/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 05:52:12,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 05:52:12,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 05:52:12,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 05:52:12,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 05:52:12,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 05:52:12,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 05:52:12,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 05:52:12,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 05:52:12,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 05:52:12,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 05:52:12,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 05:52:12,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 05:52:12,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 05:52:12,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 05:52:12,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 05:52:12,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 05:52:12,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 05:52:12,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 05:52:12,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 05:52:12,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 05:52:12,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 05:52:12,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 05:52:12,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 05:52:12,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 05:52:12,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 05:52:12,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 05:52:12,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 05:52:12,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 05:52:12,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 05:52:12,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 05:52:12,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 05:52:12,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 05:52:12,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 05:52:12,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 05:52:12,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 05:52:12,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 05:52:12,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 05:52:12,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 05:52:12,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 05:52:12,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 05:52:12,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 05:52:12,783 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 05:52:12,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 05:52:12,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 05:52:12,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 05:52:12,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 05:52:12,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 05:52:12,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 05:52:12,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 05:52:12,785 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 05:52:12,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 05:52:12,785 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 05:52:12,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 05:52:12,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 05:52:12,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 05:52:12,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 05:52:12,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 05:52:12,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 05:52:12,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 05:52:12,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:52:12,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 05:52:12,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 05:52:12,788 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 05:52:12,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 05:52:12,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 05:52:12,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 05:52:12,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 05:52:12,982 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 05:52:12,984 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 05:52:12,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-05-20 05:52:13,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045e01ff/9aa310345de443408f9fc4f0b1a82f17/FLAG88c3ce522 [2023-05-20 05:52:13,347 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 05:52:13,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-05-20 05:52:13,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045e01ff/9aa310345de443408f9fc4f0b1a82f17/FLAG88c3ce522 [2023-05-20 05:52:13,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045e01ff/9aa310345de443408f9fc4f0b1a82f17 [2023-05-20 05:52:13,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 05:52:13,761 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 05:52:13,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 05:52:13,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 05:52:13,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 05:52:13,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:52:13" (1/1) ... [2023-05-20 05:52:13,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aeea65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:13, skipping insertion in model container [2023-05-20 05:52:13,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:52:13" (1/1) ... [2023-05-20 05:52:13,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 05:52:13,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 05:52:13,929 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-more-queue-add-2-nl.wvr.c[2870,2883] [2023-05-20 05:52:13,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:52:13,943 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 05:52:13,988 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-more-queue-add-2-nl.wvr.c[2870,2883] [2023-05-20 05:52:13,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:52:14,002 INFO L208 MainTranslator]: Completed translation [2023-05-20 05:52:14,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14 WrapperNode [2023-05-20 05:52:14,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 05:52:14,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 05:52:14,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 05:52:14,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 05:52:14,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,038 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 163 [2023-05-20 05:52:14,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 05:52:14,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 05:52:14,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 05:52:14,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 05:52:14,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 05:52:14,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 05:52:14,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 05:52:14,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 05:52:14,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (1/1) ... [2023-05-20 05:52:14,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:52:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:14,096 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) [2023-05-20 05:52:14,101 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 [2023-05-20 05:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 05:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 05:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 05:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 05:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 05:52:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 05:52:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 05:52:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 05:52:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 05:52:14,125 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 05:52:14,195 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 05:52:14,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 05:52:14,458 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 05:52:14,527 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 05:52:14,528 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 05:52:14,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:52:14 BoogieIcfgContainer [2023-05-20 05:52:14,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 05:52:14,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 05:52:14,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 05:52:14,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 05:52:14,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:52:13" (1/3) ... [2023-05-20 05:52:14,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66803c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:52:14, skipping insertion in model container [2023-05-20 05:52:14,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:52:14" (2/3) ... [2023-05-20 