/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 03:08:17,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 03:08:17,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 03:08:17,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 03:08:17,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 03:08:17,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 03:08:17,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 03:08:17,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 03:08:17,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 03:08:17,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 03:08:17,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 03:08:17,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 03:08:17,450 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 03:08:17,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 03:08:17,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 03:08:17,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 03:08:17,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 03:08:17,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 03:08:17,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 03:08:17,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 03:08:17,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 03:08:17,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 03:08:17,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 03:08:17,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 03:08:17,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 03:08:17,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 03:08:17,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 03:08:17,453 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 03:08:17,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 03:08:17,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:08:17,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 03:08:17,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 03:08:17,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 03:08:17,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 03:08:17,455 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 03:08:17,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 03:08:17,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 03:08:17,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 03:08:17,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 03:08:17,689 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 03:08:17,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-06 03:08:18,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 03:08:18,955 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 03:08:18,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-06 03:08:18,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a1924c064/9d957a5c24bf43998647ad0beb2efd4b/FLAG045cbea8a [2024-04-06 03:08:18,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a1924c064/9d957a5c24bf43998647ad0beb2efd4b [2024-04-06 03:08:18,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 03:08:18,974 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 03:08:18,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 03:08:18,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 03:08:18,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 03:08:18,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:08:18" (1/1) ... [2024-04-06 03:08:18,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:18, skipping insertion in model container [2024-04-06 03:08:18,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:08:18" (1/1) ... [2024-04-06 03:08:18,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 03:08:19,119 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2024-04-06 03:08:19,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:08:19,138 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 03:08:19,168 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2024-04-06 03:08:19,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:08:19,179 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:08:19,179 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:08:19,184 INFO L206 MainTranslator]: Completed translation [2024-04-06 03:08:19,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19 WrapperNode [2024-04-06 03:08:19,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 03:08:19,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 03:08:19,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 03:08:19,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 03:08:19,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,232 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 125 [2024-04-06 03:08:19,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 03:08:19,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 03:08:19,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 03:08:19,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 03:08:19,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 03:08:19,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 03:08:19,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 03:08:19,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 03:08:19,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (1/1) ... [2024-04-06 03:08:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:08:19,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:19,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 03:08:19,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 03:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 03:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 03:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 03:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 03:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 03:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 03:08:19,394 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 03:08:19,482 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 03:08:19,484 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 03:08:19,775 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 03:08:19,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 03:08:19,798 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-06 03:08:19,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:08:19 BoogieIcfgContainer [2024-04-06 03:08:19,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 03:08:19,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 03:08:19,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 03:08:19,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 03:08:19,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 03:08:18" (1/3) ... [2024-04-06 03:08:19,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a3dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:08:19, skipping insertion in model container [2024-04-06 03:08:19,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:08:19" (2/3) ... [2024-04-06 03:08:19,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a3dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:08:19, skipping insertion in model container [2024-04-06 03:08:19,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:08:19" (3/3) ... [2024-04-06 03:08:19,805 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-04-06 03:08:19,811 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 03:08:19,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 03:08:19,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 03:08:19,819 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 03:08:19,869 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 03:08:19,928 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 03:08:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 03:08:19,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:19,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 03:08:19,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 03:08:19,976 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 03:08:19,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:19,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 03:08:19,991 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=LoopHeads, 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;@31588cda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 03:08:19,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 03:08:20,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:20,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:20,710 INFO L85 PathProgramCache]: Analyzing trace with hash -305992032, now seen corresponding path program 1 times [2024-04-06 03:08:20,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:20,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453234603] [2024-04-06 03:08:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:20,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-04-06 03:08:21,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453234603] [2024-04-06 03:08:21,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453234603] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:08:21,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:08:21,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 03:08:21,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543807488] [2024-04-06 03:08:21,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:08:21,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 03:08:21,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:21,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 03:08:21,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 03:08:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:21,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2024-04-06 03:08:21,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 03:08:21,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:21,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash -309245007, now seen corresponding path program 1 times [2024-04-06 03:08:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:21,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230284004] [2024-04-06 03:08:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-04-06 03:08:21,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:21,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230284004] [2024-04-06 03:08:21,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230284004] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:08:21,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:08:21,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 03:08:21,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521734859] [2024-04-06 03:08:21,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:08:21,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 03:08:21,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:21,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 03:08:21,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-06 03:08:21,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:21,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 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) [2024-04-06 03:08:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:21,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 03:08:21,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:21,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:21,961 INFO L85 PathProgramCache]: Analyzing trace with hash -609435668, now seen corresponding path program 1 times [2024-04-06 03:08:21,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:21,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686104821] [2024-04-06 03:08:21,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:21,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-06 03:08:22,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:22,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686104821] [2024-04-06 03:08:22,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686104821] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:22,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538842181] [2024-04-06 03:08:22,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:22,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:22,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:22,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:22,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 03:08:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:22,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 03:08:22,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-06 03:08:22,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:08:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-06 03:08:23,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538842181] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:08:23,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:08:23,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-06 03:08:23,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957492090] [2024-04-06 03:08:23,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:08:23,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 03:08:23,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 03:08:23,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-06 03:08:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:23,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:23,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 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) [2024-04-06 03:08:23,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:23,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:23,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:23,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 03:08:23,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-06 03:08:23,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:23,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash -384244079, now seen corresponding path program 2 times [2024-04-06 03:08:23,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:23,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253150301] [2024-04-06 03:08:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:23,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-06 03:08:24,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:24,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253150301] [2024-04-06 03:08:24,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253150301] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:24,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003321413] [2024-04-06 03:08:24,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:08:24,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:24,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:24,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:24,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 03:08:24,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:08:24,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:08:24,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 03:08:24,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-06 03:08:24,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:08:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-06 03:08:25,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003321413] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:08:25,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:08:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-04-06 03:08:25,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360190328] [2024-04-06 03:08:25,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:08:25,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-06 03:08:25,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-06 03:08:25,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-04-06 03:08:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:25,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:25,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.441176470588236) internal successors, (321), 34 states have internal predecessors, (321), 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) [2024-04-06 03:08:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:25,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 03:08:25,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:25,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:25,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:25,711 INFO L85 PathProgramCache]: Analyzing trace with hash 225312652, now seen corresponding path program 3 times [2024-04-06 03:08:25,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:25,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140462476] [2024-04-06 03:08:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:25,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 74 proven. 89 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-04-06 03:08:26,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:26,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140462476] [2024-04-06 03:08:26,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140462476] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:26,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812315155] [2024-04-06 03:08:26,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:08:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:26,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:26,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:26,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 03:08:26,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 03:08:26,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:08:26,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-06 03:08:26,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-06 03:08:26,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:08:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-06 03:08:26,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812315155] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:08:26,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:08:26,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 26 [2024-04-06 03:08:26,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664460994] [2024-04-06 03:08:26,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:08:26,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-06 03:08:26,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:26,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-06 03:08:26,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-04-06 03:08:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:26,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:26,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.153846153846153) internal successors, (368), 26 states have internal predecessors, (368), 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) [2024-04-06 03:08:26,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:26,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:26,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:26,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:26,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 03:08:28,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 03:08:28,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:28,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:28,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash 664634737, now seen corresponding path program 1 times [2024-04-06 03:08:28,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:28,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37537495] [2024-04-06 03:08:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:28,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-04-06 03:08:28,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37537495] [2024-04-06 03:08:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37537495] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:08:28,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:08:28,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 03:08:28,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859675014] [2024-04-06 03:08:28,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:08:28,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 03:08:28,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:28,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 03:08:28,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-06 03:08:28,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:28,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 03:08:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:28,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 03:08:28,898 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:28,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:28,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1934953334, now seen corresponding path program 4 times [2024-04-06 03:08:28,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:28,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881535514] [2024-04-06 03:08:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:28,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-04-06 03:08:29,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:29,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881535514] [2024-04-06 03:08:29,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881535514] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:29,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621050750] [2024-04-06 03:08:29,118 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 03:08:29,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:29,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:29,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:29,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 03:08:29,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 03:08:29,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:08:29,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 03:08:29,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 68 proven. 36 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 03:08:29,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:08:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 90 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 03:08:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621050750] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:08:30,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:08:30,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 33 [2024-04-06 03:08:30,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543925065] [2024-04-06 03:08:30,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:08:30,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 03:08:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:30,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 03:08:30,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=834, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 03:08:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:30,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:30,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.757575757575758) internal successors, (388), 33 states have internal predecessors, (388), 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) [2024-04-06 03:08:30,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:30,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:30,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:30,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:30,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:08:31,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 03:08:31,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-06 03:08:31,873 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:31,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:31,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1624752662, now seen corresponding path program 5 times [2024-04-06 03:08:31,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:31,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633947588] [2024-04-06 03:08:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:31,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 85 proven. 110 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 03:08:32,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:32,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633947588] [2024-04-06 03:08:32,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633947588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:32,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325032977] [2024-04-06 03:08:32,395 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 03:08:32,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:32,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:32,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 03:08:32,641 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-06 03:08:32,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:08:32,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-06 03:08:32,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 109 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-06 03:08:33,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:08:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 34 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-04-06 03:08:33,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325032977] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:08:33,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:08:33,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 10] total 46 [2024-04-06 03:08:33,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067417523] [2024-04-06 03:08:33,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:08:33,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-06 03:08:33,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:33,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-06 03:08:33,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1899, Unknown=0, NotChecked=0, Total=2070 [2024-04-06 03:08:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:33,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:33,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.91304347826087) internal successors, (456), 46 states have internal predecessors, (456), 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) [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:08:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-06 03:08:46,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 03:08:46,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:46,907 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:08:46,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:08:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 286411256, now seen corresponding path program 6 times [2024-04-06 03:08:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:08:46,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760156622] [2024-04-06 03:08:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:08:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:08:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:08:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 11 proven. 147 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-04-06 03:08:47,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:08:47,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760156622] [2024-04-06 03:08:47,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760156622] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:08:47,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330127009] [2024-04-06 03:08:47,459 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 03:08:47,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:08:47,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:08:47,460 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:08:47,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 03:08:47,610 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-04-06 03:08:47,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:08:47,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 03:08:47,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:08:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-06 03:08:47,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:08:47,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330127009] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:08:47,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:08:47,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2024-04-06 03:08:47,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246959740] [2024-04-06 03:08:47,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:08:47,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 03:08:47,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:08:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 03:08:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-04-06 03:08:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:47,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:08:47,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-06 03:08:47,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:09,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 03:09:09,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 665 treesize of output 568 [2024-04-06 03:09:14,774 INFO L85 PathProgramCache]: Analyzing trace with hash -42072599, now seen corresponding path program 1 times [2024-04-06 03:09:14,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:14,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 03:09:14,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 03:09:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat