/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 11:37:24,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 11:37:24,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 11:37:24,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 11:37:24,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 11:37:24,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 11:37:24,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 11:37:24,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 11:37:24,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 11:37:24,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 11:37:24,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 11:37:24,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 11:37:24,262 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 11:37:24,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 11:37:24,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 11:37:24,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 11:37:24,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 11:37:24,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 11:37:24,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 11:37:24,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 11:37:24,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 11:37:24,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 11:37:24,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 11:37:24,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 11:37:24,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 11:37:24,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 11:37:24,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 11:37:24,267 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 11:37:24,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 11:37:24,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 11:37:24,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 11:37:24,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 11:37:24,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 11:37:24,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 11:37:24,269 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 11:37:24,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 11:37:24,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 11:37:24,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 11:37:24,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 11:37:24,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-05-05 11:37:24,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 11:37:24,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 11:37:24,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 11:37:24,563 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 11:37:24,563 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 11:37:24,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-05-05 11:37:25,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 11:37:25,961 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 11:37:25,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-05-05 11:37:25,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c66a53ca/83921bcad52f45dfb4e8f0e25905d4e8/FLAGbb830c0b0 [2024-05-05 11:37:25,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c66a53ca/83921bcad52f45dfb4e8f0e25905d4e8 [2024-05-05 11:37:25,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 11:37:25,983 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 11:37:25,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 11:37:25,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 11:37:25,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 11:37:25,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 11:37:25" (1/1) ... [2024-05-05 11:37:25,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ac3ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:25, skipping insertion in model container [2024-05-05 11:37:25,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 11:37:25" (1/1) ... [2024-05-05 11:37:26,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 11:37:26,167 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/unroll-5.wvr.c[2644,2657] [2024-05-05 11:37:26,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 11:37:26,190 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 11:37:26,207 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/unroll-5.wvr.c[2644,2657] [2024-05-05 11:37:26,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 11:37:26,224 INFO L206 MainTranslator]: Completed translation [2024-05-05 11:37:26,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26 WrapperNode [2024-05-05 11:37:26,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 11:37:26,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 11:37:26,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 11:37:26,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 11:37:26,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,264 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 167 [2024-05-05 11:37:26,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 11:37:26,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 11:37:26,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 11:37:26,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 11:37:26,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 11:37:26,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 11:37:26,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 11:37:26,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 11:37:26,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (1/1) ... [2024-05-05 11:37:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 11:37:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 11:37:26,342 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) [2024-05-05 11:37:26,368 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 [2024-05-05 11:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 11:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 11:37:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 11:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 11:37:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 11:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 11:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 11:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 11:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 11:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 11:37:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 11:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 11:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 11:37:26,403 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 11:37:26,533 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 11:37:26,535 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 11:37:26,881 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 11:37:26,893 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 11:37:26,894 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-05 11:37:26,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 11:37:26 BoogieIcfgContainer [2024-05-05 11:37:26,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 11:37:26,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 11:37:26,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 11:37:26,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 11:37:26,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 11:37:25" (1/3) ... [2024-05-05 11:37:26,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e62dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 11:37:26, skipping insertion in model container [2024-05-05 11:37:26,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 11:37:26" (2/3) ... [2024-05-05 11:37:26,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e62dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 11:37:26, skipping insertion in model container [2024-05-05 11:37:26,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 11:37:26" (3/3) ... [2024-05-05 11:37:26,903 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2024-05-05 11:37:26,916 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 11:37:26,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 11:37:26,929 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 11:37:26,929 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 11:37:27,093 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 11:37:27,144 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 11:37:27,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 11:37:27,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 11:37:27,150 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) [2024-05-05 11:37:27,181 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 [2024-05-05 11:37:27,195 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 11:37:27,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:37:27,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 11:37:27,222 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;@375b3bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 11:37:27,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 11:37:27,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 11:37:27,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:37:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash -4097251, now seen corresponding path program 1 times [2024-05-05 11:37:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 11:37:27,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980096088] [2024-05-05 11:37:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:37:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 11:37:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:37:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 11:37:27,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 11:37:27,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980096088] [2024-05-05 11:37:27,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980096088] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 11:37:27,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 11:37:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 11:37:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647750560] [2024-05-05 11:37:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 11:37:27,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 11:37:27,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 11:37:27,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 11:37:27,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 11:37:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:27,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 11:37:27,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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) [2024-05-05 11:37:27,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:27,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:27,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 11:37:27,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 11:37:27,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:37:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 685175136, now seen corresponding path program 1 times [2024-05-05 11:37:27,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 11:37:27,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072136814] [2024-05-05 11:37:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:37:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 11:37:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:37:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 11:37:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 11:37:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072136814] [2024-05-05 11:37:28,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072136814] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 11:37:28,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 11:37:28,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 11:37:28,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613115822] [2024-05-05 11:37:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 11:37:28,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 11:37:28,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 11:37:28,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 11:37:28,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-05 11:37:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:28,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 11:37:28,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 11:37:28,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:28,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:28,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:28,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 11:37:28,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 11:37:28,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 11:37:28,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:37:28,587 INFO L85 PathProgramCache]: Analyzing trace with hash -742138288, now seen corresponding path program 1 times [2024-05-05 11:37:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 11:37:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42698286] [2024-05-05 11:37:28,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:37:28,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 11:37:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:37:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-05 11:37:29,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 11:37:29,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42698286] [2024-05-05 11:37:29,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42698286] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 11:37:29,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 11:37:29,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 11:37:29,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938671970] [2024-05-05 11:37:29,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 11:37:29,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 11:37:29,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 11:37:29,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 11:37:29,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-05-05 11:37:29,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:29,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 11:37:29,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 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) [2024-05-05 11:37:29,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:29,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 11:37:29,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 11:37:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 11:37:29,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 11:37:29,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 11:37:29,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:37:29,166 INFO L85 PathProgramCache]: Analyzing trace with hash 394769326, now seen corresponding path program 1 times [2024-05-05 11:37:29,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 11:37:29,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007069416] [2024-05-05 11:37:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:37:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 11:37:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:37:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 11:37:39,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 11:37:39,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007069416] [2024-05-05 11:37:39,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007069416] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 11:37:39,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841067749] [2024-05-05 11:37:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:37:39,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 11:37:39,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 11:37:39,206 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) [2024-05-05 11:37:39,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 11:37:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:37:39,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-05 11:37:39,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 11:37:43,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-05 11:37:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 11:37:43,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 11:37:44,035 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 11:37:44,036 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 19 treesize of output 7 [2024-05-05 11:37:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 11:37:45,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841067749] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 11:37:45,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 11:37:45,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 20] total 60 [2024-05-05 11:37:45,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653102799] [2024-05-05 11:37:45,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 11:37:45,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-05 11:37:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 11:37:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-05 11:37:45,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=3285, Unknown=2, NotChecked=0, Total=3540 [2024-05-05 11:37:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:45,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 11:37:45,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.133333333333333) internal successors, (488), 60 states have internal predecessors, (488), 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) [2024-05-05 11:37:45,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:37:45,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 11:37:45,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 11:37:45,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:38:10,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:38:17,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:38:24,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:04,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-05 11:39:13,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:40,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:42,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:43,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:46,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:54,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:39:56,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:40:17,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-05-05 11:40:23,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 11:40:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 11:40:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 11:40:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 11:40:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-05 11:40:23,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 11:40:24,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 11:40:24,070 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 11:40:24,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 11:40:24,071 INFO L85 PathProgramCache]: Analyzing trace with hash -448661127, now seen corresponding path program 2 times [2024-05-05 11:40:24,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 11:40:24,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588008660] [2024-05-05 11:40:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 11:40:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 11:40:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 11:40:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 3 proven. 225 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-05 11:40:25,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 11:40:25,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588008660] [2024-05-05 11:40:25,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588008660] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 11:40:25,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614065773] [2024-05-05 11:40:25,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 11:40:25,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 11:40:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 11:40:25,257 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) [2024-05-05 11:40:25,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 11:40:25,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 11:40:25,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 11:40:25,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 190 conjunts are in the unsatisfiable core [2024-05-05 11:40:25,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 11:40:26,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-05 11:40:27,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-05 11:40:27,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-05 11:40:33,483 INFO L349 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2024-05-05 11:40:33,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 40 [2024-05-05 11:40:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 21 proven. 196 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-05 11:40:33,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 11:42:20,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 11:42:20,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 5472 treesize of output 3012 [2024-05-05 11:42:25,554 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 655 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-05 11:42:25,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 11:42:25,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 13634 treesize of output 11818 [2024-05-05 11:42:31,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 11:42:31,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 3109 treesize of output 2117 [2024-05-05 11:43:15,253 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-05 11:43:16,248 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-05 11:43:25,475 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-05 11:43:26,362 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-05 11:43:29,299 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-05 11:43:30,214 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-05 11:44:11,058 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-05 11:44:26,073 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-05 11:44:30,161 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-05-05 11:49:22,876 WARN L293 SmtUtils]: Spent 4.87m on a formula simplification. DAG size of input: 4281 DAG size of output: 2231 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-05-05 11:50:28,804 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. Received shutdown request... [2024-05-05 11:51:41,453 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 11:51:41,454 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 [2024-05-05 11:51:41,454 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 [2024-05-05 11:51:41,562 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-05 11:51:41,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 11:51:41,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 11:51:41,769 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 48 xjuncts wrt. a ∧-3864-49-32-6-3-2-2-1 context. [2024-05-05 11:51:41,771 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-05 11:51:41,771 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-05 11:51:41,774 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-05 11:51:41,777 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 11:51:41,777 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 11:51:41,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 11:51:41 BasicIcfg [2024-05-05 11:51:41,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 11:51:41,780 INFO L158 Benchmark]: Toolchain (without parser) took 855796.75ms. Allocated memory was 249.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 178.9MB in the beginning and 772.6MB in the end (delta: -593.7MB). Peak memory consumption was 916.7MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,780 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 11:51:41,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.62ms. Allocated memory is still 249.6MB. Free memory was 178.7MB in the beginning and 166.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 249.6MB. Free memory was 166.9MB in the beginning and 164.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,781 INFO L158 Benchmark]: Boogie Preprocessor took 28.13ms. Allocated memory is still 249.6MB. Free memory was 164.8MB in the beginning and 162.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,781 INFO L158 Benchmark]: RCFGBuilder took 601.39ms. Allocated memory is still 249.6MB. Free memory was 162.9MB in the beginning and 143.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,781 INFO L158 Benchmark]: TraceAbstraction took 854881.79ms. Allocated memory was 249.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 142.8MB in the beginning and 772.6MB in the end (delta: -629.9MB). Peak memory consumption was 881.0MB. Max. memory is 8.0GB. [2024-05-05 11:51:41,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.62ms. Allocated memory is still 249.6MB. Free memory was 178.7MB in the beginning and 166.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 249.6MB. Free memory was 166.9MB in the beginning and 164.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.13ms. Allocated memory is still 249.6MB. Free memory was 164.8MB in the beginning and 162.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.39ms. Allocated memory is still 249.6MB. Free memory was 162.9MB in the beginning and 143.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 854881.79ms. Allocated memory was 249.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 142.8MB in the beginning and 772.6MB in the end (delta: -629.9MB). Peak memory consumption was 881.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8007, independent: 6660, independent conditional: 6659, independent unconditional: 1, dependent: 1347, dependent conditional: 1347, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 6659, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 6659, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 6659, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 674, independent unconditional: 5986, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 671, independent unconditional: 5989, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 671, independent unconditional: 5989, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1764, independent: 1764, independent conditional: 38, independent unconditional: 1726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1764, independent: 1764, independent conditional: 0, independent unconditional: 1764, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6660, independent: 4896, independent conditional: 633, independent unconditional: 4263, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1764, unknown conditional: 38, unknown unconditional: 1726] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1764, Positive conditional cache size: 38, Positive unconditional cache size: 1726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 674, independent unconditional: 5986, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 671, independent unconditional: 5989, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6660, independent: 6660, independent conditional: 671, independent unconditional: 5989, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1764, independent: 1764, independent conditional: 38, independent unconditional: 1726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1764, independent: 1764, independent conditional: 0, independent unconditional: 1764, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6660, independent: 4896, independent conditional: 633, independent unconditional: 4263, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1764, unknown conditional: 38, unknown unconditional: 1726] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1764, Positive conditional cache size: 38, Positive unconditional cache size: 1726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3 ], Independence queries for same thread: 1347 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 48 xjuncts wrt. a ∧-3864-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 48 xjuncts wrt. a ∧-3864-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 48 xjuncts wrt. a ∧-3864-49-32-6-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 287 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 854.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 159.2s, 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: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 968 ConstructedInterpolants, 14 QuantifiedInterpolants, 10573 SizeOfPredicates, 29 NumberOfNonLiveVariables, 353 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 21/69 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown