/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 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 03:01:04,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 03:01:04,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 03:01:04,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 03:01:04,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 03:01:04,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 03:01:04,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 03:01:04,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 03:01:04,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 03:01:04,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 03:01:04,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 03:01:04,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 03:01:04,217 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 03:01:04,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 03:01:04,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 03:01:04,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 03:01:04,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 03:01:04,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 03:01:04,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 03:01:04,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 03:01:04,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 03:01:04,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 03:01:04,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 03:01:04,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 03:01:04,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 03:01:04,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 03:01:04,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 03:01:04,221 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 03:01:04,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 03:01:04,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:01:04,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 03:01:04,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 03:01:04,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 03:01:04,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 03:01:04,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 03:01:04,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 03:01:04,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 03:01:04,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 03:01:04,479 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 03:01:04,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-04-05 03:01:05,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 03:01:05,567 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 03:01:05,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-04-05 03:01:05,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/84c1c0dfc/a8299fb831a94ef798ab0e3ef4ac36fc/FLAGfea65cfe9 [2024-04-05 03:01:05,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/84c1c0dfc/a8299fb831a94ef798ab0e3ef4ac36fc [2024-04-05 03:01:05,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 03:01:05,585 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 03:01:05,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 03:01:05,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 03:01:05,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 03:01:05,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6c08af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05, skipping insertion in model container [2024-04-05 03:01:05,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 03:01:05,785 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-more-buffer-mult.wvr.c[4218,4231] [2024-04-05 03:01:05,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:01:05,830 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 03:01:05,882 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-more-buffer-mult.wvr.c[4218,4231] [2024-04-05 03:01:05,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:01:05,897 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:01:05,897 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 03:01:05,902 INFO L206 MainTranslator]: Completed translation [2024-04-05 03:01:05,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05 WrapperNode [2024-04-05 03:01:05,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 03:01:05,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 03:01:05,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 03:01:05,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 03:01:05,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,964 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 316 [2024-04-05 03:01:05,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 03:01:05,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 03:01:05,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 03:01:05,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 03:01:05,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:05,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:06,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 03:01:06,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 03:01:06,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 03:01:06,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 03:01:06,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (1/1) ... [2024-04-05 03:01:06,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:01:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:06,046 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) [2024-04-05 03:01:06,048 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 [2024-04-05 03:01:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 03:01:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 03:01:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 03:01:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 03:01:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 03:01:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 03:01:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 03:01:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 03:01:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 03:01:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 03:01:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 03:01:06,081 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 03:01:06,164 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 03:01:06,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 03:01:06,458 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 03:01:06,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 03:01:06,553 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 03:01:06,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:01:06 BoogieIcfgContainer [2024-04-05 03:01:06,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 03:01:06,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 03:01:06,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 03:01:06,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 03:01:06,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:01:05" (1/3) ... [2024-04-05 03:01:06,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435c68b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:01:06, skipping insertion in model container [2024-04-05 03:01:06,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:01:05" (2/3) ... [2024-04-05 03:01:06,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435c68b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:01:06, skipping insertion in model container [2024-04-05 03:01:06,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:01:06" (3/3) ... [2024-04-05 03:01:06,560 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-04-05 03:01:06,566 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 03:01:06,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 03:01:06,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 03:01:06,573 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 03:01:06,647 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-05 03:01:06,687 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 03:01:06,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 03:01:06,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:06,690 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) [2024-04-05 03:01:06,693 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 [2024-04-05 03:01:06,748 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 03:01:06,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:06,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 03:01:06,777 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;@3a26b2b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 03:01:06,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-05 03:01:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1469054497, now seen corresponding path program 1 times [2024-04-05 03:01:07,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:07,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 03:01:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 03:01:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 03:01:07,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 03:01:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1168827360, now seen corresponding path program 1 times [2024-04-05 03:01:08,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:08,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 03:01:08,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 03:01:09,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 03:01:09,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-05 03:01:10,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:10,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:10,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2085479239, now seen corresponding path program 1 times [2024-04-05 03:01:10,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:10,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10051662] [2024-04-05 03:01:10,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:10,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-04-05 03:01:11,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:11,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10051662] [2024-04-05 03:01:11,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10051662] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:01:11,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:01:11,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 03:01:11,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789758595] [2024-04-05 03:01:11,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:01:11,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 03:01:11,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 03:01:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 03:01:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:11,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:11,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.333333333333336) internal successors, (200), 6 states have internal predecessors, (200), 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) [2024-04-05 03:01:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:11,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 03:01:11,867 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:11,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash -249473579, now seen corresponding path program 1 times [2024-04-05 03:01:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:11,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500552337] [2024-04-05 03:01:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 109 proven. 