/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 03:01:20,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 03:01:20,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 03:01:20,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 03:01:20,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 03:01:20,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 03:01:20,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 03:01:20,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 03:01:20,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 03:01:20,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 03:01:20,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 03:01:20,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 03:01:20,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 03:01:20,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 03:01:20,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 03:01:20,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 03:01:20,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 03:01:20,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 03:01:20,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 03:01:20,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 03:01:20,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 03:01:20,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 03:01:20,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 03:01:20,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 03:01:20,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 03:01:20,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 03:01:20,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 03:01:20,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 03:01:20,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 03:01:20,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 03:01:20,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 03:01:20,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 03:01:20,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 03:01:20,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 03:01:20,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 03:01:20,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 03:01:20,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 03:01:20,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 03:01:20,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 03:01:20,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 03:01:20,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 03:01:20,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 03:01:20,607 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 03:01:20,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 03:01:20,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 03:01:20,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 03:01:20,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 03:01:20,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 03:01:20,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 03:01:20,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 03:01:20,610 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 03:01:20,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 03:01:20,610 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 03:01:20,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 03:01:20,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 03:01:20,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 03:01:20,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 03:01:20,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 03:01:20,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 03:01:20,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 03:01:20,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 03:01:20,613 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 03:01:20,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 03:01:20,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 03:01:20,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 03:01:20,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 03:01:20,816 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 03:01:20,818 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 03:01:20,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-05-20 03:01:20,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4956cd98/98c4176524cb4157b25f7c19e4030ae0/FLAGd2fbd49d7 [2023-05-20 03:01:21,332 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 03:01:21,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-05-20 03:01:21,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4956cd98/98c4176524cb4157b25f7c19e4030ae0/FLAGd2fbd49d7 [2023-05-20 03:01:21,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4956cd98/98c4176524cb4157b25f7c19e4030ae0 [2023-05-20 03:01:21,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 03:01:21,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 03:01:21,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 03:01:21,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 03:01:21,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 03:01:21,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f97fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21, skipping insertion in model container [2023-05-20 03:01:21,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 03:01:21,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 03:01:21,539 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-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2023-05-20 03:01:21,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 03:01:21,550 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 03:01:21,575 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-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2023-05-20 03:01:21,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 03:01:21,586 INFO L208 MainTranslator]: Completed translation [2023-05-20 03:01:21,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21 WrapperNode [2023-05-20 03:01:21,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 03:01:21,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 03:01:21,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 03:01:21,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 03:01:21,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,625 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2023-05-20 03:01:21,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 03:01:21,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 03:01:21,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 03:01:21,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 03:01:21,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 03:01:21,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 03:01:21,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 03:01:21,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 03:01:21,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (1/1) ... [2023-05-20 03:01:21,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 03:01:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:21,675 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 03:01:21,705 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 03:01:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 03:01:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 03:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 03:01:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 03:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 03:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 03:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 03:01:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 03:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 03:01:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 03:01:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 03:01:21,729 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 03:01:21,789 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 03:01:21,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 03:01:22,042 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 03:01:22,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 03:01:22,089 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 03:01:22,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:01:22 BoogieIcfgContainer [2023-05-20 03:01:22,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 03:01:22,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 03:01:22,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 03:01:22,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 03:01:22,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 03:01:21" (1/3) ... [2023-05-20 03:01:22,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b96b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:01:22, skipping insertion in model container [2023-05-20 03:01:22,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:01:21" (2/3) ... [2023-05-20 03:01:22,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b96b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:01:22, skipping insertion in model container [2023-05-20 03:01:22,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:01:22" (3/3) ... [2023-05-20 03:01:22,097 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-05-20 03:01:22,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 03:01:22,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 03:01:22,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 03:01:22,108 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 03:01:22,148 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 03:01:22,206 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 03:01:22,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 03:01:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:22,214 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 03:01:22,215 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 03:01:22,265 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 03:01:22,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 03:01:22,281 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;@4a56c968, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 03:01:22,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 03:01:22,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:22,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:22,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1937267803, now seen corresponding path program 1 times [2023-05-20 03:01:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:22,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521080320] [2023-05-20 03:01:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 03:01:22,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:22,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521080320] [2023-05-20 