/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:09:06,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:09:06,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:09:06,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 12:09:06,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:09:06,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:09:06,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:09:06,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:09:06,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:09:06,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:09:06,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:09:06,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:09:06,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:09:06,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:09:06,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:09:06,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:09:06,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 12:09:06,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:09:06,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:09:06,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:09:06,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:09:06,144 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:09:06,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:09:06,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:09:06,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:09:06,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:09:06,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:09:06,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:09:06,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:09:06,146 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:09:06,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:09:06,147 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:09:06,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:09:06,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:09:06,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:09:06,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:09:06,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:09:06,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:09:06,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:09:06,151 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:09:06,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:09:06,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:09:06,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:09:06,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:09:06,403 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:09:06,404 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:09:06,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-05-04 12:09:06,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caf45e83/ee8d39100a2e4eebb00b9636b5893625/FLAG363969624 [2023-05-04 12:09:06,896 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:09:06,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-05-04 12:09:06,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caf45e83/ee8d39100a2e4eebb00b9636b5893625/FLAG363969624 [2023-05-04 12:09:07,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caf45e83/ee8d39100a2e4eebb00b9636b5893625 [2023-05-04 12:09:07,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:09:07,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:09:07,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:09:07,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:09:07,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:09:07,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca2532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07, skipping insertion in model container [2023-05-04 12:09:07,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:09:07,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:09:07,596 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/parallel-misc-2.wvr.c[2554,2567] [2023-05-04 12:09:07,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:09:07,605 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:09:07,641 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/parallel-misc-2.wvr.c[2554,2567] [2023-05-04 12:09:07,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:09:07,651 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:09:07,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07 WrapperNode [2023-05-04 12:09:07,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:09:07,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:09:07,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:09:07,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:09:07,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,687 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-05-04 12:09:07,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:09:07,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:09:07,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:09:07,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:09:07,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:09:07,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:09:07,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:09:07,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:09:07,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (1/1) ... [2023-05-04 12:09:07,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:09:07,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:07,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 12:09:07,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 12:09:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:09:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:09:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:09:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:09:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:09:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:09:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:09:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:09:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:09:07,778 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:09:07,849 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:09:07,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:09:08,026 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:09:08,070 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:09:08,070 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 12:09:08,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:09:08 BoogieIcfgContainer [2023-05-04 12:09:08,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:09:08,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:09:08,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:09:08,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:09:08,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:09:07" (1/3) ... [2023-05-04 12:09:08,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257c170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:09:08, skipping insertion in model container [2023-05-04 12:09:08,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:09:07" (2/3) ... [2023-05-04 12:09:08,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257c170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:09:08, skipping insertion in model container [2023-05-04 12:09:08,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:09:08" (3/3) ... [2023-05-04 12:09:08,093 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-05-04 12:09:08,100 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:09:08,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:09:08,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:09:08,107 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:09:08,174 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 12:09:08,214 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:09:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:09:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:08,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 12:09:08,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 12:09:08,244 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:09:08,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:09:08,265 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;@392b3fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:09:08,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 12:09:08,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:08,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1834749762, now seen corresponding path program 1 times [2023-05-04 12:09:08,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:08,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984313405] [2023-05-04 12:09:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:09:08,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:08,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984313405] [2023-05-04 12:09:08,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984313405] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:09:08,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:09:08,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:09:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233271915] [2023-05-04 12:09:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:09:08,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:09:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:08,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:09:08,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:09:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:08,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:08,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:08,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:08,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:09:08,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1806330116, now seen corresponding path program 1 times [2023-05-04 12:09:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:08,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922245147] [2023-05-04 12:09:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:09,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:09,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922245147] [2023-05-04 12:09:09,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922245147] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:09:09,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:09:09,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:09:09,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291252354] [2023-05-04 12:09:09,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:09:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:09:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:09:09,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:09:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:09,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:09,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:09:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 12:09:09,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash 995243908, now seen corresponding path program 1 times [2023-05-04 12:09:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:09,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286622040] [2023-05-04 12:09:09,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:09,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:09,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286622040] [2023-05-04 