146 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-04-05 03:01:12,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500552337] [2024-04-05 03:01:12,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500552337] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79745172] [2024-04-05 03:01:12,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:12,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:12,586 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) [2024-04-05 03:01:12,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 03:01:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:12,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 03:01:12,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-05 03:01:12,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-05 03:01:13,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79745172] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:13,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:13,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 03:01:13,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561148417] [2024-04-05 03:01:13,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:13,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 03:01:13,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:13,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 03:01:13,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-05 03:01:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:13,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:13,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.842105263157896) internal successors, (301), 19 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:01:13,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:13,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:14,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:14,643 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,SelfDestructingSolverStorable5 [2024-04-05 03:01:14,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:14,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:14,644 INFO L85 PathProgramCache]: Analyzing trace with hash 498420411, now seen corresponding path program 2 times [2024-04-05 03:01:14,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:14,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540157675] [2024-04-05 03:01:14,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-04-05 03:01:15,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:15,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540157675] [2024-04-05 03:01:15,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540157675] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:15,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034413650] [2024-04-05 03:01:15,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:01:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:15,095 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) [2024-04-05 03:01:15,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 03:01:15,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:01:15,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:15,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 03:01:15,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 133 proven. 12 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-04-05 03:01:15,659 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 30 proven. 115 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-04-05 03:01:16,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034413650] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:16,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:16,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 30 [2024-04-05 03:01:16,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383754855] [2024-04-05 03:01:16,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:16,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 03:01:16,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:16,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 03:01:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2024-04-05 03:01:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:16,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:16,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.533333333333333) internal successors, (436), 30 states have internal predecessors, (436), 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) [2024-04-05 03:01:16,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:16,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:16,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:18,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:18,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:18,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:18,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:18,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1683120427, now seen corresponding path program 3 times [2024-04-05 03:01:18,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:18,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676029112] [2024-04-05 03:01:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 394 proven. 88 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-05 03:01:19,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:19,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676029112] [2024-04-05 03:01:19,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676029112] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:19,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093926] [2024-04-05 03:01:19,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:01:19,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:19,175 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) [2024-04-05 03:01:19,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 03:01:19,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 03:01:19,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:19,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-05 03:01:19,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 337 proven. 27 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-04-05 03:01:19,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 43 proven. 321 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-04-05 03:01:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093926] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:20,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:20,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-04-05 03:01:20,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910805613] [2024-04-05 03:01:20,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:20,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 03:01:20,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 03:01:20,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1109, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 03:01:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:20,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.945945945945946) internal successors, (405), 37 states have internal predecessors, (405), 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) [2024-04-05 03:01:20,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:20,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:20,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:20,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:21,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:22,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:22,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:22,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:22,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1132862929, now seen corresponding path program 4 times [2024-04-05 03:01:22,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:22,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353185317] [2024-04-05 03:01:22,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:22,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 394 proven. 123 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-05 03:01:22,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:22,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353185317] [2024-04-05 03:01:22,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353185317] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:22,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515075039] [2024-04-05 03:01:22,887 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:01:22,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:22,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:22,888 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) [2024-04-05 03:01:22,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 03:01:23,054 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:01:23,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:23,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 03:01:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 245 proven. 10 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-04-05 03:01:23,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 223 proven. 32 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-04-05 03:01:23,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515075039] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:23,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:23,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 37 [2024-04-05 03:01:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51777543] [2024-04-05 03:01:23,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:23,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 03:01:23,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:23,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 03:01:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1184, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 03:01:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:23,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:23,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 13.108108108108109) internal successors, (485), 37 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:01:23,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:23,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:23,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:23,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:23,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:25,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:26,055 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,SelfDestructingSolverStorable8 [2024-04-05 03:01:26,056 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:26,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash 349123131, now seen corresponding path program 5 times [2024-04-05 03:01:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:26,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115233134] [2024-04-05 03:01:26,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:26,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 375 proven. 161 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-04-05 03:01:26,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:26,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115233134] [2024-04-05 03:01:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115233134] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:26,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484694769] [2024-04-05 03:01:26,697 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:01:26,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:26,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:26,698 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) [2024-04-05 03:01:26,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 03:01:27,000 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-05 03:01:27,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:27,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 03:01:27,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 394 proven. 98 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-05 03:01:27,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 342 proven. 348 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-04-05 03:01:28,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484694769] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:28,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:28,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 17] total 33 [2024-04-05 03:01:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845629166] [2024-04-05 03:01:28,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:28,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 03:01:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:28,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 03:01:28,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 03:01:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:28,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:28,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 18.696969696969695) internal successors, (617), 33 states have internal predecessors, (617), 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) [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:28,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:28,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:28,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 03:01:28,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:28,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1894682751, now seen corresponding path program 6 times [2024-04-05 03:01:28,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:28,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852507752] [2024-04-05 03:01:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 58 proven. 186 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 03:01:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:29,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852507752] [2024-04-05 03:01:29,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852507752] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:29,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119055598] [2024-04-05 03:01:29,283 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:01:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:29,285 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) [2024-04-05 03:01:29,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 03:01:29,620 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-05 03:01:29,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:29,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-05 03:01:29,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 211 proven. 52 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-04-05 03:01:30,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 93 proven. 172 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-05 03:01:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119055598] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:30,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 19] total 48 [2024-04-05 03:01:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29539223] [2024-04-05 03:01:30,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:30,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-05 03:01:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:30,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-05 03:01:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=1883, Unknown=0, NotChecked=0, Total=2256 [2024-04-05 03:01:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:30,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:30,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 11.1875) internal successors, (537), 48 states have internal predecessors, (537), 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) [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:30,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:31,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 03:01:31,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-05 03:01:31,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:31,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:31,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2073321373, now seen corresponding path program 7 times [2024-04-05 03:01:31,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:31,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935224729] [2024-04-05 03:01:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 162 proven. 185 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-04-05 03:01:32,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:32,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935224729] [2024-04-05 03:01:32,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935224729] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:32,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636995757] [2024-04-05 03:01:32,369 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:01:32,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:32,370 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:01:32,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 03:01:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:32,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 03:01:32,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 221 proven. 126 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-04-05 03:01:33,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 144 proven. 203 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-04-05 03:01:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636995757] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:34,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 69 [2024-04-05 03:01:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369028528] [2024-04-05 03:01:34,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:34,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-04-05 03:01:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-04-05 03:01:34,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=4155, Unknown=0, NotChecked=0, Total=4692 [2024-04-05 03:01:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:34,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:34,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.927536231884059) internal successors, (685), 69 states have internal predecessors, (685), 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) [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:34,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:35,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:35,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:35,596 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:35,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:35,597 INFO L85 PathProgramCache]: Analyzing trace with hash 3306155, now seen corresponding path program 8 times [2024-04-05 03:01:35,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:35,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754111464] [2024-04-05 03:01:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:35,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 03:01:36,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:36,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754111464] [2024-04-05 03:01:36,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754111464] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:36,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889535154] [2024-04-05 03:01:36,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:01:36,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:36,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:36,158 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:01:36,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 03:01:36,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:01:36,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:36,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-05 03:01:36,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 109 proven. 33 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-05 03:01:36,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-04-05 03:01:37,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889535154] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:37,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:37,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 14 [2024-04-05 03:01:37,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026579682] [2024-04-05 03:01:37,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:37,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 03:01:37,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:37,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 03:01:37,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-04-05 03:01:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:37,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:37,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.571428571428573) internal successors, (260), 14 states have internal predecessors, (260), 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) [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:37,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 03:01:40,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:40,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:40,982 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:40,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1170925898, now seen corresponding path program 9 times [2024-04-05 03:01:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105229277] [2024-04-05 03:01:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 311 proven. 255 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-04-05 03:01:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105229277] [2024-04-05 03:01:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105229277] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480436295] [2024-04-05 03:01:41,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:01:41,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:41,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:01:41,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 03:01:42,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 03:01:42,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:42,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-05 03:01:42,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 105 proven. 1 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-04-05 03:01:42,252 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 102 proven. 4 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-04-05 03:01:42,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480436295] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:42,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 6, 8] total 31 [2024-04-05 03:01:42,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095033020] [2024-04-05 03:01:42,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:42,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 03:01:42,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:42,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 03:01:42,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=824, Unknown=0, NotChecked=0, Total=930 [2024-04-05 03:01:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:42,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:42,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.548387096774194) internal successors, (451), 31 states have internal predecessors, (451), 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) [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 03:01:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:01:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:01:46,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 03:01:47,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-05 03:01:47,047 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:47,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash -35446134, now seen corresponding path program 10 times [2024-04-05 03:01:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877559444] [2024-04-05 03:01:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:47,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 142 proven. 468 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-04-05 03:01:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877559444] [2024-04-05 03:01:47,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877559444] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237955653] [2024-04-05 03:01:47,991 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:01:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:47,992 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:01:47,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 03:01:48,176 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:01:48,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:48,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 03:01:48,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 435 proven. 126 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-04-05 03:01:48,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 323 proven. 238 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-04-05 03:01:49,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237955653] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:49,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:49,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 70 [2024-04-05 03:01:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504837945] [2024-04-05 03:01:49,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:49,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-05 03:01:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:49,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-05 03:01:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=4325, Unknown=0, NotChecked=0, Total=4830 [2024-04-05 03:01:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:49,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 10.085714285714285) internal successors, (706), 70 states have internal predecessors, (706), 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) [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:01:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:01:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:01:54,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 03:01:55,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:55,027 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:01:55,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:01:55,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1220292094, now seen corresponding path program 11 times [2024-04-05 03:01:55,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:01:55,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779111885] [2024-04-05 03:01:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:01:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:01:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:01:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 231 proven. 475 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-04-05 03:01:56,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:01:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779111885] [2024-04-05 03:01:56,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779111885] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:01:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252714024] [2024-04-05 03:01:56,097 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:01:56,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:01:56,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:01:56,098 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:01:56,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 03:01:56,554 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-05 03:01:56,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:01:56,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 03:01:56,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:01:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 104 proven. 3 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2024-04-05 03:01:56,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:01:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-04-05 03:01:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252714024] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:01:56,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:01:56,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 8, 6] total 40 [2024-04-05 03:01:56,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319027738] [2024-04-05 03:01:56,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:01:56,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-05 03:01:56,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:01:56,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-05 03:01:56,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1388, Unknown=0, NotChecked=0, Total=1560 [2024-04-05 03:01:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:01:56,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:01:56,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 11.45) internal successors, (458), 40 states have internal predecessors, (458), 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) [2024-04-05 03:01:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:01:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:01:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:01:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:01:56,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:02:02,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:02:02,716 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 96 treesize of output 51 [2024-04-05 03:02:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash 357092836, now seen corresponding path program 1 times [2024-04-05 03:02:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:02:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:02:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 03:02:08,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 03:02:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 03:02:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:02:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:02:09,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-05 03:02:09,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-04-05 03:02:09,648 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:02:09,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:02:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1814328754, now seen corresponding path program 12 times [2024-04-05 03:02:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:02:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159476213] [2024-04-05 03:02:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:02:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:02:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:02:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 494 proven. 484 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-04-05 03:02:11,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:02:11,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159476213] [2024-04-05 03:02:11,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159476213] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:02:11,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342053621] [2024-04-05 03:02:11,054 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:02:11,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:02:11,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:02:11,055 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:02:11,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 03:02:12,117 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-05 03:02:12,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:02:12,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 03:02:12,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:02:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 195 proven. 54 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-04-05 03:02:12,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:02:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2024-04-05 03:02:12,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342053621] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:02:12,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:02:12,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 6, 5] total 39 [2024-04-05 03:02:12,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539584588] [2024-04-05 03:02:12,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:02:12,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-05 03:02:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:02:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-05 03:02:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1299, Unknown=0, NotChecked=0, Total=1482 [2024-04-05 03:02:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:02:12,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:02:12,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.307692307692308) internal successors, (519), 39 states have internal predecessors, (519), 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) [2024-04-05 03:02:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:02:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:02:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:02:12,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:02:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:02:33,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-05 03:02:33,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 03:02:33,486 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:02:33,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:02:33,487 INFO L85 PathProgramCache]: Analyzing trace with hash -702719572, now seen corresponding path program 13 times [2024-04-05 03:02:33,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:02:33,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18720895] [2024-04-05 03:02:33,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:02:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:02:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:02:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 390 proven. 519 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-04-05 03:02:34,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:02:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18720895] [2024-04-05 03:02:34,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18720895] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:02:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519913483] [2024-04-05 03:02:34,672 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:02:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:02:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:02:34,673 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:02:34,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 03:02:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:02:34,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-05 03:02:34,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:02:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 638 proven. 175 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-04-05 03:02:35,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:02:36,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 562 proven. 251 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-04-05 03:02:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519913483] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:02:36,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:02:36,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-05 03:02:36,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636230269] [2024-04-05 03:02:36,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:02:36,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-05 03:02:36,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:02:36,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-05 03:02:36,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=771, Invalid=4485, Unknown=0, NotChecked=0, Total=5256 [2024-04-05 03:02:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:02:36,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:02:36,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.876712328767123) internal successors, (648), 73 states have internal predecessors, (648), 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) [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:02:36,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:02:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:02:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:02:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:02:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:02:59,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 03:02:59,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:02:59,338 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:02:59,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:02:59,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1740510458, now seen corresponding path program 14 times [2024-04-05 03:02:59,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:02:59,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477634259] [2024-04-05 03:02:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:02:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:02:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:03:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 430 proven. 554 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-04-05 03:03:00,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:03:00,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477634259] [2024-04-05 03:03:00,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477634259] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:03:00,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634381279] [2024-04-05 03:03:00,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:03:00,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:03:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:03:00,593 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:03:00,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 03:03:00,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:03:00,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:03:00,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 03:03:00,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:03:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 691 proven. 232 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-04-05 03:03:01,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:03:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 605 proven. 318 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-04-05 03:03:02,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634381279] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:03:02,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:03:02,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-04-05 03:03:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937073479] [2024-04-05 03:03:02,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:03:02,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-05 03:03:02,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:03:02,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-05 03:03:02,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=5687, Unknown=0, NotChecked=0, Total=6642 [2024-04-05 03:03:02,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:03:02,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:03:02,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 8.634146341463415) internal successors, (708), 82 states have internal predecessors, (708), 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) [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:03:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:03:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:03:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:23,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-05 03:03:23,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:03:23,244 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:03:23,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:03:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash -648773024, now seen corresponding path program 15 times [2024-04-05 03:03:23,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:03:23,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254236507] [2024-04-05 03:03:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:03:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:03:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:03:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 480 proven. 577 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-04-05 03:03:24,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:03:24,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254236507] [2024-04-05 03:03:24,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254236507] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:03:24,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725832313] [2024-04-05 03:03:24,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:03:24,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:03:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:03:24,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:03:24,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 03:03:26,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 03:03:26,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:03:26,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 03:03:26,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:03:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 752 proven. 315 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-04-05 03:03:28,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:03:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 663 proven. 404 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-04-05 03:03:30,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725832313] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:03:30,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:03:30,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 101 [2024-04-05 03:03:30,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223584106] [2024-04-05 03:03:30,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:03:30,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-05 03:03:30,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:03:30,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-05 03:03:30,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1683, Invalid=8417, Unknown=0, NotChecked=0, Total=10100 [2024-04-05 03:03:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:03:30,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:03:30,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 9.603960396039604) internal successors, (970), 101 states have internal predecessors, (970), 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) [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:03:30,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:03:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:03:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:03:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:03:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:03:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:03:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:03:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:03:55,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-05 03:03:55,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-05 03:03:55,419 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:03:55,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:03:55,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1710170042, now seen corresponding path program 16 times [2024-04-05 03:03:55,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:03:55,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843483668] [2024-04-05 03:03:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:03:55,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:03:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:03:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 381 proven. 769 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-04-05 03:03:56,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:03:56,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843483668] [2024-04-05 03:03:56,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843483668] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:03:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151265268] [2024-04-05 03:03:56,918 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:03:56,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:03:56,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:03:56,919 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:03:56,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-05 03:03:57,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:03:57,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:03:57,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 03:03:57,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:03:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 788 proven. 370 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-04-05 03:03:58,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:03:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 638 proven. 520 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-04-05 03:03:59,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151265268] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:03:59,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:03:59,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-04-05 03:03:59,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585971277] [2024-04-05 03:03:59,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:03:59,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-05 03:03:59,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:03:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-05 03:03:59,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1443, Invalid=8457, Unknown=0, NotChecked=0, Total=9900 [2024-04-05 03:03:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:03:59,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:03:59,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 8.34) internal successors, (834), 100 states have internal predecessors, (834), 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) [2024-04-05 03:03:59,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:03:59,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:03:59,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:03:59,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:03:59,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:04:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:04:23,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-05 03:04:23,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:04:23,487 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:04:23,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:04:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2118983060, now seen corresponding path program 17 times [2024-04-05 03:04:23,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:04:23,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819459923] [2024-04-05 03:04:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:04:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:04:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:04:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 582 proven. 674 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-04-05 03:04:25,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:04:25,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819459923] [2024-04-05 03:04:25,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819459923] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:04:25,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290559334] [2024-04-05 03:04:25,066 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:04:25,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:04:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:04:25,067 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:04:25,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-05 03:04:27,728 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-04-05 03:04:27,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:04:27,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-05 03:04:27,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:04:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 678 proven. 574 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-05 03:04:29,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:04:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 730 proven. 522 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-05 03:04:31,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290559334] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:04:31,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:04:31,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 41, 40] total 116 [2024-04-05 03:04:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029437421] [2024-04-05 03:04:31,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:04:31,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-04-05 03:04:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:04:31,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-04-05 03:04:31,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2444, Invalid=10896, Unknown=0, NotChecked=0, Total=13340 [2024-04-05 03:04:31,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:04:31,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:04:31,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 8.956896551724139) internal successors, (1039), 116 states have internal predecessors, (1039), 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) [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:04:31,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:04:49,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:04:49,207 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 96 treesize of output 51 [2024-04-05 03:04:52,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2092318656, now seen corresponding path program 2 times [2024-04-05 03:04:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:04:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:04:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 03:04:52,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 03:04:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:04:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:04:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:04:59,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-05 03:04:59,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-04-05 03:04:59,670 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:04:59,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:04:59,671 INFO L85 PathProgramCache]: Analyzing trace with hash 506057502, now seen corresponding path program 18 times [2024-04-05 03:04:59,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:04:59,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467614743] [2024-04-05 03:04:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:04:59,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:04:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:05:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 272 proven. 256 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2024-04-05 03:05:01,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:05:01,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467614743] [2024-04-05 03:05:01,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467614743] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:05:01,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095168974] [2024-04-05 03:05:01,209 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:05:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:05:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:05:01,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:05:01,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-05 03:05:08,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-04-05 03:05:08,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:05:08,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-05 03:05:08,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:05:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 145 proven. 664 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2024-04-05 03:05:09,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:05:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 222 proven. 307 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2024-04-05 03:05:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095168974] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:05:09,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:05:09,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 28, 11] total 47 [2024-04-05 03:05:09,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216649537] [2024-04-05 03:05:09,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:05:09,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-05 03:05:09,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:05:09,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-05 03:05:09,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1910, Unknown=0, NotChecked=0, Total=2162 [2024-04-05 03:05:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:05:09,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:05:09,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 15.48936170212766) internal successors, (728), 47 states have internal predecessors, (728), 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) [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:05:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:05:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:05:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:05:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:05:09,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:06:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:06:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:06:45,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-05 03:06:45,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:06:45,281 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:06:45,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:06:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash 603056822, now seen corresponding path program 19 times [2024-04-05 03:06:45,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:06:45,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758359948] [2024-04-05 03:06:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:06:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:06:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:06:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9596 backedges. 4673 proven. 2098 refuted. 0 times theorem prover too weak. 2825 trivial. 0 not checked. [2024-04-05 03:06:48,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:06:48,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758359948] [2024-04-05 03:06:48,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758359948] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:06:48,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195386821] [2024-04-05 03:06:48,472 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:06:48,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:06:48,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:06:48,473 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:06:48,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-05 03:06:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:06:48,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 03:06:48,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:06:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9596 backedges. 4277 proven. 370 refuted. 0 times theorem prover too weak. 4949 trivial. 0 not checked. [2024-04-05 03:06:50,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:06:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9596 backedges. 4131 proven. 516 refuted. 0 times theorem prover too weak. 4949 trivial. 0 not checked. [2024-04-05 03:06:51,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195386821] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:06:51,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:06:51,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-04-05 03:06:51,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379374496] [2024-04-05 03:06:51,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:06:51,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-05 03:06:51,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:06:51,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-05 03:06:51,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1383, Invalid=8517, Unknown=0, NotChecked=0, Total=9900 [2024-04-05 03:06:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:06:51,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:06:51,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 8.73) internal successors, (873), 100 states have internal predecessors, (873), 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) [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:06:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:08:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:08:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:08:20,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-04-05 03:08:20,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-05 03:08:20,238 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:08:20,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:08:20,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2044209808, now seen corresponding path program 20 times [2024-04-05 03:08:20,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:08:20,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867287666] [2024-04-05 03:08:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:08:20,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:08:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:08:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9677 backedges. 4769 proven. 2219 refuted. 0 times theorem prover too weak. 2689 trivial. 0 not checked. [2024-04-05 03:08:23,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:08:23,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867287666] [2024-04-05 03:08:23,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867287666] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:08:23,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061346370] [2024-04-05 03:08:23,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:08:23,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:08:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:08:23,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:08:23,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-05 03:08:23,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:08:23,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:08:24,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-05 03:08:24,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:08:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9677 backedges. 4621 proven. 451 refuted. 0 times theorem prover too weak. 4605 trivial. 0 not checked. [2024-04-05 03:08:25,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:08:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 9677 backedges. 4459 proven. 613 refuted. 0 times theorem prover too weak. 4605 trivial. 0 not checked. [2024-04-05 03:08:27,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061346370] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:08:27,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:08:27,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 109 [2024-04-05 03:08:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199156069] [2024-04-05 03:08:27,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:08:27,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-04-05 03:08:27,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:08:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-04-05 03:08:27,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1627, Invalid=10145, Unknown=0, NotChecked=0, Total=11772 [2024-04-05 03:08:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:08:27,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:08:27,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 8.614678899082568) internal successors, (939), 109 states have internal predecessors, (939), 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) [2024-04-05 03:08:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:08:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:08:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:08:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:08:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:10:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:10:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:10:03,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-05 03:10:03,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-05 03:10:03,222 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 03:10:03,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:10:03,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1554648982, now seen corresponding path program 21 times [2024-04-05 03:10:03,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:10:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014323162] [2024-04-05 03:10:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:10:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:10:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:10:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 9766 backedges. 4879 proven. 2320 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2024-04-05 03:10:07,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:10:07,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014323162] [2024-04-05 03:10:07,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014323162] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:10:07,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824022649] [2024-04-05 03:10:07,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:10:07,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:10:07,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:10:07,181 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:10:07,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-05 03:10:16,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 03:10:16,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:10:16,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 03:10:16,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:10:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9766 backedges. 4351 proven. 85 refuted. 0 times theorem prover too weak. 5330 trivial. 0 not checked. [2024-04-05 03:10:17,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:10:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 9766 backedges. 4006 proven. 168 refuted. 0 times theorem prover too weak. 5592 trivial. 0 not checked. [2024-04-05 03:10:18,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824022649] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:10:18,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:10:18,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 27, 10] total 75 [2024-04-05 03:10:18,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426044272] [2024-04-05 03:10:18,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:10:18,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-04-05 03:10:18,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:10:18,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-04-05 03:10:18,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=4861, Unknown=0, NotChecked=0, Total=5550 [2024-04-05 03:10:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:10:18,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:10:18,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 10.666666666666666) internal successors, (800), 75 states have internal predecessors, (800), 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) [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 03:10:18,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-05 03:10:18,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-05 03:10:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:10:18,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-05 03:13:39,746 WARN L235 SmtUtils]: Removed 2 from assertion stack [2024-04-05 03:13:39,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-04-05 03:13:39,780 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:13:39,782 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:13:39,782 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-04-05 03:13:39,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-05 03:13:39,956 WARN L619 AbstractCegarLoop]: Verification canceled: while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. [2024-04-05 03:13:39,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-05 03:13:39,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-05 03:13:39,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-05 03:13:39,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-05 03:13:39,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-05 03:13:39,962 INFO L445 BasicCegarLoop]: Path program histogram: [21, 2, 1, 1, 1] [2024-04-05 03:13:39,964 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 03:13:39,964 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 03:13:39,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:13:39 BasicIcfg [2024-04-05 03:13:39,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 03:13:39,966 INFO L158 Benchmark]: Toolchain (without parser) took 754380.98ms. Allocated memory was 333.4MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 262.0MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-04-05 03:13:39,966 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 03:13:39,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.43ms. Allocated memory is still 333.4MB. Free memory was 261.8MB in the beginning and 301.1MB in the end (delta: -39.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-05 03:13:39,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.76ms. Allocated memory is still 333.4MB. Free memory was 301.1MB in the beginning and 298.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 03:13:39,966 INFO L158 Benchmark]: Boogie Preprocessor took 40.48ms. Allocated memory is still 333.4MB. Free memory was 298.5MB in the beginning and 296.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 03:13:39,967 INFO L158 Benchmark]: RCFGBuilder took 548.59ms. Allocated memory is still 333.4MB. Free memory was 295.9MB in the beginning and 246.6MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2024-04-05 03:13:39,967 INFO L158 Benchmark]: TraceAbstraction took 753409.50ms. Allocated memory was 333.4MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 245.6MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-04-05 03:13:39,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.43ms. Allocated memory is still 333.4MB. Free memory was 261.8MB in the beginning and 301.1MB in the end (delta: -39.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.76ms. Allocated memory is still 333.4MB. Free memory was 301.1MB in the beginning and 298.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.48ms. Allocated memory is still 333.4MB. Free memory was 298.5MB in the beginning and 296.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 548.59ms. Allocated memory is still 333.4MB. Free memory was 295.9MB in the beginning and 246.6MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * TraceAbstraction took 753409.50ms. Allocated memory was 333.4MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 245.6MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13605167, independent: 12429156, independent conditional: 12404676, independent unconditional: 24480, dependent: 1176011, dependent conditional: 1164980, dependent unconditional: 11031, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12538679, independent: 12429156, independent conditional: 12404676, independent unconditional: 24480, dependent: 109523, dependent conditional: 109264, dependent unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12538679, independent: 12429156, independent conditional: 12404676, independent unconditional: 24480, dependent: 109523, dependent conditional: 109264, dependent unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12538679, independent: 12429156, independent conditional: 12404676, independent unconditional: 24480, dependent: 109523, dependent conditional: 109264, dependent unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 726953, independent unconditional: 11702203, dependent: 1573412, dependent conditional: 1229118, dependent unconditional: 344294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 681454, independent unconditional: 11747702, dependent: 1573412, dependent conditional: 723727, dependent unconditional: 849685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 681454, independent unconditional: 11747702, dependent: 1573412, dependent conditional: 723727, dependent unconditional: 849685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1454, independent: 1168, independent conditional: 72, independent unconditional: 1096, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1454, independent: 1094, independent conditional: 0, independent unconditional: 1094, dependent: 360, dependent conditional: 0, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 360, independent: 74, independent conditional: 72, independent unconditional: 2, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 360, independent: 74, independent conditional: 72, independent unconditional: 2, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 747, independent: 137, independent conditional: 131, independent unconditional: 7, dependent: 610, dependent conditional: 517, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14002568, independent: 12427988, independent conditional: 681382, independent unconditional: 11746606, dependent: 1573126, dependent conditional: 723453, dependent unconditional: 849673, unknown: 1454, unknown conditional: 346, unknown unconditional: 1108] , Statistics on independence cache: Total cache size (in pairs): 1454, Positive cache size: 1168, Positive conditional cache size: 72, Positive unconditional cache size: 1096, Negative cache size: 286, Negative conditional cache size: 274, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 550890, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 726953, independent unconditional: 11702203, dependent: 1573412, dependent conditional: 1229118, dependent unconditional: 344294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 681454, independent unconditional: 11747702, dependent: 1573412, dependent conditional: 723727, dependent unconditional: 849685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14002568, independent: 12429156, independent conditional: 681454, independent unconditional: 11747702, dependent: 1573412, dependent conditional: 723727, dependent unconditional: 849685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1454, independent: 1168, independent conditional: 72, independent unconditional: 1096, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1454, independent: 1094, independent conditional: 0, independent unconditional: 1094, dependent: 360, dependent conditional: 0, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 360, independent: 74, independent conditional: 72, independent unconditional: 2, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 360, independent: 74, independent conditional: 72, independent unconditional: 2, dependent: 286, dependent conditional: 274, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 747, independent: 137, independent conditional: 131, independent unconditional: 7, dependent: 610, dependent conditional: 517, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14002568, independent: 12427988, independent conditional: 681382, independent unconditional: 11746606, dependent: 1573126, dependent conditional: 723453, dependent unconditional: 849673, unknown: 1454, unknown conditional: 346, unknown unconditional: 1108] , Statistics on independence cache: Total cache size (in pairs): 1454, Positive cache size: 1168, Positive conditional cache size: 72, Positive unconditional cache size: 1096, Negative cache size: 286, Negative conditional cache size: 274, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 550890 ], Independence queries for same thread: 1066488 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 254 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 753.2s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 660.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1041, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 26.0s SatisfiabilityAnalysisTime, 59.0s InterpolantComputationTime, 19921 NumberOfCodeBlocks, 18841 NumberOfCodeBlocksAsserted, 125 NumberOfCheckSat, 29672 ConstructedInterpolants, 0 QuantifiedInterpolants, 110063 SizeOfPredicates, 293 NumberOfNonLiveVariables, 22121 ConjunctsInSsa, 492 ConjunctsInUnsatCore, 64 InterpolantComputations, 1 PerfectInterpolantSequences, 119124/140588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown