/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 03:50:28,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 03:50:28,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 03:50:28,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 03:50:28,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 03:50:28,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 03:50:28,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 03:50:28,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 03:50:28,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 03:50:28,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 03:50:28,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 03:50:28,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 03:50:28,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 03:50:28,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 03:50:28,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 03:50:28,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 03:50:28,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 03:50:28,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 03:50:28,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 03:50:28,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 03:50:28,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 03:50:28,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 03:50:28,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 03:50:28,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 03:50:28,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 03:50:28,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 03:50:28,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 03:50:28,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 03:50:28,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 03:50:28,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 03:50:28,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 03:50:28,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 03:50:28,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 03:50:28,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 03:50:28,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 03:50:28,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 03:50:28,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 03:50:28,783 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 03:50:28,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 03:50:28,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 03:50:28,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 03:50:28,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 03:50:28,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 03:50:28,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 03:50:28,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 03:50:28,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 03:50:28,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:50:28,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 03:50:28,786 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 03:50:28,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 03:50:28,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 03:50:29,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 03:50:29,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 03:50:29,007 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 03:50:29,008 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 03:50:29,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2023-05-04 03:50:29,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fbdec75/e5373fad530443d4a14765f452e262f4/FLAG1a35dca79 [2023-05-04 03:50:29,442 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 03:50:29,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2023-05-04 03:50:29,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fbdec75/e5373fad530443d4a14765f452e262f4/FLAG1a35dca79 [2023-05-04 03:50:29,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73fbdec75/e5373fad530443d4a14765f452e262f4 [2023-05-04 03:50:29,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 03:50:29,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 03:50:29,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 03:50:29,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 03:50:29,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 03:50:29,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ac553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29, skipping insertion in model container [2023-05-04 03:50:29,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 03:50:29,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 03:50:29,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2650,2663] [2023-05-04 03:50:29,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:50:29,657 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 03:50:29,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2650,2663] [2023-05-04 03:50:29,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:50:29,691 INFO L208 MainTranslator]: Completed translation [2023-05-04 03:50:29,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29 WrapperNode [2023-05-04 03:50:29,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 03:50:29,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 03:50:29,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 03:50:29,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 03:50:29,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,730 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 142 [2023-05-04 03:50:29,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 03:50:29,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 03:50:29,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 03:50:29,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 03:50:29,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 03:50:29,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 03:50:29,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 03:50:29,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 03:50:29,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (1/1) ... [2023-05-04 03:50:29,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:50:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:29,799 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) [2023-05-04 03:50:29,801 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 [2023-05-04 03:50:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 03:50:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 03:50:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 03:50:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 03:50:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 03:50:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 03:50:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 03:50:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 03:50:29,829 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 03:50:29,899 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 03:50:29,901 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 03:50:30,144 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 03:50:30,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 03:50:30,215 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 03:50:30,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:50:30 BoogieIcfgContainer [2023-05-04 03:50:30,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 03:50:30,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 03:50:30,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 03:50:30,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 03:50:30,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:50:29" (1/3) ... [2023-05-04 03:50:30,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:50:30, skipping insertion in model container [2023-05-04 03:50:30,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:50:29" (2/3) ... [2023-05-04 03:50:30,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:50:30, skipping insertion in model container [2023-05-04 03:50:30,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:50:30" (3/3) ... [2023-05-04 03:50:30,223 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2023-05-04 03:50:30,228 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 03:50:30,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 03:50:30,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 03:50:30,235 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 03:50:30,283 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 03:50:30,316 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:50:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 03:50:30,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:30,318 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) [2023-05-04 03:50:30,352 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 [2023-05-04 03:50:30,371 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 03:50:30,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 03:50:30,421 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;@50128243, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:50:30,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 03:50:30,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:30,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:30,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2134147457, now seen corresponding path program 1 times [2023-05-04 03:50:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:30,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806349369] [2023-05-04 03:50:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:30,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:30,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:30,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806349369] [2023-05-04 03:50:30,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806349369] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:50:30,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:50:30,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 03:50:30,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311491265] [2023-05-04 03:50:30,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:50:30,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 03:50:30,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:30,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 03:50:30,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 03:50:30,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:30,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:30,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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) [2023-05-04 03:50:30,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:30,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 03:50:30,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash -348716447, now seen corresponding path program 1 times [2023-05-04 03:50:30,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:30,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624790171] [2023-05-04 03:50:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:31,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:31,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624790171] [2023-05-04 03:50:31,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624790171] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:50:31,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:50:31,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 03:50:31,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710312461] [2023-05-04 03:50:31,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:50:31,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 03:50:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:31,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 03:50:31,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 03:50:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:31,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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) [2023-05-04 03:50:31,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:31,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 03:50:31,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:31,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1901338860, now seen corresponding path program 1 times [2023-05-04 03:50:31,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:31,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584440231] [2023-05-04 03:50:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:31,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:31,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584440231] [2023-05-04 03:50:31,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584440231] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:50:31,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:50:31,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 03:50:31,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314276424] [2023-05-04 03:50:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:50:31,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 03:50:31,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 03:50:31,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 03:50:31,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:31,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2023-05-04 03:50:31,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:31,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:31,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 03:50:31,708 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:31,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash 816291428, now seen corresponding path program 1 times [2023-05-04 03:50:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:31,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263157847] [2023-05-04 03:50:31,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:31,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:31,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:31,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263157847] [2023-05-04 03:50:31,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263157847] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:50:31,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:50:31,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 03:50:31,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307662416] [2023-05-04 03:50:31,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:50:31,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 03:50:31,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:31,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 03:50:31,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-05-04 03:50:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:31,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:50:31,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:31,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:31,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:31,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:32,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 03:50:32,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:32,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1106654543, now seen corresponding path program 1 times [2023-05-04 03:50:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:32,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459201574] [2023-05-04 03:50:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:33,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:33,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459201574] [2023-05-04 03:50:33,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459201574] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:50:33,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166475183] [2023-05-04 03:50:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:33,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:33,262 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) [2023-05-04 03:50:33,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 03:50:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:33,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 56 conjunts are in the unsatisfiable core [2023-05-04 03:50:33,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:50:34,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 03:50:34,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:50:34,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:50:34,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 03:50:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:34,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:50:35,279 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse1 (+ c_~queue~0.offset (* c_~back~0 4))) (.cse2 (+ c_~queue~0.offset (* c_~front~0 4)))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~queue~0.base))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~queue~0.base))) (or (not (= (select .cse3 .cse1) 1)) (not (< 1 (+ c_~sum~0 (select .cse3 .cse2))))))))) (<= c_~n~0 c_~front~0) (< c_~front~0 0)) is different from false [2023-05-04 03:50:35,437 WARN L833 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (let ((.cse1 (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse2 (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse0 .cse1) 1)) (not (< 1 (+ (select .cse0 .cse2) c_~sum~0)))))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse3 .cse1) 1)) (not (< (+ (select .cse3 .cse2) c_~sum~0) 0))))))) (< c_~front~0 0)) is different