12:09:09,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286622040] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:09:09,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:09:09,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 12:09:09,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732623337] [2023-05-04 12:09:09,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:09:09,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 12:09:09,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 12:09:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-04 12:09:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:09,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:09:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:09,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 12:09:09,955 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:09,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:09,957 INFO L85 PathProgramCache]: Analyzing trace with hash -622220841, now seen corresponding path program 1 times [2023-05-04 12:09:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:09,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869788256] [2023-05-04 12:09:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:09,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:09:10,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:10,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869788256] [2023-05-04 12:09:10,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869788256] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:10,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895560045] [2023-05-04 12:09:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:10,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:10,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 12:09:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:10,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-04 12:09:10,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:09:10,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:09:11,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895560045] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:11,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:11,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-05-04 12:09:11,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353424991] [2023-05-04 12:09:11,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:11,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 12:09:11,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:11,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 12:09:11,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-05-04 12:09:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:11,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:11,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 17 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:11,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:11,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:11,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:11,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:11,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 12:09:11,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 12:09:11,977 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:11,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:11,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1234259510, now seen corresponding path program 1 times [2023-05-04 12:09:11,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:11,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084203421] [2023-05-04 12:09:11,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:11,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:12,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:12,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084203421] [2023-05-04 12:09:12,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084203421] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:09:12,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:09:12,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:09:12,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359014779] [2023-05-04 12:09:12,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:09:12,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:09:12,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:12,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:09:12,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:09:12,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:12,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:12,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 12:09:12,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1496874423, now seen corresponding path program 1 times [2023-05-04 12:09:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326878319] [2023-05-04 12:09:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 12:09:12,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:12,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326878319] [2023-05-04 12:09:12,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326878319] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:12,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762904342] [2023-05-04 12:09:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:12,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:12,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 12:09:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:12,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 12:09:12,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 12:09:12,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 12:09:12,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762904342] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:12,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:12,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-05-04 12:09:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178480267] [2023-05-04 12:09:12,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:12,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 12:09:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 12:09:12,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-05-04 12:09:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:12,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:12,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:12,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:12,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 12:09:13,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 12:09:13,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:13,375 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:13,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1858703714, now seen corresponding path program 1 times [2023-05-04 12:09:13,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:13,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742023351] [2023-05-04 12:09:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:13,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 12:09:14,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:14,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742023351] [2023-05-04 12:09:14,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742023351] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:14,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595586427] [2023-05-04 12:09:14,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:14,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:14,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:14,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 12:09:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:14,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 12:09:14,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 12:09:14,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 12:09:15,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595586427] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:15,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:15,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 13] total 33 [2023-05-04 12:09:15,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610567660] [2023-05-04 12:09:15,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:15,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-04 12:09:15,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:15,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-04 12:09:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2023-05-04 12:09:15,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:15,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:15,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.818181818181818) internal successors, (192), 33 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 12:09:15,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:19,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 12:09:19,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:19,717 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:19,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash -130611624, now seen corresponding path program 2 times [2023-05-04 12:09:19,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:19,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039140477] [2023-05-04 12:09:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:19,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-04 12:09:19,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:19,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039140477] [2023-05-04 12:09:19,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039140477] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:09:19,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:09:19,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:09:19,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405702895] [2023-05-04 12:09:19,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:09:19,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:09:19,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:19,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:09:19,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:09:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:19,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:19,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:19,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 12:09:19,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:19,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:19,905 INFO L85 PathProgramCache]: Analyzing trace with hash -604691912, now seen corresponding path program 1 times [2023-05-04 12:09:19,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:19,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667769600] [2023-05-04 12:09:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:20,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667769600] [2023-05-04 12:09:20,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667769600] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296943727] [2023-05-04 12:09:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:20,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:20,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:20,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 12:09:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:20,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 12:09:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 12:09:20,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 12:09:21,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296943727] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:21,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:21,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 25 [2023-05-04 12:09:21,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9342087] [2023-05-04 12:09:21,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:21,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 12:09:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:21,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 12:09:21,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2023-05-04 12:09:21,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:21,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:21,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:09:23,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 12:09:23,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:23,611 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:23,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1812997243, now seen corresponding path program 2 times [2023-05-04 12:09:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:23,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324155446] [2023-05-04 12:09:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:24,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:24,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324155446] [2023-05-04 12:09:24,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324155446] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:24,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810230668] [2023-05-04 12:09:24,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:09:24,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:24,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:24,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:24,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 12:09:24,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:09:24,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:09:24,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 12:09:24,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:26,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:09:28,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810230668] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:28,151 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:28,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 37 [2023-05-04 12:09:28,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350995143] [2023-05-04 12:09:28,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:28,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 12:09:28,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:28,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 12:09:28,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1150, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 12:09:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:28,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:28,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.243243243243243) internal successors, (194), 37 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:28,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:28,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:09:28,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:53,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:53,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:09:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:09:53,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 12:09:53,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:53,401 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:09:53,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:09:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1787334799, now seen corresponding path program 3 times [2023-05-04 12:09:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:09:53,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138701546] [2023-05-04 12:09:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:09:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:09:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:09:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 12:09:54,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:09:54,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138701546] [2023-05-04 12:09:54,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138701546] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:09:54,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696237121] [2023-05-04 12:09:54,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:09:54,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:09:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:09:54,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:09:54,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 12:09:54,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 12:09:54,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:09:54,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 12:09:54,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:09:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-04 12:09:54,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:09:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-04 12:09:55,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696237121] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:09:55,765 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:09:55,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 34 [2023-05-04 12:09:55,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026223702] [2023-05-04 12:09:55,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:09:55,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 12:09:55,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:09:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 12:09:55,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1019, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 12:09:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:55,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:09:55,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.911764705882353) internal successors, (235), 34 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-04 12:09:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-04 12:10:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 12:10:04,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 12:10:04,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:10:04,611 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:10:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:10:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1015982268, now seen corresponding path program 4 times [2023-05-04 12:10:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:10:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727626494] [2023-05-04 12:10:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:10:04,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:10:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:10:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 12:10:05,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:10:05,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727626494] [2023-05-04 12:10:05,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727626494] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:10:05,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061357611] [2023-05-04 12:10:05,290 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:10:05,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:10:05,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:10:05,305 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:10:05,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 12:10:05,466 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:10:05,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:10:05,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-04 12:10:05,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:10:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 12:10:05,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:10:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 12:10:06,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061357611] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:10:06,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:10:06,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2023-05-04 12:10:06,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849216869] [2023-05-04 12:10:06,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:10:06,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 12:10:06,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:10:06,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 12:10:06,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-05-04 12:10:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:06,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:10:06,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 12 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 12:10:06,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 12:10:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-04 12:10:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-04 12:10:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:10:08,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 12:10:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 12:10:08,981 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:10:08,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:10:08,981 INFO L85 PathProgramCache]: Analyzing trace with hash -872766206, now seen corresponding path program 5 times [2023-05-04 12:10:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:10:08,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467812820] [2023-05-04 12:10:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:10:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:10:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:10:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 35 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:10:24,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:10:24,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467812820] [2023-05-04 12:10:24,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467812820] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:10:24,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364697280] [2023-05-04 12:10:24,870 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:10:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:10:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:10:24,872 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:10:24,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 12:10:25,928 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 12:10:25,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:10:25,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-04 12:10:25,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:10:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:10:52,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:12:58,734 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 7788 DAG size of output: 7729 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-04 12:20:05,514 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:20:05,515 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 [2023-05-04 12:20:05,515 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 [2023-05-04 12:20:06,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-04 12:20:06,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2023-05-04 12:20:06,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown