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:25,224 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:25,936 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:27,117 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:27,823 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:28,671 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:29,506 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-03-23 21:52:30,652 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:31,547 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:32,527 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:33,584 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:34,488 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:35,397 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:36,061 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:36,841 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:37,786 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:38,647 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:39,722 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:40,458 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:41,039 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:41,524 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:42,211 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:52:43,051 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:43,853 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:44,928 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:45,408 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:45,966 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:46,555 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:47,035 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:52:47,761 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:48,421 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:49,192 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:49,748 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:50,393 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:52,739 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:55,227 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:55,653 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:56,159 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:52:56,780 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:59,000 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:59,445 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:52:59,968 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:00,541 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:03,059 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:03,645 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:04,266 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:04,975 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:05,834 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:06,680 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:07,316 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:08,033 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:09,010 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:09,647 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:10,339 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:11,515 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:12,116 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:12,931 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:13,721 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:53:14,823 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:15,898 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:16,552 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:17,485 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:18,261 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:18,933 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:19,674 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:20,432 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:21,136 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:21,858 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:22,873 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:23,512 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:24,099 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:24,746 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:25,287 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:25,810 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:26,432 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:28,155 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:30,214 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:30,835 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:31,624 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:32,522 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:36,558 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:40,397 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:44,091 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:44,781 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:45,456 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:46,463 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:48,296 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:49,201 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:49,799 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:51,039 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:53,193 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:53,870 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:54,443 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:55,160 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:53:55,878 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:53:56,758 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:53:57,607 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:00,919 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:02,964 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:03,818 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:04,646 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:05,518 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:06,381 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:07,002 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:07,685 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:08,469 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:09,494 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:10,355 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:11,134 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:11,958 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:12,811 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:13,785 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:54:14,912 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:15,792 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:16,433 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:16,993 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:17,609 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:18,197 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:18,805 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:21,182 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:21,742 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:22,463 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:23,023 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:25,395 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:26,004 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:26,724 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:27,275 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:29,784 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:30,405 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:31,257 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:31,952 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:32,587 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:33,381 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:34,188 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:35,076 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:35,981 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:36,778 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:37,495 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:39,936 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:40,583 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:41,376 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:42,083 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:42,913 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:43,845 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-03-23 21:54:44,916 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:45,964 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:46,872 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:47,530 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:48,388 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:49,187 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:49,977 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:50,708 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 21:54:51,613 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-03-23 21:54:52,288 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:52,819 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-03-23 21:54:53,465 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. Received shutdown request... [2023-03-23 21:54:53,994 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 21:54:53,996 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 21:54:53,997 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 21:54:53,999 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-03-23 21:54:54,001 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 21:54:54,008 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 21:54:54,203 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,SelfDestructingSolverStorable13 [2023-03-23 21:54:54,204 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 32ms.. [2023-03-23 21:54:54,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 21:54:54,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 21:54:54,207 INFO L445 BasicCegarLoop]: Path program histogram: [9, 2, 1, 1, 1] [2023-03-23 21:54:54,209 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:54:54,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:54:54,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:54:54 BasicIcfg [2023-03-23 21:54:54,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:54:54,212 INFO L158 Benchmark]: Toolchain (without parser) took 534780.54ms. Allocated memory was 290.5MB in the beginning and 897.6MB in the end (delta: 607.1MB). Free memory was 252.4MB in the beginning and 475.5MB in the end (delta: -223.1MB). Peak memory consumption was 587.4MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,212 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:54:54,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.58ms. Allocated memory is still 290.5MB. Free memory was 252.4MB in the beginning and 240.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 290.5MB. Free memory was 240.3MB in the beginning and 238.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,212 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 290.5MB. Free memory was 238.2MB in the beginning and 236.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,213 INFO L158 Benchmark]: RCFGBuilder took 579.03ms. Allocated memory is still 290.5MB. Free memory was 236.6MB in the beginning and 210.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,213 INFO L158 Benchmark]: TraceAbstraction took 533869.44ms. Allocated memory was 290.5MB in the beginning and 897.6MB in the end (delta: 607.1MB). Free memory was 210.4MB in the beginning and 475.5MB in the end (delta: -265.1MB). Peak memory consumption was 545.5MB. Max. memory is 8.0GB. [2023-03-23 21:54:54,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 264.58ms. Allocated memory is still 290.5MB. Free memory was 252.4MB in the beginning and 240.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 290.5MB. Free memory was 240.3MB in the beginning and 238.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 290.5MB. Free memory was 238.2MB in the beginning and 236.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 579.03ms. Allocated memory is still 290.5MB. Free memory was 236.6MB in the beginning and 210.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 533869.44ms. Allocated memory was 290.5MB in the beginning and 897.6MB in the end (delta: 607.1MB). Free memory was 210.4MB in the beginning and 475.5MB in the end (delta: -265.1MB). Peak memory consumption was 545.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 511296, independent: 292044, independent conditional: 2893, independent unconditional: 289151, dependent: 219252, dependent conditional: 2061, dependent unconditional: 217191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 300549, independent: 292044, independent conditional: 2893, independent unconditional: 289151, dependent: 8505, dependent conditional: 44, dependent unconditional: 8461, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 300549, independent: 292044, independent conditional: 2893, independent unconditional: 289151, dependent: 8505, dependent conditional: 44, dependent unconditional: 8461, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 300726, independent: 292044, independent conditional: 50, independent unconditional: 291994, dependent: 8682, dependent conditional: 127, dependent unconditional: 8555, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 300726, independent: 292044, independent conditional: 50, independent unconditional: 291994, dependent: 8682, dependent conditional: 94, dependent unconditional: 8588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 300726, independent: 292044, independent conditional: 50, independent unconditional: 291994, dependent: 8682, dependent conditional: 94, dependent unconditional: 8588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3831, independent: 3716, independent conditional: 24, independent unconditional: 3692, dependent: 115, dependent conditional: 21, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3831, independent: 3678, independent conditional: 0, independent unconditional: 3678, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 38, independent conditional: 24, independent unconditional: 14, dependent: 115, dependent conditional: 21, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 38, independent conditional: 24, independent unconditional: 14, dependent: 115, dependent conditional: 21, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 571, independent: 154, independent conditional: 103, independent unconditional: 51, dependent: 418, dependent conditional: 63, dependent unconditional: 355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 300726, independent: 288328, independent conditional: 26, independent unconditional: 288302, dependent: 8567, dependent conditional: 73, dependent unconditional: 8494, unknown: 3831, unknown conditional: 45, unknown unconditional: 3786] , Statistics on independence cache: Total cache size (in pairs): 3831, Positive cache size: 3716, Positive conditional cache size: 24, Positive unconditional cache size: 3692, Negative cache size: 115, Negative conditional cache size: 21, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 33, Maximal queried relation: 6, Independence queries for same thread: 210747 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 32ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 32ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 271 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 32ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 188 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 533.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 10.7s, 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: 288, 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: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 31.3s InterpolantComputationTime, 4391 NumberOfCodeBlocks, 4252 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 6192 ConstructedInterpolants, 61 QuantifiedInterpolants, 30019 SizeOfPredicates, 106 NumberOfNonLiveVariables, 4127 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 32 InterpolantComputations, 4 PerfectInterpolantSequences, 2413/3057 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