from false [2023-05-04 03:50:35,550 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse1 (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse3 .cse1) 1)) (not (< 1 (+ c_~sum~0 (select .cse3 .cse2))))))))) (<= c_~n~0 c_~front~0) (< |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< c_~front~0 0)) is different from false [2023-05-04 03:50:35,680 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse1 (+ (* c_~back~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (+ (* c_~front~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse3 .cse1) 1)) (not (< 1 (+ c_~sum~0 (select .cse3 .cse2))))))))) (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (<= c_~n~0 c_~front~0) (< c_~front~0 0)) is different from false [2023-05-04 03:50:35,714 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:35,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 51 [2023-05-04 03:50:35,723 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:35,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 325 treesize of output 305 [2023-05-04 03:50:35,732 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:35,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 293 treesize of output 281 [2023-05-04 03:50:35,741 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:35,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 233 [2023-05-04 03:50:35,883 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:35,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 51 [2023-05-04 03:50:35,894 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-04 03:50:35,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 153 treesize of output 141 [2023-05-04 03:50:35,902 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-04 03:50:35,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 137 treesize of output 117 [2023-05-04 03:50:35,911 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-04 03:50:35,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 113 treesize of output 105 [2023-05-04 03:50:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-05-04 03:50:36,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166475183] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:50:36,725 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:50:36,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 27, 23] total 63 [2023-05-04 03:50:36,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079779124] [2023-05-04 03:50:36,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:50:36,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-04 03:50:36,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:36,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-04 03:50:36,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=2868, Unknown=37, NotChecked=468, Total=3906 [2023-05-04 03:50:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:36,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:36,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.444444444444445) internal successors, (280), 63 states have internal predecessors, (280), 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) [2023-05-04 03:50:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:39,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 03:50:39,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:39,474 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:39,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:39,474 INFO L85 PathProgramCache]: Analyzing trace with hash 391583609, now seen corresponding path program 2 times [2023-05-04 03:50:39,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:39,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772599858] [2023-05-04 03:50:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 03:50:39,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:39,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772599858] [2023-05-04 03:50:39,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772599858] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:50:39,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072199947] [2023-05-04 03:50:39,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:50:39,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:39,604 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) [2023-05-04 03:50:39,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 03:50:39,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:50:39,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:50:39,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 03:50:39,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:50:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 03:50:39,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:50:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 03:50:39,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072199947] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:50:39,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:50:39,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 8 [2023-05-04 03:50:39,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004993860] [2023-05-04 03:50:39,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:50:39,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 03:50:39,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:39,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 03:50:39,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-05-04 03:50:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:39,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:39,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 8 states have internal predecessors, (184), 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) [2023-05-04 03:50:39,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:39,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:39,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:39,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:39,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:39,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:40,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 03:50:40,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:40,273 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:40,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:40,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1434556063, now seen corresponding path program 3 times [2023-05-04 03:50:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:40,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188026728] [2023-05-04 03:50:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 03:50:40,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:40,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188026728] [2023-05-04 03:50:40,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188026728] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:50:40,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:50:40,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 03:50:40,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011093485] [2023-05-04 03:50:40,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:50:40,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 03:50:40,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:40,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 03:50:40,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 03:50:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:40,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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) [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:40,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:40,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:40,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 03:50:40,492 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:40,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash -730138239, now seen corresponding path program 1 times [2023-05-04 03:50:40,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:40,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383325752] [2023-05-04 03:50:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:40,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:41,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383325752] [2023-05-04 03:50:41,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383325752] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:50:41,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628632198] [2023-05-04 03:50:41,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:41,723 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) [2023-05-04 03:50:41,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 03:50:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:41,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 61 conjunts are in the unsatisfiable core [2023-05-04 03:50:41,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:50:42,838 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:42,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 14 [2023-05-04 03:50:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:42,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:50:43,273 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:43,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 78 [2023-05-04 03:50:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:44,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628632198] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:50:44,359 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:50:44,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 20] total 57 [2023-05-04 03:50:44,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099154012] [2023-05-04 03:50:44,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:50:44,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-04 03:50:44,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:44,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-04 03:50:44,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=2714, Unknown=0, NotChecked=0, Total=3192 [2023-05-04 03:50:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:44,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:44,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.859649122807017) internal successors, (334), 57 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) [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:44,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:46,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:50:46,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 03:50:46,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:46,880 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:46,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:46,880 INFO L85 PathProgramCache]: Analyzing trace with hash 934325393, now seen corresponding path program 2 times [2023-05-04 03:50:46,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:46,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146048842] [2023-05-04 03:50:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 03:50:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:47,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146048842] [2023-05-04 03:50:47,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146048842] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:50:47,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292924029] [2023-05-04 03:50:47,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:50:47,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:47,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:47,006 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) [2023-05-04 03:50:47,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 03:50:47,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:50:47,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:50:47,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 03:50:47,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:50:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 03:50:47,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:50:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 03:50:47,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292924029] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:50:47,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:50:47,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7] total 10 [2023-05-04 03:50:47,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943327744] [2023-05-04 03:50:47,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:50:47,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 03:50:47,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:47,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 03:50:47,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-05-04 03:50:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:47,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:47,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.8) internal successors, (208), 10 states have internal predecessors, (208), 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) [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:50:47,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:50:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:47,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 03:50:47,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:47,749 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:50:47,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:50:47,749 INFO L85 PathProgramCache]: Analyzing trace with hash 55499311, now seen corresponding path program 3 times [2023-05-04 03:50:47,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:50:47,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581497770] [2023-05-04 03:50:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:50:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:50:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:50:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:49,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:50:49,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581497770] [2023-05-04 03:50:49,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581497770] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:50:49,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213392104] [2023-05-04 03:50:49,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:50:49,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:50:49,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:50:49,334 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) [2023-05-04 03:50:49,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 03:50:49,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 03:50:49,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:50:49,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-04 03:50:49,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:50:50,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 03:50:50,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:50:50,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:50:51,194 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:51,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 18 [2023-05-04 03:50:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:51,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:50:53,624 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:53,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 123 [2023-05-04 03:50:53,681 INFO L356 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2023-05-04 03:50:53,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 381 treesize of output 407 [2023-05-04 03:50:53,741 INFO L356 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2023-05-04 03:50:53,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 329 treesize of output 327 [2023-05-04 03:50:53,793 INFO L356 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2023-05-04 03:50:53,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 249 treesize of output 287 [2023-05-04 03:50:56,289 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:50:56,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 123 [2023-05-04 03:50:56,327 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:50:56,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 801 treesize of output 709 [2023-05-04 03:50:56,368 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:50:56,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 697 treesize of output 629 [2023-05-04 03:50:56,404 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:50:56,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 617 treesize of output 469 [2023-05-04 03:50:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:50:57,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213392104] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:50:57,543 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:50:57,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 28] total 79 [2023-05-04 03:50:57,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124500469] [2023-05-04 03:50:57,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:50:57,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-05-04 03:50:57,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:50:57,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-05-04 03:50:57,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1235, Invalid=4874, Unknown=53, NotChecked=0, Total=6162 [2023-05-04 03:50:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:57,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:50:57,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.139240506329114) internal successors, (406), 79 states have internal predecessors, (406), 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) [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:50:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 03:51:01,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 03:51:01,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:01,336 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:01,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:01,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1163452199, now seen corresponding path program 4 times [2023-05-04 03:51:01,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:01,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018493677] [2023-05-04 03:51:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 03:51:01,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:01,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018493677] [2023-05-04 03:51:01,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018493677] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:01,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363122808] [2023-05-04 03:51:01,481 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 03:51:01,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:01,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:01,482 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) [2023-05-04 03:51:01,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 03:51:01,554 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 03:51:01,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:01,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 03:51:01,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 38 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 03:51:01,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 03:51:01,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363122808] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:01,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:01,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 14 [2023-05-04 03:51:01,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740376846] [2023-05-04 03:51:01,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:01,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 03:51:01,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:01,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 03:51:01,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2023-05-04 03:51:01,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:01,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:01,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.142857142857142) internal successors, (240), 14 states have internal predecessors, (240), 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) [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 03:51:01,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:02,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 03:51:02,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:02,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2098926976, now seen corresponding path program 5 times [2023-05-04 03:51:02,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:02,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614709196] [2023-05-04 03:51:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 80 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:51:02,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:02,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614709196] [2023-05-04 03:51:02,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614709196] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:02,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395264584] [2023-05-04 03:51:02,916 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 03:51:02,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:02,917 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) [2023-05-04 03:51:02,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 03:51:03,016 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 03:51:03,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:03,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 03:51:03,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:51:03,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 80 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:51:04,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395264584] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:04,464 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:04,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 56 [2023-05-04 03:51:04,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908839330] [2023-05-04 03:51:04,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:04,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-04 03:51:04,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:04,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-04 03:51:04,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=527, Invalid=2553, Unknown=0, NotChecked=0, Total=3080 [2023-05-04 03:51:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:04,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:04,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.517857142857143) internal successors, (421), 56 states have internal predecessors, (421), 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) [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:04,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:05,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:05,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 03:51:05,548 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,SelfDestructingSolverStorable11 [2023-05-04 03:51:05,548 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:05,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1254928939, now seen corresponding path program 6 times [2023-05-04 03:51:05,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:05,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223698798] [2023-05-04 03:51:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:05,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 1 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:51:08,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:08,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223698798] [2023-05-04 03:51:08,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223698798] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:08,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068782190] [2023-05-04 03:51:08,580 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 03:51:08,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:08,581 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) [2023-05-04 03:51:08,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 03:51:08,828 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-04 03:51:08,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:08,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-04 03:51:08,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:09,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-04 03:51:09,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:51:09,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:51:10,369 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:10,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 70 treesize of output 18 [2023-05-04 03:51:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 03:51:10,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:11,458 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~back~0 4)) (.cse2 (* c_~front~0 4))) (and (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) c_~queue~0.base))) (or (not (= (select .cse0 (+ .cse1 ~queue~0.offset)) 1)) (not (= (select .cse0 (+ .cse1 ~queue~0.offset 8)) 1)) (not (= 0 (+ (select .cse0 (+ .cse1 ~queue~0.offset 4)) 1))) (not (< 1 (+ c_~sum~0 (select .cse0 (+ .cse2 ~queue~0.offset 8)) (select .cse0 (+ .cse2 ~queue~0.offset)) (select .cse0 (+ .cse2 ~queue~0.offset 4)))))))) (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) c_~queue~0.base))) (or (not (= (select .cse3 (+ .cse1 ~queue~0.offset)) 1)) (not (= (select .cse3 (+ .cse1 ~queue~0.offset 8)) 1)) (not (= 0 (+ (select .cse3 (+ .cse1 ~queue~0.offset 4)) 1))) (not (< (+ c_~sum~0 (select .cse3 (+ .cse2 ~queue~0.offset 8)) (select .cse3 (+ .cse2 ~queue~0.offset)) (select .cse3 (+ .cse2 ~queue~0.offset 4))) 0))))))) is different from false [2023-05-04 03:51:11,804 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~front~0 4)) (.cse2 (* c_~back~0 4))) (and (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (< 1 (+ c_~sum~0 (select .cse0 (+ .cse1 ~queue~0.offset 4)) (select .cse0 (+ .cse1 ~queue~0.offset 8)) (select .cse0 (+ .cse1 ~queue~0.offset))))) (not (= (+ (select .cse0 (+ .cse2 ~queue~0.offset 4)) 1) 0)) (not (= (select .cse0 (+ .cse2 ~queue~0.offset)) 1)) (not (= (select .cse0 (+ .cse2 ~queue~0.offset 8)) 1))))) (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (< (+ c_~sum~0 (select .cse3 (+ .cse1 ~queue~0.offset 4)) (select .cse3 (+ .cse1 ~queue~0.offset 8)) (select .cse3 (+ .cse1 ~queue~0.offset))) 0)) (not (= (+ (select .cse3 (+ .cse2 ~queue~0.offset 4)) 1) 0)) (not (= (select .cse3 (+ .cse2 ~queue~0.offset)) 1)) (not (= (select .cse3 (+ .cse2 ~queue~0.offset 8)) 1))))))) is different from false [2023-05-04 03:51:11,828 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~back~0 4)) (.cse2 (* c_~front~0 4))) (and (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse0 (+ .cse1 ~queue~0.offset)) 1)) (not (< 1 (+ (select .cse0 (+ .cse2 ~queue~0.offset)) c_~sum~0 (select .cse0 (+ .cse2 ~queue~0.offset 4)) (select .cse0 (+ .cse2 ~queue~0.offset 8))))) (not (= 0 (+ (select .cse0 (+ .cse1 ~queue~0.offset 4)) 1))) (not (= (select .cse0 (+ .cse1 ~queue~0.offset 8)) 1))))) (forall ((~queue~0.offset Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_322) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse3 (+ .cse1 ~queue~0.offset)) 1)) (not (= 0 (+ (select .cse3 (+ .cse1 ~queue~0.offset 4)) 1))) (not (= (select .cse3 (+ .cse1 ~queue~0.offset 8)) 1)) (not (< (+ (select .cse3 (+ .cse2 ~queue~0.offset)) c_~sum~0 (select .cse3 (+ .cse2 ~queue~0.offset 4)) (select .cse3 (+ .cse2 ~queue~0.offset 8))) 0))))))) is different from false [2023-05-04 03:51:11,937 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:11,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 123 [2023-05-04 03:51:11,973 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:11,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 801 treesize of output 817 [2023-05-04 03:51:12,012 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:12,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 697 treesize of output 737 [2023-05-04 03:51:12,087 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:12,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 617 treesize of output 577 [2023-05-04 03:51:15,197 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:15,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 123 [2023-05-04 03:51:15,228 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:51:15,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 381 treesize of output 341 [2023-05-04 03:51:15,258 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:51:15,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 329 treesize of output 261 [2023-05-04 03:51:15,285 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-04 03:51:15,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 249 treesize of output 221 [2023-05-04 03:51:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 23 proven. 96 refuted. 0 times theorem prover too weak. 56 trivial. 21 not checked. [2023-05-04 03:51:15,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068782190] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:15,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:15,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 28, 18] total 79 [2023-05-04 03:51:15,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577969173] [2023-05-04 03:51:15,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:15,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-05-04 03:51:15,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:15,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-05-04 03:51:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=5108, Unknown=25, NotChecked=450, Total=6162 [2023-05-04 03:51:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:15,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:15,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.139240506329114) internal successors, (485), 79 states have internal predecessors, (485), 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) [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:15,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:22,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 03:51:22,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-04 03:51:22,597 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:22,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1298008273, now seen corresponding path program 7 times [2023-05-04 03:51:22,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:22,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767325948] [2023-05-04 03:51:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:22,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-05-04 03:51:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:23,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767325948] [2023-05-04 03:51:23,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767325948] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:23,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304062787] [2023-05-04 03:51:23,416 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 03:51:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:23,417 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) [2023-05-04 03:51:23,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 03:51:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:23,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 101 conjunts are in the unsatisfiable core [2023-05-04 03:51:23,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:25,141 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:25,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 24 [2023-05-04 03:51:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:51:25,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:26,377 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:26,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 254 [2023-05-04 03:51:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 1 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:51:28,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304062787] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:28,514 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:28,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 36, 35] total 75 [2023-05-04 03:51:28,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463977863] [2023-05-04 03:51:28,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:28,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-05-04 03:51:28,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-05-04 03:51:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1076, Invalid=4474, Unknown=0, NotChecked=0, Total=5550 [2023-05-04 03:51:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:28,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:28,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.6) internal successors, (495), 75 states have internal predecessors, (495), 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) [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-04 03:51:35,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 03:51:35,638 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,SelfDestructingSolverStorable13 [2023-05-04 03:51:35,639 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1855470059, now seen corresponding path program 8 times [2023-05-04 03:51:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:35,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974494310] [2023-05-04 03:51:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 73 proven. 68 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-04 03:51:35,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:35,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974494310] [2023-05-04 03:51:35,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974494310] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:35,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243323950] [2023-05-04 03:51:35,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:51:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:35,812 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) [2023-05-04 03:51:35,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 03:51:35,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:51:35,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:35,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 03:51:35,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 73 proven. 68 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-04 03:51:36,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 63 proven. 80 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 03:51:36,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243323950] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:36,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:36,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 11] total 16 [2023-05-04 03:51:36,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052155206] [2023-05-04 03:51:36,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:36,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 03:51:36,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:36,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 03:51:36,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2023-05-04 03:51:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:36,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:36,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 16.9375) internal successors, (271), 16 states have internal predecessors, (271), 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) [2023-05-04 03:51:36,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:36,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:36,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:36,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-04 03:51:36,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-04 03:51:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:36,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 03:51:36,882 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,SelfDestructingSolverStorable14 [2023-05-04 03:51:36,882 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1982975957, now seen corresponding path program 9 times [2023-05-04 03:51:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:36,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47475310] [2023-05-04 03:51:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:51:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:41,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47475310] [2023-05-04 03:51:41,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47475310] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:41,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595526878] [2023-05-04 03:51:41,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:51:41,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:41,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:41,031 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) [2023-05-04 03:51:41,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 03:51:41,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 03:51:41,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:41,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-04 03:51:41,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:51:42,539 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:42,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 116 treesize of output 28 [2023-05-04 03:51:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 139 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-05-04 03:51:42,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:51:43,648 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:51:43,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 178 treesize of output 386 [2023-05-04 03:51:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 03:51:44,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595526878] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:51:44,295 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:51:44,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 17, 16] total 65 [2023-05-04 03:51:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762259360] [2023-05-04 03:51:44,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:51:44,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 03:51:44,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:51:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 03:51:44,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=420, Invalid=3740, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 03:51:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:44,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:51:44,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.3076923076923075) internal successors, (475), 65 states have internal predecessors, (475), 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) [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:51:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:44,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:51:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:51:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-04 03:51:52,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 03:51:52,629 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,SelfDestructingSolverStorable15 [2023-05-04 03:51:52,629 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:51:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:51:52,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1513477395, now seen corresponding path program 10 times [2023-05-04 03:51:52,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:51:52,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652049454] [2023-05-04 03:51:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:51:52,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:51:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:51:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 2 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:51:58,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:51:58,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652049454] [2023-05-04 03:51:58,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652049454] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:51:58,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17183910] [2023-05-04 03:51:58,928 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 03:51:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:51:58,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:51:58,929 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:51:58,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 03:51:59,072 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 03:51:59,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:51:59,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 122 conjunts are in the unsatisfiable core [2023-05-04 03:51:59,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:52:02,015 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:52:02,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 140 treesize of output 34 [2023-05-04 03:52:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 12 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:52:02,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:52:04,525 INFO L356 Elim1Store]: treesize reduction 42, result has 91.5 percent of original size [2023-05-04 03:52:04,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 213 treesize of output 504 [2023-05-04 03:52:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 2 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:52:07,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17183910] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:52:07,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:52:07,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 40, 40] total 114 [2023-05-04 03:52:07,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864114477] [2023-05-04 03:52:07,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:52:07,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-04 03:52:07,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:52:07,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-04 03:52:07,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2074, Invalid=10808, Unknown=0, NotChecked=0, Total=12882 [2023-05-04 03:52:07,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:07,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:52:07,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 5.350877192982456) internal successors, (610), 114 states have internal predecessors, (610), 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) [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-04 03:52:07,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:52:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-04 03:52:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-04 03:52:15,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 03:52:16,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 03:52:16,132 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:52:16,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:52:16,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1955887469, now seen corresponding path program 11 times [2023-05-04 03:52:16,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:52:16,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858367011] [2023-05-04 03:52:16,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:52:16,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:52:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:52:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:52:25,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:52:25,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858367011] [2023-05-04 03:52:25,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858367011] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:52:25,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219552877] [2023-05-04 03:52:25,870 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 03:52:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:52:25,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:52:25,871 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:52:25,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 03:52:26,086 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-04 03:52:26,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:52:26,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 126 conjunts are in the unsatisfiable core [2023-05-04 03:52:26,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:52:29,266 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:52:29,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 162 treesize of output 38 [2023-05-04 03:52:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 12 proven. 543 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:52:29,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:52:31,988 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:52:31,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 246 treesize of output 732 [2023-05-04 03:52:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 16 proven. 280 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-05-04 03:52:33,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219552877] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:52:33,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:52:33,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 40, 23] total 108 [2023-05-04 03:52:33,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088075300] [2023-05-04 03:52:33,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:52:33,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-05-04 03:52:33,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:52:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-05-04 03:52:33,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=936, Invalid=10620, Unknown=0, NotChecked=0, Total=11556 [2023-05-04 03:52:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:33,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:52:33,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.953703703703703) internal successors, (643), 108 states have internal predecessors, (643), 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) [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-04 03:52:33,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:52:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-04 03:52:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2023-05-04 03:52:53,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 03:52:53,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:52:53,317 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:52:53,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:52:53,317 INFO L85 PathProgramCache]: Analyzing trace with hash 197340723, now seen corresponding path program 12 times [2023-05-04 03:52:53,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:52:53,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841334148] [2023-05-04 03:52:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:52:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:52:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:53:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:53:01,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:53:01,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841334148] [2023-05-04 03:53:01,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841334148] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:53:01,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472920903] [2023-05-04 03:53:01,820 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 03:53:01,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:53:01,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:53:01,821 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:53:01,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 03:53:02,425 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-04 03:53:02,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:53:02,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 155 conjunts are in the unsatisfiable core [2023-05-04 03:53:02,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:53:04,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 03:53:04,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:53:04,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:53:06,815 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:53:06,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 186 treesize of output 44 [2023-05-04 03:53:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 10 proven. 707 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:53:06,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:53:14,618 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:53:14,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 484 treesize of output 304 [2023-05-04 03:53:15,215 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:53:15,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 1999 treesize of output 2595 [2023-05-04 03:53:15,799 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:53:15,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 1715 treesize of output 2155 [2023-05-04 03:53:16,413 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:53:16,414 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 1275 treesize of output 1935 [2023-05-04 03:55:37,869 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-04 03:55:37,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-04 03:55:38,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:55:38,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-04 03:55:38,074 INFO L158 Benchmark]: Toolchain (without parser) took 308604.34ms. Allocated memory was 221.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 191.0MB in the beginning and 649.9MB in the end (delta: -458.9MB). Peak memory consumption was 882.7MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,074 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 221.2MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 03:55:38,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.18ms. Allocated memory is still 221.2MB. Free memory was 190.8MB in the beginning and 193.6MB in the end (delta: -2.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.33ms. Allocated memory is still 221.2MB. Free memory was 193.6MB in the beginning and 191.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,074 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 221.2MB. Free memory was 191.6MB in the beginning and 190.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,075 INFO L158 Benchmark]: RCFGBuilder took 454.89ms. Allocated memory is still 221.2MB. Free memory was 189.9MB in the beginning and 168.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,075 INFO L158 Benchmark]: TraceAbstraction took 307855.28ms. Allocated memory was 221.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 167.6MB in the beginning and 649.9MB in the end (delta: -482.3MB). Peak memory consumption was 860.8MB. Max. memory is 8.0GB. [2023-05-04 03:55:38,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 221.2MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.18ms. Allocated memory is still 221.2MB. Free memory was 190.8MB in the beginning and 193.6MB in the end (delta: -2.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.33ms. Allocated memory is still 221.2MB. Free memory was 193.6MB in the beginning and 191.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 221.2MB. Free memory was 191.6MB in the beginning and 190.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 454.89ms. Allocated memory is still 221.2MB. Free memory was 189.9MB in the beginning and 168.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 307855.28ms. Allocated memory was 221.2MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 167.6MB in the beginning and 649.9MB in the end (delta: -482.3MB). Peak memory consumption was 860.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 03:55:38,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 03:55:38,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...