03:01:22,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521080320] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 03:01:22,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 03:01:22,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 03:01:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850360821] [2023-05-20 03:01:22,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 03:01:22,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 03:01:22,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:22,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 03:01:22,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 03:01:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:22,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:22,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.0) internal successors, (108), 2 states have internal predecessors, (108), 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 03:01:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:22,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 03:01:22,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:22,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2065836984, now seen corresponding path program 1 times [2023-05-20 03:01:22,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:22,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661268186] [2023-05-20 03:01:22,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:22,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 32 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 03:01:23,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:23,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661268186] [2023-05-20 03:01:23,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661268186] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:23,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937618443] [2023-05-20 03:01:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:23,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:23,821 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 03:01:23,861 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 03:01:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:23,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 03:01:23,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 38 proven. 82 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 03:01:24,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 58 proven. 62 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 03:01:25,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937618443] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:25,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:25,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 21] total 53 [2023-05-20 03:01:25,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698041387] [2023-05-20 03:01:25,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:25,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-20 03:01:25,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:25,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-20 03:01:25,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=2343, Unknown=0, NotChecked=0, Total=2756 [2023-05-20 03:01:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:25,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:25,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.60377358490566) internal successors, (297), 53 states have internal predecessors, (297), 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 03:01:25,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:25,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:26,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 03:01:26,813 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,SelfDestructingSolverStorable1 [2023-05-20 03:01:26,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:26,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash -846264744, now seen corresponding path program 1 times [2023-05-20 03:01:26,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:26,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757781060] [2023-05-20 03:01:26,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:26,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 26 proven. 54 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 03:01:27,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:27,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757781060] [2023-05-20 03:01:27,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757781060] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:27,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382863343] [2023-05-20 03:01:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:27,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:27,320 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 03:01:27,369 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 03:01:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:27,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 03:01:27,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 35 proven. 32 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:01:27,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:01:28,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382863343] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:28,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:28,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 40 [2023-05-20 03:01:28,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233232917] [2023-05-20 03:01:28,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:28,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 03:01:28,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 03:01:28,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1168, Unknown=0, NotChecked=0, Total=1560 [2023-05-20 03:01:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:28,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:28,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 7.5) internal successors, (300), 40 states have internal predecessors, (300), 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 03:01:28,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:28,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:28,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:28,981 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 03:01:29,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:29,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:29,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:29,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1040741976, now seen corresponding path program 2 times [2023-05-20 03:01:29,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:29,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341648868] [2023-05-20 03:01:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:29,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:01:29,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:29,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341648868] [2023-05-20 03:01:29,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341648868] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:29,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829709392] [2023-05-20 03:01:29,590 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 03:01:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:29,591 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 03:01:29,617 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 03:01:29,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 03:01:29,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:01:29,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 03:01:29,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 35 proven. 47 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:01:30,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 66 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:01:30,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829709392] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:30,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:30,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2023-05-20 03:01:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186811396] [2023-05-20 03:01:30,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:30,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 03:01:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:30,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 03:01:30,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1459, Unknown=0, NotChecked=0, Total=1806 [2023-05-20 03:01:30,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:30,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:30,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.627906976744186) internal successors, (328), 43 states have internal predecessors, (328), 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 03:01:30,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:30,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:30,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:30,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:31,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 03:01:31,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:31,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:31,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1736937986, now seen corresponding path program 3 times [2023-05-20 03:01:31,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:31,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115555958] [2023-05-20 03:01:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 03:01:32,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:32,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115555958] [2023-05-20 03:01:32,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115555958] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:32,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257103975] [2023-05-20 03:01:32,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 03:01:32,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:32,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:32,073 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 03:01:32,089 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 03:01:32,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 03:01:32,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:01:32,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-20 03:01:32,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 03:01:32,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 03:01:32,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257103975] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:32,668 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:32,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2023-05-20 03:01:32,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904471367] [2023-05-20 03:01:32,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:32,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 03:01:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 03:01:32,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-05-20 03:01:32,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:32,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:32,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 03:01:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 03:01:32,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 03:01:33,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:33,077 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1955221116, now seen corresponding path program 4 times [2023-05-20 03:01:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:33,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008807126] [2023-05-20 03:01:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 03:01:33,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:33,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008807126] [2023-05-20 03:01:33,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008807126] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:33,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86938322] [2023-05-20 03:01:33,615 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 03:01:33,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:33,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:33,616 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 03:01:33,656 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 03:01:33,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 03:01:33,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:01:33,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 03:01:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 03:01:34,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 61 proven. 62 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 03:01:34,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86938322] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:34,710 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:34,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 50 [2023-05-20 03:01:34,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858451302] [2023-05-20 03:01:34,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:34,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-20 03:01:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:34,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-20 03:01:34,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=1947, Unknown=0, NotChecked=0, Total=2450 [2023-05-20 03:01:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:34,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:34,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.94) internal successors, (297), 50 states have internal predecessors, (297), 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 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 03:01:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 03:01:36,457 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 03:01:36,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:36,640 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 759666808, now seen corresponding path program 5 times [2023-05-20 03:01:36,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:36,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85125295] [2023-05-20 03:01:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 83 proven. 64 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-20 03:01:37,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:37,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85125295] [2023-05-20 03:01:37,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85125295] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:37,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414170046] [2023-05-20 03:01:37,182 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 03:01:37,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:37,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:37,183 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 03:01:37,197 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 03:01:37,306 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-20 03:01:37,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:01:37,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 03:01:37,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 62 proven. 112 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 03:01:37,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 117 proven. 57 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 03:01:38,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414170046] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:38,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:38,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 20] total 51 [2023-05-20 03:01:38,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576652241] [2023-05-20 03:01:38,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:38,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-20 03:01:38,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:38,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-20 03:01:38,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=2200, Unknown=0, NotChecked=0, Total=2550 [2023-05-20 03:01:38,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:38,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:38,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.1568627450980395) internal successors, (365), 51 states have internal predecessors, (365), 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 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 03:01:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:42,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:01:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-20 03:01:42,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 03:01:43,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:43,075 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:43,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:43,076 INFO L85 PathProgramCache]: Analyzing trace with hash -247009822, now seen corresponding path program 6 times [2023-05-20 03:01:43,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:43,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205294085] [2023-05-20 03:01:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 431 proven. 616 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 03:01:44,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205294085] [2023-05-20 03:01:44,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205294085] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940101847] [2023-05-20 03:01:44,138 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 03:01:44,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:44,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:44,139 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 03:01:44,141 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 03:01:44,315 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-05-20 03:01:44,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:01:44,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-20 03:01:44,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 508 proven. 451 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-05-20 03:01:45,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 779 proven. 180 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-05-20 03:01:46,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940101847] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:46,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:46,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 30] total 91 [2023-05-20 03:01:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813038296] [2023-05-20 03:01:46,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:46,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-05-20 03:01:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-05-20 03:01:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1947, Invalid=6243, Unknown=0, NotChecked=0, Total=8190 [2023-05-20 03:01:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:46,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:46,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 5.373626373626373) internal successors, (489), 91 states have internal predecessors, (489), 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 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-20 03:01:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-20 03:01:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:01:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:01:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:01:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2023-05-20 03:01:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 03:01:50,311 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 03:01:50,495 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,SelfDestructingSolverStorable7 [2023-05-20 03:01:50,496 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1507593032, now seen corresponding path program 7 times [2023-05-20 03:01:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:50,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229587163] [2023-05-20 03:01:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:50,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 163 proven. 490 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-20 03:01:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:01:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229587163] [2023-05-20 03:01:51,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229587163] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:01:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552321904] [2023-05-20 03:01:51,266 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 03:01:51,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:51,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:01:51,267 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 03:01:51,285 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 03:01:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:01:51,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-20 03:01:51,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:01:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 97 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:01:52,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:01:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 237 proven. 436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:01:53,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552321904] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:01:53,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:01:53,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 40, 40] total 101 [2023-05-20 03:01:53,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553488449] [2023-05-20 03:01:53,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:01:53,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-05-20 03:01:53,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:01:53,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-05-20 03:01:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1561, Invalid=8539, Unknown=0, NotChecked=0, Total=10100 [2023-05-20 03:01:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:53,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:01:53,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.861386138613861) internal successors, (491), 101 states have internal predecessors, (491), 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 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-20 03:01:53,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-20 03:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 03:01:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:01:58,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 03:01:59,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:01:59,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:01:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:01:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1601709220, now seen corresponding path program 8 times [2023-05-20 03:01:59,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:01:59,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99293213] [2023-05-20 03:01:59,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:01:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:01:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:02:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 157 proven. 667 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 03:02:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:02:00,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99293213] [2023-05-20 03:02:00,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99293213] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:02:00,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281364293] [2023-05-20 03:02:00,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 03:02:00,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:02:00,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:02:00,030 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 03:02:00,032 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 03:02:00,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 03:02:00,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:02:00,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-20 03:02:00,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:02:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 27 proven. 822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:02:01,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:02:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 28 proven. 821 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:02:02,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281364293] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:02:02,946 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:02:02,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 44, 44] total 110 [2023-05-20 03:02:02,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252815085] [2023-05-20 03:02:02,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:02:02,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-20 03:02:02,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:02:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-20 03:02:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1076, Invalid=10914, Unknown=0, NotChecked=0, Total=11990 [2023-05-20 03:02:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:02,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:02:02,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.827272727272727) internal successors, (531), 110 states have internal predecessors, (531), 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 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2023-05-20 03:02:15,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 03:02:15,633 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,SelfDestructingSolverStorable9 [2023-05-20 03:02:15,633 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:02:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:02:15,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1119811648, now seen corresponding path program 9 times [2023-05-20 03:02:15,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:02:15,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766067566] [2023-05-20 03:02:15,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:02:15,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:02:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:02:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 171 proven. 806 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 03:02:16,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:02:16,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766067566] [2023-05-20 03:02:16,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766067566] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:02:16,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475486998] [2023-05-20 03:02:16,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 03:02:16,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:02:16,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:02:16,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:02:16,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 03:02:16,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2023-05-20 03:02:16,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:02:16,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-20 03:02:16,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:02:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 285 proven. 695 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 03:02:17,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:02:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 285 proven. 695 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 03:02:18,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475486998] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:02:18,477 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:02:18,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 36, 36] total 95 [2023-05-20 03:02:18,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500637411] [2023-05-20 03:02:18,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:02:18,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2023-05-20 03:02:18,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:02:18,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2023-05-20 03:02:18,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1629, Invalid=7301, Unknown=0, NotChecked=0, Total=8930 [2023-05-20 03:02:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:18,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:02:18,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 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 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2023-05-20 03:02:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2023-05-20 03:02:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2023-05-20 03:02:25,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 03:02:26,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 03:02:26,045 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:02:26,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:02:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1299165842, now seen corresponding path program 10 times [2023-05-20 03:02:26,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:02:26,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929031472] [2023-05-20 03:02:26,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:02:26,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:02:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:02:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 1579 proven. 1957 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 03:02:28,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:02:28,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929031472] [2023-05-20 03:02:28,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929031472] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:02:28,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66348885] [2023-05-20 03:02:28,044 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 03:02:28,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:02:28,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:02:28,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:02:28,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 03:02:28,270 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 03:02:28,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:02:28,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 83 conjunts are in the unsatisfiable core [2023-05-20 03:02:28,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:02:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 916 proven. 2651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:02:30,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:02:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 2121 proven. 1446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:02:34,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66348885] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:02:34,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:02:34,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 82, 82] total 212 [2023-05-20 03:02:34,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120603254] [2023-05-20 03:02:34,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:02:34,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2023-05-20 03:02:34,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:02:34,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2023-05-20 03:02:34,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10531, Invalid=34201, Unknown=0, NotChecked=0, Total=44732 [2023-05-20 03:02:34,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:34,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:02:34,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 3.9858490566037736) internal successors, (845), 212 states have internal predecessors, (845), 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 03:02:34,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:34,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2023-05-20 03:02:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2023-05-20 03:02:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 316 states. [2023-05-20 03:02:53,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 03:02:54,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 03:02:54,002 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:02:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:02:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1759384046, now seen corresponding path program 11 times [2023-05-20 03:02:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:02:54,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830621900] [2023-05-20 03:02:54,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:02:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:02:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:02:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 1027 proven. 909 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-05-20 03:02:55,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:02:55,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830621900] [2023-05-20 03:02:55,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830621900] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:02:55,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915133608] [2023-05-20 03:02:55,009 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 03:02:55,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:02:55,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:02:55,010 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:02:55,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 03:02:55,223 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2023-05-20 03:02:55,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:02:55,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 79 conjunts are in the unsatisfiable core [2023-05-20 03:02:55,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:02:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 1174 proven. 831 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-05-20 03:02:55,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:02:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 1174 proven. 831 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-05-20 03:02:56,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915133608] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:02:56,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:02:56,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 16, 16] total 48 [2023-05-20 03:02:56,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545154146] [2023-05-20 03:02:56,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:02:56,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 03:02:56,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:02:56,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 03:02:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=1872, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 03:02:56,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:56,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:02:56,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.666666666666666) internal successors, (416), 48 states have internal predecessors, (416), 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 03:02:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:02:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:02:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:02:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 316 states. [2023-05-20 03:02:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:03:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 372 states. [2023-05-20 03:03:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2023-05-20 03:03:09,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 03:03:09,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 03:03:09,622 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:03:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:03:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1756134656, now seen corresponding path program 12 times [2023-05-20 03:03:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:03:09,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097525966] [2023-05-20 03:03:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:03:09,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:03:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:03:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8804 backedges. 4890 proven. 3879 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-05-20 03:03:14,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:03:14,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097525966] [2023-05-20 03:03:14,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097525966] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:03:14,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327542094] [2023-05-20 03:03:14,066 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 03:03:14,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:03:14,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:03:14,081 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:03:14,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 03:03:14,498 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2023-05-20 03:03:14,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:03:14,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 134 conjunts are in the unsatisfiable core [2023-05-20 03:03:14,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:03:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8804 backedges. 1148 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:03:22,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:03:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8804 backedges. 3851 proven. 4953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:03:28,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327542094] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:03:28,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:03:28,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 133, 133] total 341 [2023-05-20 03:03:28,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698593382] [2023-05-20 03:03:28,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:03:28,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 341 states [2023-05-20 03:03:28,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:03:28,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 341 interpolants. [2023-05-20 03:03:28,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27741, Invalid=88199, Unknown=0, NotChecked=0, Total=115940 [2023-05-20 03:03:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:03:28,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:03:28,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 341 states, 341 states have (on average 3.398826979472141) internal successors, (1159), 341 states have internal predecessors, (1159), 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 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:03:28,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 372 states. [2023-05-20 03:03:28,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2023-05-20 03:03:28,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:04:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 404 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:04:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2023-05-20 03:04:28,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 03:04:28,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:04:28,276 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:04:28,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:04:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1168988636, now seen corresponding path program 13 times [2023-05-20 03:04:28,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:04:28,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505583417] [2023-05-20 03:04:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:04:28,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:04:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:04:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16542 backedges. 10616 proven. 5888 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-20 03:04:34,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:04:34,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505583417] [2023-05-20 03:04:34,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505583417] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:04:34,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002268521] [2023-05-20 03:04:34,386 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 03:04:34,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:04:34,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:04:34,388 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:04:34,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 03:04:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:04:34,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1831 conjuncts, 127 conjunts are in the unsatisfiable core [2023-05-20 03:04:34,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:04:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16542 backedges. 6709 proven. 9802 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 03:04:42,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:04:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16542 backedges. 7807 proven. 8704 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 03:04:48,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002268521] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:04:48,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:04:48,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 126, 126] total 351 [2023-05-20 03:04:48,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841985000] [2023-05-20 03:04:48,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:04:48,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 351 states [2023-05-20 03:04:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:04:48,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 351 interpolants. [2023-05-20 03:04:48,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32971, Invalid=89879, Unknown=0, NotChecked=0, Total=122850 [2023-05-20 03:04:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:04:48,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:04:48,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 351 states, 351 states have (on average 4.005698005698005) internal successors, (1406), 351 states have internal predecessors, (1406), 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 03:04:48,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:04:48,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:04:48,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:04:48,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 404 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2023-05-20 03:04:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:05:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:05:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:05:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:05:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:05:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:05:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:05:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2023-05-20 03:05:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:05:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:05:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 03:05:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:05:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 430 states. [2023-05-20 03:05:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:05:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 490 states. [2023-05-20 03:05:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2023-05-20 03:05:53,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-20 03:05:53,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 03:05:53,234 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:05:53,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:05:53,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1709027036, now seen corresponding path program 14 times [2023-05-20 03:05:53,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:05:53,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754757447] [2023-05-20 03:05:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:05:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:05:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:06:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16346 backedges. 9985 proven. 6319 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 03:06:00,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:06:00,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754757447] [2023-05-20 03:06:00,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754757447] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:06:00,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908320088] [2023-05-20 03:06:00,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 03:06:00,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:06:00,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:06:00,421 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:06:00,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 03:06:00,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 03:06:00,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:06:00,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 183 conjunts are in the unsatisfiable core [2023-05-20 03:06:00,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:06:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16346 backedges. 1283 proven. 15063 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:06:13,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:06:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16346 backedges. 5476 proven. 10870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:06:26,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908320088] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:06:26,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:06:26,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 182, 182] total 461 [2023-05-20 03:06:26,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074037433] [2023-05-20 03:06:26,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:06:26,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 461 states [2023-05-20 03:06:26,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:06:26,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 461 interpolants. [2023-05-20 03:06:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51145, Invalid=160915, Unknown=0, NotChecked=0, Total=212060 [2023-05-20 03:06:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:06:26,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:06:26,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 461 states, 461 states have (on average 3.1973969631236443) internal successors, (1474), 461 states have internal predecessors, (1474), 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 03:06:26,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 430 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 490 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2023-05-20 03:06:26,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:09:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:09:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:09:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 468 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 598 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2023-05-20 03:09:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 535 states. [2023-05-20 03:09:48,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-20 03:09:48,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-20 03:09:48,229 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:09:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:09:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1665323784, now seen corresponding path program 15 times [2023-05-20 03:09:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:09:48,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593100106] [2023-05-20 03:09:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:09:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:09:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:09:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 28516 backedges. 19171 proven. 9299 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 03:09:59,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:09:59,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593100106] [2023-05-20 03:09:59,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593100106] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:09:59,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442183351] [2023-05-20 03:09:59,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 03:09:59,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:09:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:09:59,045 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:09:59,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 03:09:59,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 43 check-sat command(s) [2023-05-20 03:09:59,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:09:59,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-20 03:09:59,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:10:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 28516 backedges. 9290 proven. 1676 refuted. 0 times theorem prover too weak. 17550 trivial. 0 not checked. [2023-05-20 03:10:02,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:10:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28516 backedges. 9687 proven. 1279 refuted. 0 times theorem prover too weak. 17550 trivial. 0 not checked. [2023-05-20 03:10:05,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442183351] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:10:05,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:10:05,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 59, 59] total 249 [2023-05-20 03:10:05,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962371000] [2023-05-20 03:10:05,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:10:05,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2023-05-20 03:10:05,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:10:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2023-05-20 03:10:05,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9852, Invalid=51900, Unknown=0, NotChecked=0, Total=61752 [2023-05-20 03:10:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:05,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:10:05,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 4.192771084337349) internal successors, (1044), 249 states have internal predecessors, (1044), 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 03:10:05,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 468 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 598 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 535 states. [2023-05-20 03:10:05,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 469 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 600 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2023-05-20 03:10:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2023-05-20 03:10:33,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-05-20 03:10:33,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 03:10:33,781 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:10:33,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:10:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash 859832932, now seen corresponding path program 16 times [2023-05-20 03:10:33,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:10:33,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987856443] [2023-05-20 03:10:33,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:10:33,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:10:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:10:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5235 backedges. 2006 proven. 3182 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 03:10:36,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:10:36,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987856443] [2023-05-20 03:10:36,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987856443] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:10:36,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782615070] [2023-05-20 03:10:36,562 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 03:10:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:10:36,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:10:36,563 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:10:36,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 03:10:36,788 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 03:10:36,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:10:36,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-20 03:10:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:10:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5235 backedges. 1656 proven. 3579 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:10:40,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:10:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5235 backedges. 3318 proven. 1917 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:10:43,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782615070] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:10:43,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:10:43,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 88, 88] total 224 [2023-05-20 03:10:43,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834310528] [2023-05-20 03:10:43,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:10:43,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 224 states [2023-05-20 03:10:43,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:10:43,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2023-05-20 03:10:43,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11424, Invalid=38528, Unknown=0, NotChecked=0, Total=49952 [2023-05-20 03:10:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:43,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:10:43,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 224 states, 224 states have (on average 4.433035714285714) internal successors, (993), 224 states have internal predecessors, (993), 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 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 469 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 600 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2023-05-20 03:10:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:11:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 625 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 367 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 643 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2023-05-20 03:11:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 405 states. [2023-05-20 03:11:49,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-20 03:11:49,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 03:11:49,781 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:11:49,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:11:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1126074460, now seen corresponding path program 17 times [2023-05-20 03:11:49,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:11:49,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73244525] [2023-05-20 03:11:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:11:49,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:11:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:11:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 1828 proven. 3295 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-20 03:11:52,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:11:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73244525] [2023-05-20 03:11:52,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73244525] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:11:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935498226] [2023-05-20 03:11:52,349 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 03:11:52,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:11:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:11:52,350 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:11:52,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 03:11:52,699 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2023-05-20 03:11:52,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:11:52,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-20 03:11:52,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:11:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 1545 proven. 3628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:11:56,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:11:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 3148 proven. 2025 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:11:58,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935498226] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:11:58,990 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:11:58,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 88, 88] total 223 [2023-05-20 03:11:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125877306] [2023-05-20 03:11:58,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:11:58,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2023-05-20 03:11:58,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:11:58,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2023-05-20 03:11:59,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11098, Invalid=38408, Unknown=0, NotChecked=0, Total=49506 [2023-05-20 03:11:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:11:59,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:11:59,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.434977578475336) internal successors, (989), 223 states have internal predecessors, (989), 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 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:11:59,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 625 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 367 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 643 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 405 states. [2023-05-20 03:11:59,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 526 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2023-05-20 03:13:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 688 states. [2023-05-20 03:13:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2023-05-20 03:13:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 482 states. [2023-05-20 03:13:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 522 states. [2023-05-20 03:13:15,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-20 03:13:15,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:13:15,957 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:13:15,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:13:15,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1658952684, now seen corresponding path program 18 times [2023-05-20 03:13:15,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:13:15,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763068103] [2023-05-20 03:13:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:13:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:13:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:13:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 1716 proven. 3631 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 03:13:18,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:13:18,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763068103] [2023-05-20 03:13:18,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763068103] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:13:18,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901960597] [2023-05-20 03:13:18,690 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 03:13:18,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:13:18,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:13:18,691 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:13:18,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-20 03:13:19,072 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2023-05-20 03:13:19,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:13:19,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-20 03:13:19,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:13:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 1726 proven. 3668 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 03:13:21,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:13:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 3621 proven. 1773 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 03:13:24,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901960597] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:13:24,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:13:24,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 79, 79] total 203 [2023-05-20 03:13:24,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177375945] [2023-05-20 03:13:24,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:13:24,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2023-05-20 03:13:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:13:24,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2023-05-20 03:13:24,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10743, Invalid=30263, Unknown=0, NotChecked=0, Total=41006 [2023-05-20 03:13:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:13:24,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:13:24,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 4.886699507389163) internal successors, (992), 203 states have internal predecessors, (992), 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 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 526 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 385 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 688 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 482 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 522 states. [2023-05-20 03:13:24,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:14:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:14:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:14:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:14:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:14:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 686 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 712 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 488 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 609 states. [2023-05-20 03:14:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2023-05-20 03:14:11,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-05-20 03:14:11,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:14:11,748 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 03:14:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:14:11,748 INFO L85 PathProgramCache]: Analyzing trace with hash 364107984, now seen corresponding path program 19 times [2023-05-20 03:14:11,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:14:11,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585742056] [2023-05-20 03:14:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:14:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:14:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:14:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 325 proven. 1417 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2023-05-20 03:14:13,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:14:13,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585742056] [2023-05-20 03:14:13,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585742056] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:14:13,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945716155] [2023-05-20 03:14:13,077 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 03:14:13,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:14:13,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:14:13,078 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 03:14:13,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-20 03:14:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:14:13,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-20 03:14:13,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:14:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 114 proven. 2225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 03:14:15,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:14:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 115 proven. 2224 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 03:14:17,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945716155] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:14:17,970 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:14:17,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 61, 61] total 143 [2023-05-20 03:14:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268527311] [2023-05-20 03:14:17,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:14:17,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-05-20 03:14:17,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:14:17,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-05-20 03:14:17,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2625, Invalid=17681, Unknown=0, NotChecked=0, Total=20306 [2023-05-20 03:14:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:14:17,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:14:17,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 4.671328671328672) internal successors, (668), 143 states have internal predecessors, (668), 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 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-20 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 03:14:17,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 686 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 712 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 488 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 609 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2023-05-20 03:14:17,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 03:14:57,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-05-20 03:14:57,254 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 03:14:57,254 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 03:14:57,254 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 03:14:57,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:14:57,438 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 03:14:57,465 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 03:14:57,466 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 03:14:57,466 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 03:14:57,466 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 03:14:57,466 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 03:14:57,474 INFO L444 BasicCegarLoop]: Path program histogram: [19, 1, 1] [2023-05-20 03:14:57,476 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 03:14:57,476 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 03:14:57,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:14:57 BasicIcfg [2023-05-20 03:14:57,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 03:14:57,478 INFO L158 Benchmark]: Toolchain (without parser) took 816124.55ms. Allocated memory was 158.3MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 125.4MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-20 03:14:57,478 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 158.3MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 03:14:57,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.49ms. Allocated memory was 158.3MB in the beginning and 223.3MB in the end (delta: 65.0MB). Free memory was 125.2MB in the beginning and 192.2MB in the end (delta: -67.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2023-05-20 03:14:57,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.19ms. Allocated memory is still 223.3MB. Free memory was 192.2MB in the beginning and 190.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 03:14:57,479 INFO L158 Benchmark]: Boogie Preprocessor took 25.01ms. Allocated memory is still 223.3MB. Free memory was 190.5MB in the beginning and 189.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 03:14:57,479 INFO L158 Benchmark]: RCFGBuilder took 438.74ms. Allocated memory is still 223.3MB. Free memory was 189.1MB in the beginning and 168.5MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-20 03:14:57,479 INFO L158 Benchmark]: TraceAbstraction took 815384.81ms. Allocated memory was 223.3MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 167.4MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-20 03:14:57,480 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 158.3MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.49ms. Allocated memory was 158.3MB in the beginning and 223.3MB in the end (delta: 65.0MB). Free memory was 125.2MB in the beginning and 192.2MB in the end (delta: -67.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.19ms. Allocated memory is still 223.3MB. Free memory was 192.2MB in the beginning and 190.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.01ms. Allocated memory is still 223.3MB. Free memory was 190.5MB in the beginning and 189.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 438.74ms. Allocated memory is still 223.3MB. Free memory was 189.1MB in the beginning and 168.5MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 815384.81ms. Allocated memory was 223.3MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 167.4MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 559359, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 87979, dependent conditional: 87961, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 474162, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 2782, dependent conditional: 2764, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 474162, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 2782, dependent conditional: 2764, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 107477, dependent unconditional: 8769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 95882, dependent unconditional: 20364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 95882, dependent unconditional: 20364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5188, independent: 2434, independent conditional: 19, independent unconditional: 2415, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5188, independent: 2407, independent conditional: 0, independent unconditional: 2407, dependent: 2781, dependent conditional: 0, dependent unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2781, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2781, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7371, independent: 126, independent conditional: 34, independent unconditional: 92, dependent: 7245, dependent conditional: 7170, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 587626, independent: 468946, independent conditional: 5968, independent unconditional: 462978, dependent: 113492, dependent conditional: 93146, dependent unconditional: 20346, unknown: 5188, unknown conditional: 2755, unknown unconditional: 2433] , Statistics on independence cache: Total cache size (in pairs): 5188, Positive cache size: 2434, Positive conditional cache size: 19, Positive unconditional cache size: 2415, Negative cache size: 2754, Negative conditional cache size: 2736, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11595, Maximal queried relation: 19, Independence queries for same thread: 85197 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1690, Number of trivial persistent sets: 1206, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2644, independent: 2626, independent conditional: 0, independent unconditional: 2626, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 559359, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 87979, dependent conditional: 87961, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 474162, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 2782, dependent conditional: 2764, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 474162, independent: 471380, independent conditional: 468754, independent unconditional: 2626, dependent: 2782, dependent conditional: 2764, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 107477, dependent unconditional: 8769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 95882, dependent unconditional: 20364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 587626, independent: 471380, independent conditional: 5987, independent unconditional: 465393, dependent: 116246, dependent conditional: 95882, dependent unconditional: 20364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5188, independent: 2434, independent conditional: 19, independent unconditional: 2415, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5188, independent: 2407, independent conditional: 0, independent unconditional: 2407, dependent: 2781, dependent conditional: 0, dependent unconditional: 2781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2781, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2781, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 2754, dependent conditional: 2736, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7371, independent: 126, independent conditional: 34, independent unconditional: 92, dependent: 7245, dependent conditional: 7170, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 587626, independent: 468946, independent conditional: 5968, independent unconditional: 462978, dependent: 113492, dependent conditional: 93146, dependent unconditional: 20346, unknown: 5188, unknown conditional: 2755, unknown unconditional: 2433] , Statistics on independence cache: Total cache size (in pairs): 5188, Positive cache size: 2434, Positive conditional cache size: 19, Positive unconditional cache size: 2415, Negative cache size: 2754, Negative conditional cache size: 2736, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11595, Maximal queried relation: 19, Independence queries for same thread: 85197 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 146 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 815.3s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 19, EmptinessCheckTime: 653.6s, 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: 5915, 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: 0.8s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 150.3s InterpolantComputationTime, 11828 NumberOfCodeBlocks, 11521 NumberOfCodeBlocksAsserted, 287 NumberOfCheckSat, 17613 ConstructedInterpolants, 0 QuantifiedInterpolants, 134134 SizeOfPredicates, 220 NumberOfNonLiveVariables, 18452 ConjunctsInSsa, 1292 ConjunctsInUnsatCore, 61 InterpolantComputations, 1 PerfectInterpolantSequences, 161318/296416 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