/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 --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 12:09:30,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 12:09:30,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 12:09:30,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 12:09:30,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 12:09:30,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 12:09:30,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 12:09:30,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 12:09:30,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 12:09:30,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 12:09:30,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 12:09:30,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 12:09:30,363 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 12:09:30,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 12:09:30,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 12:09:30,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 12:09:30,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 12:09:30,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 12:09:30,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 12:09:30,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 12:09:30,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 12:09:30,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 12:09:30,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 12:09:30,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 12:09:30,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 12:09:30,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 12:09:30,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 12:09:30,366 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 12:09:30,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 12:09:30,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 12:09:30,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 12:09:30,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 12:09:30,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 12:09:30,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL [2024-05-03 12:09:30,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 12:09:30,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 12:09:30,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 12:09:30,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 12:09:30,597 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 12:09:30,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2024-05-03 12:09:31,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 12:09:31,783 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 12:09:31,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2024-05-03 12:09:31,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d5e5c663d/2ea5fddb5f5f434ba2f2ef62d8a0e8c6/FLAGdfaed7a23 [2024-05-03 12:09:31,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d5e5c663d/2ea5fddb5f5f434ba2f2ef62d8a0e8c6 [2024-05-03 12:09:31,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 12:09:31,812 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 12:09:31,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 12:09:31,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 12:09:31,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 12:09:31,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 12:09:31" (1/1) ... [2024-05-03 12:09:31,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138311a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:31, skipping insertion in model container [2024-05-03 12:09:31,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 12:09:31" (1/1) ... [2024-05-03 12:09:31,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 12:09:32,002 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2024-05-03 12:09:32,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 12:09:32,027 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 12:09:32,048 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2024-05-03 12:09:32,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 12:09:32,063 INFO L206 MainTranslator]: Completed translation [2024-05-03 12:09:32,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32 WrapperNode [2024-05-03 12:09:32,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 12:09:32,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 12:09:32,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 12:09:32,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 12:09:32,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,094 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 208 [2024-05-03 12:09:32,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 12:09:32,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 12:09:32,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 12:09:32,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 12:09:32,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 12:09:32,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 12:09:32,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 12:09:32,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 12:09:32,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (1/1) ... [2024-05-03 12:09:32,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 12:09:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 12:09:32,197 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) [2024-05-03 12:09:32,214 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 [2024-05-03 12:09:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 12:09:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 12:09:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 12:09:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 12:09:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 12:09:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 12:09:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 12:09:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 12:09:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 12:09:32,237 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 12:09:32,323 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 12:09:32,324 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 12:09:32,553 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 12:09:32,670 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 12:09:32,671 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-03 12:09:32,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 12:09:32 BoogieIcfgContainer [2024-05-03 12:09:32,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 12:09:32,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 12:09:32,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 12:09:32,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 12:09:32,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 12:09:31" (1/3) ... [2024-05-03 12:09:32,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab4b29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 12:09:32, skipping insertion in model container [2024-05-03 12:09:32,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:09:32" (2/3) ... [2024-05-03 12:09:32,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab4b29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 12:09:32, skipping insertion in model container [2024-05-03 12:09:32,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 12:09:32" (3/3) ... [2024-05-03 12:09:32,678 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2024-05-03 12:09:32,686 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 12:09:32,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 12:09:32,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 12:09:32,693 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 12:09:32,735 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 12:09:32,776 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 12:09:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 12:09:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 12:09:32,779 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) [2024-05-03 12:09:32,781 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 [2024-05-03 12:09:32,832 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 12:09:32,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 12:09:32,846 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;@506b574c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 12:09:32,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 12:09:32,991 INFO L78 Accepts]: Start accepts. Automaton has currently 230 states, but on-demand construction may add more states Word has length 153 [2024-05-03 12:09:32,992 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 12:09:32,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 12:09:32,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 12:09:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1336729450, now seen corresponding path program 1 times [2024-05-03 12:09:33,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 12:09:33,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780523024] [2024-05-03 12:09:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 12:09:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-03 12:09:33,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 12:09:33,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780523024] [2024-05-03 12:09:33,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780523024] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 12:09:33,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 12:09:33,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 12:09:33,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103101949] [2024-05-03 12:09:33,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 12:09:33,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 12:09:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 12:09:33,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 12:09:33,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 12:09:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 12:09:33,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 12:09:33,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,364 INFO L78 Accepts]: Start accepts. Automaton has currently 230 states, but on-demand construction may add more states Word has length 148 [2024-05-03 12:09:33,365 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 12:09:33,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 12:09:33,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 12:09:33,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 12:09:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1128140544, now seen corresponding path program 1 times [2024-05-03 12:09:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 12:09:33,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800025401] [2024-05-03 12:09:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:33,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 12:09:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 12:09:33,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 12:09:33,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800025401] [2024-05-03 12:09:33,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800025401] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 12:09:33,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 12:09:33,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 12:09:33,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542342322] [2024-05-03 12:09:33,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 12:09:33,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 12:09:33,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 12:09:33,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 12:09:33,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 12:09:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 12:09:33,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-05-03 12:09:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:33,893 INFO L78 Accepts]: Start accepts. Automaton has currently 238 states, but on-demand construction may add more states Word has length 156 [2024-05-03 12:09:33,895 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 12:09:33,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 12:09:33,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 12:09:33,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 12:09:33,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1695080500, now seen corresponding path program 1 times [2024-05-03 12:09:33,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 12:09:33,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642542943] [2024-05-03 12:09:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:33,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 12:09:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 12:09:34,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 12:09:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642542943] [2024-05-03 12:09:34,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642542943] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 12:09:34,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 12:09:34,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 12:09:34,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586858905] [2024-05-03 12:09:34,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 12:09:34,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 12:09:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 12:09:34,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 12:09:34,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 12:09:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:34,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 12:09:34,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 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) [2024-05-03 12:09:34,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:34,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:34,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:34,249 INFO L78 Accepts]: Start accepts. Automaton has currently 246 states, but on-demand construction may add more states Word has length 164 [2024-05-03 12:09:34,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 12:09:34,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 12:09:34,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 12:09:34,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 12:09:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2017402956, now seen corresponding path program 1 times [2024-05-03 12:09:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 12:09:34,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575247342] [2024-05-03 12:09:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 12:09:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 12:09:34,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 12:09:34,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575247342] [2024-05-03 12:09:34,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575247342] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 12:09:34,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688721249] [2024-05-03 12:09:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 12:09:34,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 12:09:34,517 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) [2024-05-03 12:09:34,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 12:09:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:34,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 12:09:34,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 12:09:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 12:09:34,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 12:09:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 12:09:35,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688721249] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 12:09:35,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 12:09:35,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-03 12:09:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556307919] [2024-05-03 12:09:35,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 12:09:35,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 12:09:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 12:09:35,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 12:09:35,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-03 12:09:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:35,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 12:09:35,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.736842105263158) internal successors, (223), 19 states have internal predecessors, (223), 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) [2024-05-03 12:09:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:35,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:35,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:09:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:09:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 12:09:35,334 INFO L78 Accepts]: Start accepts. Automaton has currently 255 states, but on-demand construction may add more states Word has length 166 [2024-05-03 12:09:35,335 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 12:09:35,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-03 12:09:35,540 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 [2024-05-03 12:09:35,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 12:09:35,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 12:09:35,541 INFO L85 PathProgramCache]: Analyzing trace with hash -280705502, now seen corresponding path program 2 times [2024-05-03 12:09:35,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 12:09:35,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737032181] [2024-05-03 12:09:35,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 12:09:35,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 12:09:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 12:09:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 12:09:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 12:09:40,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737032181] [2024-05-03 12:09:40,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737032181] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 12:09:40,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234327705] [2024-05-03 12:09:40,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 12:09:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 12:09:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 12:09:40,377 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) [2024-05-03 12:09:40,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 12:09:40,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 12:09:40,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 12:09:40,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 87 conjunts are in the unsatisfiable core [2024-05-03 12:09:40,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 12:09:41,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-05-03 12:09:41,524 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 23 treesize of output 1 [2024-05-03 12:09:42,731 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-03 12:09:42,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-05-03 12:09:43,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-05-03 12:09:43,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-03 12:09:44,401 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 [2024-05-03 12:09:44,597 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 [2024-05-03 12:09:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 12:09:45,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 12:09:50,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:50,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 113 treesize of output 95 [2024-05-03 12:09:50,057 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:50,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 137 treesize of output 112 [2024-05-03 12:09:55,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:55,170 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 162 treesize of output 114 [2024-05-03 12:09:55,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:55,197 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 2183 treesize of output 2111 [2024-05-03 12:09:55,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:55,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1053 treesize of output 893 [2024-05-03 12:09:55,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:55,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 783 treesize of output 773 [2024-05-03 12:09:55,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:09:55,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 698 treesize of output 658 [2024-05-03 12:10:40,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:10:40,805 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 133 treesize of output 97 [2024-05-03 12:10:40,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:10:40,825 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 603 treesize of output 595 [2024-05-03 12:10:40,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:10:40,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 386 treesize of output 394 [2024-05-03 12:10:40,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:10:40,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 371 [2024-05-03 12:10:40,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:10:40,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 244 treesize of output 300 [2024-05-03 12:11:09,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 12:11:09,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 334 treesize of output 929 [2024-05-03 12:14:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 12:14:19,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234327705] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 12:14:19,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 12:14:19,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 46, 45] total 122 [2024-05-03 12:14:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540507484] [2024-05-03 12:14:19,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 12:14:19,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-03 12:14:19,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 12:14:19,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-03 12:14:19,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1539, Invalid=13137, Unknown=86, NotChecked=0, Total=14762 [2024-05-03 12:14:19,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:14:19,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 12:14:19,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 3.680327868852459) internal successors, (449), 122 states have internal predecessors, (449), 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) [2024-05-03 12:14:19,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:14:19,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:14:19,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 12:14:19,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 12:14:19,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 12:14:29,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-05-03 12:14:29,879 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-05-03 12:14:29,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-03 12:14:30,084 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 [2024-05-03 12:14:30,085 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:950) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:235) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 52 more [2024-05-03 12:14:30,090 INFO L158 Benchmark]: Toolchain (without parser) took 298277.86ms. Allocated memory was 297.8MB in the beginning and 997.2MB in the end (delta: 699.4MB). Free memory was 225.0MB in the beginning and 935.4MB in the end (delta: -710.4MB). Peak memory consumption was 570.8MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,091 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 12:14:30,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.27ms. Allocated memory is still 297.8MB. Free memory was 224.8MB in the beginning and 212.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.39ms. Allocated memory is still 297.8MB. Free memory was 212.4MB in the beginning and 210.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,091 INFO L158 Benchmark]: Boogie Preprocessor took 52.88ms. Allocated memory is still 297.8MB. Free memory was 210.2MB in the beginning and 265.2MB in the end (delta: -55.0MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,091 INFO L158 Benchmark]: RCFGBuilder took 522.70ms. Allocated memory is still 297.8MB. Free memory was 265.2MB in the beginning and 234.7MB in the end (delta: 30.5MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,092 INFO L158 Benchmark]: TraceAbstraction took 297416.35ms. Allocated memory was 297.8MB in the beginning and 997.2MB in the end (delta: 699.4MB). Free memory was 233.6MB in the beginning and 935.4MB in the end (delta: -701.8MB). Peak memory consumption was 579.0MB. Max. memory is 8.0GB. [2024-05-03 12:14:30,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.27ms. Allocated memory is still 297.8MB. Free memory was 224.8MB in the beginning and 212.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.39ms. Allocated memory is still 297.8MB. Free memory was 212.4MB in the beginning and 210.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.88ms. Allocated memory is still 297.8MB. Free memory was 210.2MB in the beginning and 265.2MB in the end (delta: -55.0MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * RCFGBuilder took 522.70ms. Allocated memory is still 297.8MB. Free memory was 265.2MB in the beginning and 234.7MB in the end (delta: 30.5MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 297416.35ms. Allocated memory was 297.8MB in the beginning and 997.2MB in the end (delta: 699.4MB). Free memory was 233.6MB in the beginning and 935.4MB in the end (delta: -701.8MB). Peak memory consumption was 579.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-03 12:14:30,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...