05:52:14,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66803c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:52:14, skipping insertion in model container [2023-05-20 05:52:14,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:52:14" (3/3) ... [2023-05-20 05:52:14,544 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2023-05-20 05:52:14,549 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 05:52:14,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 05:52:14,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 05:52:14,556 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 05:52:14,614 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 05:52:14,644 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:52:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 05:52:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:14,647 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) [2023-05-20 05:52:14,649 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 [2023-05-20 05:52:14,672 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 05:52:14,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 05:52:14,688 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;@2c425bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:52:14,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 05:52:14,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:14,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:14,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1992821813, now seen corresponding path program 1 times [2023-05-20 05:52:14,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:14,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338200774] [2023-05-20 05:52:14,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 05:52:15,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:15,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338200774] [2023-05-20 05:52:15,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338200774] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:52:15,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:52:15,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 05:52:15,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823449023] [2023-05-20 05:52:15,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:52:15,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 05:52:15,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:15,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 05:52:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 05:52:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:15,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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) [2023-05-20 05:52:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 05:52:15,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1384525369, now seen corresponding path program 1 times [2023-05-20 05:52:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:15,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463355285] [2023-05-20 05:52:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 05:52:15,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:15,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463355285] [2023-05-20 05:52:15,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463355285] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:52:15,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:52:15,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 05:52:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692194503] [2023-05-20 05:52:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:52:15,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 05:52:15,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:15,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 05:52:15,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 05:52:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:15,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 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) [2023-05-20 05:52:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:15,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 05:52:15,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash -473222944, now seen corresponding path program 1 times [2023-05-20 05:52:15,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:15,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525607261] [2023-05-20 05:52:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 05:52:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:15,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525607261] [2023-05-20 05:52:15,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525607261] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:15,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15139883] [2023-05-20 05:52:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:15,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:15,894 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) [2023-05-20 05:52:15,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 05:52:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:15,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 05:52:15,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:16,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:52:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:16,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15139883] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:52:16,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:52:16,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 05:52:16,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382412973] [2023-05-20 05:52:16,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:52:16,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 05:52:16,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:16,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 05:52:16,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 05:52:16,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:16,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:16,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 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) [2023-05-20 05:52:16,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:16,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:16,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:16,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 05:52:16,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 05:52:16,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:16,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:16,970 INFO L85 PathProgramCache]: Analyzing trace with hash -786156455, now seen corresponding path program 2 times [2023-05-20 05:52:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:16,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959138297] [2023-05-20 05:52:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:16,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:17,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:17,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959138297] [2023-05-20 05:52:17,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959138297] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:17,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57851448] [2023-05-20 05:52:17,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:52:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:17,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:17,299 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) [2023-05-20 05:52:17,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 05:52:17,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:52:17,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:52:17,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 05:52:17,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:17,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:52:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:17,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57851448] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:52:17,959 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:52:17,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 05:52:17,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124054215] [2023-05-20 05:52:17,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:52:17,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 05:52:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:17,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 05:52:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 05:52:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:17,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:17,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.821428571428571) internal successors, (247), 28 states have internal predecessors, (247), 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) [2023-05-20 05:52:17,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:17,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:17,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:17,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:18,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 05:52:18,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:18,455 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:18,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:18,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1700788544, now seen corresponding path program 3 times [2023-05-20 05:52:18,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675058153] [2023-05-20 05:52:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:19,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:19,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675058153] [2023-05-20 05:52:19,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675058153] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:19,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575955707] [2023-05-20 05:52:19,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:52:19,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:19,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:19,737 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) [2023-05-20 05:52:19,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 05:52:20,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 05:52:20,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:52:20,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 05:52:20,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:52:20,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:52:20,355 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 [2023-05-20 05:52:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 05:52:20,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:52:20,560 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:52:20,561 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 45 treesize of output 41 [2023-05-20 05:52:20,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 05:52:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 05:52:21,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575955707] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:52:21,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:52:21,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 42 [2023-05-20 05:52:21,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870204959] [2023-05-20 05:52:21,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:52:21,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-20 05:52:21,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:21,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-20 05:52:21,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1600, Unknown=5, NotChecked=0, Total=1722 [2023-05-20 05:52:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:21,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:21,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.166666666666667) internal successors, (301), 42 states have internal predecessors, (301), 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) [2023-05-20 05:52:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:21,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:21,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:21,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:22,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 05:52:23,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:23,013 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1434222547, now seen corresponding path program 1 times [2023-05-20 05:52:23,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:23,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987547593] [2023-05-20 05:52:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:24,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:24,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987547593] [2023-05-20 05:52:24,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987547593] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:24,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291740759] [2023-05-20 05:52:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:24,680 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) [2023-05-20 05:52:24,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 05:52:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:24,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 39 conjunts are in the unsatisfiable core [2023-05-20 05:52:24,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:25,446 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 [2023-05-20 05:52:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:25,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:52:25,599 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 05:52:25,600 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 25 treesize of output 16 [2023-05-20 05:52:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:26,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291740759] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:52:26,386 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:52:26,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 20] total 57 [2023-05-20 05:52:26,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135611769] [2023-05-20 05:52:26,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:52:26,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-20 05:52:26,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-20 05:52:26,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=2454, Unknown=0, NotChecked=0, Total=3192 [2023-05-20 05:52:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:26,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:26,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.017543859649122) internal successors, (343), 57 states have internal predecessors, (343), 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) [2023-05-20 05:52:26,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:26,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:26,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:26,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:26,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:26,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:52:27,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-20 05:52:28,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:28,013 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:28,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:28,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1220658654, now seen corresponding path program 2 times [2023-05-20 05:52:28,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:28,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375150164] [2023-05-20 05:52:28,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-20 05:52:28,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:28,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375150164] [2023-05-20 05:52:28,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375150164] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:28,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86769601] [2023-05-20 05:52:28,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:52:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:28,203 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) [2023-05-20 05:52:28,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 05:52:28,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:52:28,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:52:28,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 05:52:28,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-05-20 05:52:28,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 05:52:28,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86769601] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:52:28,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 05:52:28,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-20 05:52:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482514328] [2023-05-20 05:52:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:52:28,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 05:52:28,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:28,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 05:52:28,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-20 05:52:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:28,404 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:28,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:52:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:52:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:52:28,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 05:52:28,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:28,749 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:52:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:52:28,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1720386056, now seen corresponding path program 3 times [2023-05-20 05:52:28,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:52:28,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906446094] [2023-05-20 05:52:28,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:52:28,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:52:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:52:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:52:33,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:52:33,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906446094] [2023-05-20 05:52:33,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906446094] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:52:33,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559180480] [2023-05-20 05:52:33,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:52:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:52:33,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:52:33,827 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) [2023-05-20 05:52:33,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 05:52:34,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 05:52:34,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:52:34,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-20 05:52:34,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:52:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:52:35,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-20 05:52:36,067 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:52:36,067 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 47 treesize of output 13 [2023-05-20 05:52:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 05:52:37,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:52:39,292 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (* c_~q_front~0 4))) (let ((.cse2 (+ .cse6 c_~q~0.offset 4)) (.cse3 (+ .cse6 c_~q~0.offset)) (.cse1 (+ c_~q~0.offset (* 4 c_~q_back~0)))) (and (forall ((v_ArrVal_222 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_222) c_~q~0.base))) (or (not (= (select .cse0 .cse1) 1)) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) (+ (select .cse0 .cse2) (select .cse0 .cse3)))))) (forall ((v_ArrVal_222 (Array Int Int))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_222) c_~q~0.base))) (or (not (= (select .cse4 .cse1) 1)) (< (+ (select .cse4 .cse2) (select .cse4 .cse3)) (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|))))) (or (let ((.cse5 (* 4294967295 c_~x~0))) (< (* (div (+ .cse5 c_~y~0 4294967295) 4294967296) 4294967296) (+ .cse5 c_~y~0 1))) (forall ((v_ArrVal_222 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_222) c_~q~0.base) .cse1) 1))))))) is different from false [2023-05-20 05:52:39,384 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:52:39,385 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 242 treesize of output 225 [2023-05-20 05:52:39,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:52:39,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 175 [2023-05-20 05:52:39,410 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:52:39,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 155 [2023-05-20 05:52:39,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 121 [2023-05-20 05:52:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 05:52:41,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559180480] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:52:41,545 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:52:41,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 36, 33] total 112 [2023-05-20 05:52:41,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410089358] [2023-05-20 05:52:41,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:52:41,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-05-20 05:52:41,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:52:41,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-05-20 05:52:41,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=11666, Unknown=1, NotChecked=218, Total=12432 [2023-05-20 05:52:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:41,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:52:41,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 3.5267857142857144) internal successors, (395), 112 states have internal predecessors, (395), 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) [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:52:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:53:09,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 05:53:12,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 05:53:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:53:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:53:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:53:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:53:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:53:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:53:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:53:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 05:53:12,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 05:53:12,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:53:12,965 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:53:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:53:12,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1470014490, now seen corresponding path program 4 times [2023-05-20 05:53:12,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:53:12,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630824975] [2023-05-20 05:53:12,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:53:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:53:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:53:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:53:28,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:53:28,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630824975] [2023-05-20 05:53:28,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630824975] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:53:28,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397600989] [2023-05-20 05:53:28,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:53:28,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:53:28,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:53:28,578 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) [2023-05-20 05:53:28,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 05:53:28,755 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:53:28,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:53:28,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 130 conjunts are in the unsatisfiable core [2023-05-20 05:53:28,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:53:31,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:53:31,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:53:33,527 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:53:33,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 18 [2023-05-20 05:53:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:53:34,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:53:39,896 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:53:39,896 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 380 treesize of output 386 [2023-05-20 05:53:39,937 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:53:39,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 261 treesize of output 308 [2023-05-20 05:53:39,951 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:53:39,951 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 227 treesize of output 213 [2023-05-20 05:53:39,985 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:53:39,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 213 treesize of output 260 [2023-05-20 05:53:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:53:47,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397600989] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:53:47,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:53:47,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 60, 56] total 168 [2023-05-20 05:53:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737013916] [2023-05-20 05:53:47,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:53:47,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2023-05-20 05:53:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:53:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2023-05-20 05:53:47,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1420, Invalid=26623, Unknown=13, NotChecked=0, Total=28056 [2023-05-20 05:53:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:53:47,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:53:47,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 3.005952380952381) internal successors, (505), 168 states have internal predecessors, (505), 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) [2023-05-20 05:53:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:53:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:53:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:53:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:53:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:53:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:53:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:53:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 05:53:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 05:54:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-05-20 05:54:04,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 05:54:04,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-20 05:54:04,642 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:54:04,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:54:04,643 INFO L85 PathProgramCache]: Analyzing trace with hash -860309256, now seen corresponding path program 5 times [2023-05-20 05:54:04,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:54:04,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707165176] [2023-05-20 05:54:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:54:04,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:54:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:54:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 5 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:54:16,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:54:16,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707165176] [2023-05-20 05:54:16,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707165176] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:54:16,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066449995] [2023-05-20 05:54:16,198 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:54:16,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:54:16,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:54:16,199 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) [2023-05-20 05:54:16,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 05:54:16,417 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-20 05:54:16,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:54:16,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 141 conjunts are in the unsatisfiable core [2023-05-20 05:54:16,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:54:16,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 [2023-05-20 05:54:16,589 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 05:54:16,590 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 11 treesize of output 11 [2023-05-20 05:54:17,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:54:20,543 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:54:20,543 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 92 treesize of output 22 [2023-05-20 05:54:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-20 05:54:21,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:54:29,619 INFO L356 Elim1Store]: treesize reduction 84, result has 61.3 percent of original size [2023-05-20 05:54:29,620 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 605 treesize of output 554 [2023-05-20 05:54:29,689 INFO L356 Elim1Store]: treesize reduction 84, result has 48.5 percent of original size [2023-05-20 05:54:29,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 417 treesize of output 442 [2023-05-20 05:54:29,709 INFO L356 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2023-05-20 05:54:29,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 363 treesize of output 336 [2023-05-20 05:54:29,782 INFO L356 Elim1Store]: treesize reduction 84, result has 48.5 percent of original size [2023-05-20 05:54:29,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 336 treesize of output 361 [2023-05-20 05:54:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 05:54:35,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066449995] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:54:35,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:54:35,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 57, 46] total 162 [2023-05-20 05:54:35,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417238038] [2023-05-20 05:54:35,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:54:35,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2023-05-20 05:54:35,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:54:35,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2023-05-20 05:54:35,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1091, Invalid=24975, Unknown=16, NotChecked=0, Total=26082 [2023-05-20 05:54:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:54:35,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:54:35,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 2.9691358024691357) internal successors, (481), 162 states have internal predecessors, (481), 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) [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-05-20 05:54:35,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:54:53,844 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 135 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:55:08,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:55:10,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:55:15,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:55:39,426 WARN L233 SmtUtils]: Spent 22.70s on a formula simplification. DAG size of input: 134 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:55:58,427 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 139 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:56:00,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:12,962 WARN L233 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 115 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:56:18,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:20,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:23,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:25,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:27,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:41,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:43,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:56:54,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:57:12,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 05:57:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:57:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:57:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-05-20 05:57:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2023-05-20 05:57:15,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 05:57:15,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 05:57:15,539 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 05:57:15,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:57:15,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2035470022, now seen corresponding path program 6 times [2023-05-20 05:57:15,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:57:15,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889316711] [2023-05-20 05:57:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:57:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:57:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:57:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 96 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:57:24,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:57:24,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889316711] [2023-05-20 05:57:24,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889316711] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:57:24,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103105459] [2023-05-20 05:57:24,607 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:57:24,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:57:24,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:57:24,645 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) [2023-05-20 05:57:24,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 05:57:24,956 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-20 05:57:24,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:57:24,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 236 conjunts are in the unsatisfiable core [2023-05-20 05:57:24,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:57:26,581 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 [2023-05-20 05:57:26,828 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 [2023-05-20 05:57:27,096 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 [2023-05-20 05:57:27,359 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 [2023-05-20 05:57:27,623 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 [2023-05-20 05:57:28,329 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 [2023-05-20 05:57:28,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:28,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:57:39,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:57:39,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:57:39,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:57:39,556 INFO L356 Elim1Store]: treesize reduction 190, result has 45.2 percent of original size [2023-05-20 05:57:39,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 33 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 134 treesize of output 190 [2023-05-20 05:57:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:57:42,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:58:22,749 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:58:34,864 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:58:48,428 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:59:06,152 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 05:59:24,291 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:00:51,899 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:01:30,054 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:02:06,652 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:02:44,809 WARN L233 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:03:47,443 WARN L233 SmtUtils]: Spent 14.16s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:04:31,931 WARN L233 SmtUtils]: Spent 14.13s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:05:18,451 WARN L233 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 06:05:55,715 WARN L233 SmtUtils]: Spent 22.39s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-20 06:06:03,335 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:06:03,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 06:06:03,367 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 06:06:03,367 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 06:06:03,367 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 06:06:03,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 06:06:03,539 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 242 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-5-1 term,while PolyPacSimplificationTermWalker was simplifying 19 xjuncts wrt. a ∧-2-5-1 context. [2023-05-20 06:06:03,542 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:06:03,542 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:06:03,546 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1] [2023-05-20 06:06:03,549 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:06:03,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:06:03,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:06:03 BasicIcfg [2023-05-20 06:06:03,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:06:03,552 INFO L158 Benchmark]: Toolchain (without parser) took 829790.88ms. Allocated memory was 206.6MB in the beginning and 823.1MB in the end (delta: 616.6MB). Free memory was 177.0MB in the beginning and 465.2MB in the end (delta: -288.2MB). Peak memory consumption was 561.8MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,552 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 164.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:06:03,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.60ms. Allocated memory was 206.6MB in the beginning and 274.7MB in the end (delta: 68.2MB). Free memory was 176.8MB in the beginning and 246.2MB in the end (delta: -69.5MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.58ms. Allocated memory is still 274.7MB. Free memory was 246.2MB in the beginning and 244.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,552 INFO L158 Benchmark]: Boogie Preprocessor took 25.08ms. Allocated memory is still 274.7MB. Free memory was 244.1MB in the beginning and 242.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,554 INFO L158 Benchmark]: RCFGBuilder took 464.99ms. Allocated memory is still 274.7MB. Free memory was 242.4MB in the beginning and 218.0MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,554 INFO L158 Benchmark]: TraceAbstraction took 829019.86ms. Allocated memory was 274.7MB in the beginning and 823.1MB in the end (delta: 548.4MB). Free memory was 216.5MB in the beginning and 465.2MB in the end (delta: -248.7MB). Peak memory consumption was 534.0MB. Max. memory is 8.0GB. [2023-05-20 06:06:03,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 164.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.60ms. Allocated memory was 206.6MB in the beginning and 274.7MB in the end (delta: 68.2MB). Free memory was 176.8MB in the beginning and 246.2MB in the end (delta: -69.5MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.58ms. Allocated memory is still 274.7MB. Free memory was 246.2MB in the beginning and 244.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.08ms. Allocated memory is still 274.7MB. Free memory was 244.1MB in the beginning and 242.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 464.99ms. Allocated memory is still 274.7MB. Free memory was 242.4MB in the beginning and 218.0MB in the end (delta: 24.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 829019.86ms. Allocated memory was 274.7MB in the beginning and 823.1MB in the end (delta: 548.4MB). Free memory was 216.5MB in the beginning and 465.2MB in the end (delta: -248.7MB). Peak memory consumption was 534.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2992, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 1021, dependent conditional: 1013, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 28, dependent conditional: 20, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1999, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 28, dependent conditional: 20, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 166, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 139, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 139, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 790, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 790, independent: 756, independent conditional: 0, independent unconditional: 756, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 178, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 133, dependent conditional: 96, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2165, independent: 1213, independent conditional: 0, independent unconditional: 1213, dependent: 162, dependent conditional: 115, dependent unconditional: 47, unknown: 790, unknown conditional: 24, unknown unconditional: 766] , Statistics on independence cache: Total cache size (in pairs): 790, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 32, Negative conditional cache size: 24, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27, Maximal queried relation: 9, Independence queries for same thread: 993 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 172, Number of trivial persistent sets: 130, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 884, independent: 876, independent conditional: 0, independent unconditional: 876, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2992, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 1021, dependent conditional: 1013, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1999, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 28, dependent conditional: 20, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1999, independent: 1971, independent conditional: 1095, independent unconditional: 876, dependent: 28, dependent conditional: 20, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 166, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 139, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2165, independent: 1971, independent conditional: 0, independent unconditional: 1971, dependent: 194, dependent conditional: 139, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 790, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 790, independent: 756, independent conditional: 0, independent unconditional: 756, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 178, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 133, dependent conditional: 96, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2165, independent: 1213, independent conditional: 0, independent unconditional: 1213, dependent: 162, dependent conditional: 115, dependent unconditional: 47, unknown: 790, unknown conditional: 24, unknown unconditional: 766] , Statistics on independence cache: Total cache size (in pairs): 790, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 32, Negative conditional cache size: 24, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27, Maximal queried relation: 9, Independence queries for same thread: 993 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 242 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-5-1 term,while PolyPacSimplificationTermWalker was simplifying 19 xjuncts wrt. a ∧-2-5-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 242 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-5-1 term,while PolyPacSimplificationTermWalker was simplifying 19 xjuncts wrt. a ∧-2-5-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 242 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-5-1 term,while PolyPacSimplificationTermWalker was simplifying 19 xjuncts wrt. a ∧-2-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 159 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 828.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 211.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 505, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 85.1s InterpolantComputationTime, 2774 NumberOfCodeBlocks, 2746 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3853 ConstructedInterpolants, 50 QuantifiedInterpolants, 72903 SizeOfPredicates, 198 NumberOfNonLiveVariables, 2877 ConjunctsInSsa, 435 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 666/2075 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown