./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 13:58:36,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 13:58:36,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 13:58:36,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 13:58:36,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 13:58:36,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 13:58:36,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 13:58:36,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 13:58:36,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 13:58:36,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 13:58:36,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 13:58:36,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 13:58:36,197 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 13:58:36,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 13:58:36,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 13:58:36,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 13:58:36,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 13:58:36,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 13:58:36,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 13:58:36,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 13:58:36,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 13:58:36,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 13:58:36,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 13:58:36,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 13:58:36,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 13:58:36,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 13:58:36,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 13:58:36,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 13:58:36,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 13:58:36,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 13:58:36,205 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 13:58:36,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 13:58:36,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 13:58:36,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 13:58:36,206 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 13:58:36,206 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 13:58:36,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce [2024-09-22 13:58:36,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 13:58:36,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 13:58:36,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 13:58:36,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 13:58:36,416 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 13:58:36,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-09-22 13:58:37,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 13:58:37,753 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 13:58:37,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-09-22 13:58:37,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d49f759e5/9f07994d895e41049f135dada2ee9452/FLAGb112d4588 [2024-09-22 13:58:37,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d49f759e5/9f07994d895e41049f135dada2ee9452 [2024-09-22 13:58:37,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 13:58:37,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-22 13:58:37,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 13:58:37,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 13:58:37,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 13:58:37,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:37,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37493191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37, skipping insertion in model container [2024-09-22 13:58:37,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:37,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 13:58:37,925 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-09-22 13:58:37,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 13:58:37,935 INFO L200 MainTranslator]: Completed pre-run [2024-09-22 13:58:37,948 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-09-22 13:58:37,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 13:58:37,963 INFO L204 MainTranslator]: Completed translation [2024-09-22 13:58:37,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37 WrapperNode [2024-09-22 13:58:37,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 13:58:37,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 13:58:37,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 13:58:37,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 13:58:37,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:37,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:37,994 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-09-22 13:58:37,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 13:58:37,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 13:58:37,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 13:58:37,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 13:58:38,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 13:58:38,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 13:58:38,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 13:58:38,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 13:58:38,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (1/1) ... [2024-09-22 13:58:38,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 13:58:38,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:38,054 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) [2024-09-22 13:58:38,056 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 [2024-09-22 13:58:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 13:58:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 13:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 13:58:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 13:58:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 13:58:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 13:58:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 13:58:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 13:58:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 13:58:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 13:58:38,095 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 13:58:38,158 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 13:58:38,160 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 13:58:38,277 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 13:58:38,277 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 13:58:38,390 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 13:58:38,390 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-22 13:58:38,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:58:38 BoogieIcfgContainer [2024-09-22 13:58:38,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 13:58:38,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 13:58:38,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 13:58:38,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 13:58:38,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 01:58:37" (1/3) ... [2024-09-22 13:58:38,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98d12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 01:58:38, skipping insertion in model container [2024-09-22 13:58:38,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:58:37" (2/3) ... [2024-09-22 13:58:38,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98d12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 01:58:38, skipping insertion in model container [2024-09-22 13:58:38,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:58:38" (3/3) ... [2024-09-22 13:58:38,396 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-09-22 13:58:38,408 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 13:58:38,409 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-22 13:58:38,409 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 13:58:38,443 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-22 13:58:38,479 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 13:58:38,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 13:58:38,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:38,481 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) [2024-09-22 13:58:38,482 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 [2024-09-22 13:58:38,507 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 13:58:38,516 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 13:58:38,521 INFO L336 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, 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;@bf355b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 13:58:38,521 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-22 13:58:38,600 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:38,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 111739381, now seen corresponding path program 1 times [2024-09-22 13:58:38,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:38,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131556227] [2024-09-22 13:58:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:39,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:39,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131556227] [2024-09-22 13:58:39,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131556227] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889981863] [2024-09-22 13:58:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:39,255 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) [2024-09-22 13:58:39,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 13:58:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:39,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-22 13:58:39,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:58:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:39,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:58:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889981863] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:58:39,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:58:39,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-09-22 13:58:39,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056096574] [2024-09-22 13:58:39,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:58:39,806 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-22 13:58:39,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:39,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-22 13:58:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-09-22 13:58:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:39,830 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:39,832 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 24 states have internal predecessors, (43), 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) [2024-09-22 13:58:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 13:58:40,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-22 13:58:40,836 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-09-22 13:58:40,837 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:40,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1769255705, now seen corresponding path program 1 times [2024-09-22 13:58:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:40,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601055550] [2024-09-22 13:58:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:41,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:41,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601055550] [2024-09-22 13:58:41,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601055550] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:41,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364436211] [2024-09-22 13:58:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:41,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:41,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:41,182 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) [2024-09-22 13:58:41,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 13:58:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:41,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-22 13:58:41,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:58:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:41,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:58:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:58:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364436211] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:58:41,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:58:41,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 14] total 37 [2024-09-22 13:58:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693533794] [2024-09-22 13:58:41,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:58:41,746 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-22 13:58:41,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:41,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-22 13:58:41,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1229, Unknown=0, NotChecked=0, Total=1406 [2024-09-22 13:58:41,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:41,748 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:41,748 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 37 states have internal predecessors, (60), 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) [2024-09-22 13:58:41,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 13:58:41,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-22 13:58:43,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-09-22 13:58:43,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-22 13:58:43,373 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:43,374 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:43,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:43,374 INFO L85 PathProgramCache]: Analyzing trace with hash 674039691, now seen corresponding path program 2 times [2024-09-22 13:58:43,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:43,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280467773] [2024-09-22 13:58:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 13:58:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280467773] [2024-09-22 13:58:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280467773] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:58:43,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:58:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 13:58:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414076742] [2024-09-22 13:58:43,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:58:43,436 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 13:58:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:43,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 13:58:43,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 13:58:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:43,436 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:43,436 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-09-22 13:58:43,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-22 13:58:43,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-09-22 13:58:43,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-09-22 13:58:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:43,639 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-22 13:58:43,639 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:43,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:43,639 INFO L85 PathProgramCache]: Analyzing trace with hash 443816707, now seen corresponding path program 3 times [2024-09-22 13:58:43,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:43,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54139041] [2024-09-22 13:58:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-22 13:58:44,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54139041] [2024-09-22 13:58:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54139041] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132091779] [2024-09-22 13:58:44,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 13:58:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:44,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:44,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:58:44,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 13:58:44,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-22 13:58:44,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:58:44,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-22 13:58:44,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:58:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:44,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:58:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-22 13:58:45,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132091779] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:58:45,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:58:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 19] total 60 [2024-09-22 13:58:45,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051768094] [2024-09-22 13:58:45,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:58:45,387 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-09-22 13:58:45,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:45,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-09-22 13:58:45,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3292, Unknown=0, NotChecked=0, Total=3660 [2024-09-22 13:58:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:45,389 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:45,390 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.721311475409836) internal successors, (105), 60 states have internal predecessors, (105), 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) [2024-09-22 13:58:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-09-22 13:58:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-09-22 13:58:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-22 13:58:48,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-22 13:58:48,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:48,411 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:48,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1692201618, now seen corresponding path program 4 times [2024-09-22 13:58:48,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:48,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584821540] [2024-09-22 13:58:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:48,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-09-22 13:58:48,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:48,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584821540] [2024-09-22 13:58:48,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584821540] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:48,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692361929] [2024-09-22 13:58:48,955 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 13:58:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:48,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:58:48,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 13:58:49,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 13:58:49,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:58:49,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-09-22 13:58:49,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:58:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:49,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:58:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-22 13:58:50,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692361929] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:58:50,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:58:50,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 41, 16] total 64 [2024-09-22 13:58:50,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317517122] [2024-09-22 13:58:50,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:58:50,128 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-09-22 13:58:50,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-09-22 13:58:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3899, Unknown=0, NotChecked=0, Total=4160 [2024-09-22 13:58:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:50,131 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:50,131 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.676923076923077) internal successors, (109), 64 states have internal predecessors, (109), 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) [2024-09-22 13:58:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-09-22 13:58:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-22 13:58:50,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:58:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-22 13:58:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:58:53,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-22 13:58:53,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:53,411 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:53,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 549771533, now seen corresponding path program 5 times [2024-09-22 13:58:53,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:53,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934696614] [2024-09-22 13:58:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-09-22 13:58:53,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934696614] [2024-09-22 13:58:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934696614] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396981100] [2024-09-22 13:58:53,844 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 13:58:53,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:53,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:58:53,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 13:58:53,894 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-09-22 13:58:53,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:58:53,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-09-22 13:58:53,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:58:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:58:54,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:58:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-09-22 13:58:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396981100] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:58:55,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:58:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 41, 14] total 62 [2024-09-22 13:58:55,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887244832] [2024-09-22 13:58:55,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:58:55,003 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-09-22 13:58:55,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:58:55,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-09-22 13:58:55,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3646, Unknown=0, NotChecked=0, Total=3906 [2024-09-22 13:58:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:55,006 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:58:55,006 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 62 states have internal predecessors, (100), 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) [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:58:55,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:58:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:58:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:58:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:58:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:58:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:58:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:58:58,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-22 13:58:58,647 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:58,648 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:58:58,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:58:58,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1294658581, now seen corresponding path program 6 times [2024-09-22 13:58:58,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:58:58,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489595215] [2024-09-22 13:58:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:58:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:58:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:58:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-09-22 13:58:59,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:58:59,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489595215] [2024-09-22 13:58:59,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489595215] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:58:59,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600963753] [2024-09-22 13:58:59,126 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 13:58:59,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:58:59,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:58:59,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:58:59,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 13:58:59,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-09-22 13:58:59,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:58:59,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-09-22 13:58:59,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:59:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:59:00,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:59:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 102 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-09-22 13:59:00,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600963753] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:59:00,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:59:00,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 47, 15] total 69 [2024-09-22 13:59:00,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701468043] [2024-09-22 13:59:00,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:59:00,406 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-22 13:59:00,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:59:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-22 13:59:00,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=4551, Unknown=0, NotChecked=0, Total=4830 [2024-09-22 13:59:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:00,408 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:59:00,409 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 69 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:59:00,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:59:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-09-22 13:59:03,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-22 13:59:04,184 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-22 13:59:04,185 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:59:04,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:59:04,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1582485497, now seen corresponding path program 7 times [2024-09-22 13:59:04,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:59:04,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749317361] [2024-09-22 13:59:04,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:59:04,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:59:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:59:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-09-22 13:59:04,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:59:04,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749317361] [2024-09-22 13:59:04,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749317361] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:59:04,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391967285] [2024-09-22 13:59:04,398 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 13:59:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:59:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:59:04,400 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:59:04,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 13:59:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:59:04,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 13:59:04,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:59:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-09-22 13:59:04,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:59:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-09-22 13:59:04,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391967285] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:59:04,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:59:04,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-09-22 13:59:04,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241842528] [2024-09-22 13:59:04,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:59:04,681 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 13:59:04,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:59:04,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 13:59:04,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-22 13:59:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:04,682 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:59:04,682 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-09-22 13:59:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:59:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-09-22 13:59:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:04,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 13:59:04,969 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:59:04,970 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:59:04,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:59:04,971 INFO L85 PathProgramCache]: Analyzing trace with hash -884091158, now seen corresponding path program 8 times [2024-09-22 13:59:04,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:59:04,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502904250] [2024-09-22 13:59:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:59:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:59:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:59:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-22 13:59:05,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:59:05,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502904250] [2024-09-22 13:59:05,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502904250] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:59:05,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618020108] [2024-09-22 13:59:05,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:59:05,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:59:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:59:05,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:59:05,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 13:59:05,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 13:59:05,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:59:05,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-09-22 13:59:05,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:59:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:59:07,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:59:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 6 proven. 176 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-09-22 13:59:07,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618020108] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:59:07,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:59:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 58, 16] total 81 [2024-09-22 13:59:07,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890394318] [2024-09-22 13:59:07,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:59:07,335 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-09-22 13:59:07,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:59:07,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-09-22 13:59:07,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=6319, Unknown=0, NotChecked=0, Total=6642 [2024-09-22 13:59:07,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:07,340 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:59:07,340 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.7073170731707317) internal successors, (140), 81 states have internal predecessors, (140), 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) [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-09-22 13:59:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-09-22 13:59:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-09-22 13:59:12,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-22 13:59:12,867 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:59:12,867 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:59:12,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:59:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash -353144721, now seen corresponding path program 2 times [2024-09-22 13:59:12,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:59:12,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514092373] [2024-09-22 13:59:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:59:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:59:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:59:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-22 13:59:13,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:59:13,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514092373] [2024-09-22 13:59:13,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514092373] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:59:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59635991] [2024-09-22 13:59:13,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:59:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:59:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:59:13,018 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:59:13,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 13:59:13,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 13:59:13,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:59:13,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-22 13:59:13,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:59:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:59:13,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:59:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:59:13,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59635991] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:59:13,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:59:13,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 39 [2024-09-22 13:59:13,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204970006] [2024-09-22 13:59:13,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:59:13,604 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-22 13:59:13,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:59:13,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-22 13:59:13,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1368, Unknown=0, NotChecked=0, Total=1560 [2024-09-22 13:59:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:13,605 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:59:13,605 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 39 states have internal predecessors, (67), 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) [2024-09-22 13:59:13,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:59:13,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-09-22 13:59:13,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-09-22 13:59:13,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:14,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-09-22 13:59:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-22 13:59:14,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-22 13:59:14,984 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 13:59:14,985 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:59:14,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:59:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -231718563, now seen corresponding path program 1 times [2024-09-22 13:59:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:59:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736336578] [2024-09-22 13:59:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:59:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:59:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:59:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:59:15,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:59:15,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736336578] [2024-09-22 13:59:15,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736336578] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:59:15,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:59:15,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-22 13:59:15,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197445855] [2024-09-22 13:59:15,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:59:15,083 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-22 13:59:15,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:59:15,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-22 13:59:15,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-09-22 13:59:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:15,084 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:59:15,084 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-09-22 13:59:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-22 13:59:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-09-22 13:59:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-22 13:59:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-09-22 13:59:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-09-22 13:59:17,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:59:17,156 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-09-22 13:59:17,156 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-09-22 13:59:17,156 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-22 13:59:17,156 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-22 13:59:17,163 INFO L408 BasicCegarLoop]: Path program histogram: [8, 2, 1] [2024-09-22 13:59:17,165 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 13:59:17,165 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 13:59:17,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 01:59:17 BasicIcfg [2024-09-22 13:59:17,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 13:59:17,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-22 13:59:17,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-22 13:59:17,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-22 13:59:17,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:58:38" (3/4) ... [2024-09-22 13:59:17,171 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-22 13:59:17,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-09-22 13:59:17,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-09-22 13:59:17,178 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-09-22 13:59:17,179 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-09-22 13:59:17,179 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-09-22 13:59:17,179 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-09-22 13:59:17,255 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-09-22 13:59:17,255 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-09-22 13:59:17,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-22 13:59:17,256 INFO L158 Benchmark]: Toolchain (without parser) took 39484.58ms. Allocated memory was 167.8MB in the beginning and 570.4MB in the end (delta: 402.7MB). Free memory was 97.4MB in the beginning and 316.0MB in the end (delta: -218.7MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,256 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 13:59:17,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.36ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 85.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 83.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,257 INFO L158 Benchmark]: Boogie Preprocessor took 24.83ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 82.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,257 INFO L158 Benchmark]: RCFGBuilder took 369.80ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 130.3MB in the end (delta: -47.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,257 INFO L158 Benchmark]: TraceAbstraction took 38776.66ms. Allocated memory was 167.8MB in the beginning and 570.4MB in the end (delta: 402.7MB). Free memory was 130.3MB in the beginning and 320.2MB in the end (delta: -189.9MB). Peak memory consumption was 212.3MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,257 INFO L158 Benchmark]: Witness Printer took 86.19ms. Allocated memory is still 570.4MB. Free memory was 320.2MB in the beginning and 316.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-22 13:59:17,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.36ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 85.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 83.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.83ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 82.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.80ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 130.3MB in the end (delta: -47.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 38776.66ms. Allocated memory was 167.8MB in the beginning and 570.4MB in the end (delta: 402.7MB). Free memory was 130.3MB in the beginning and 320.2MB in the end (delta: -189.9MB). Peak memory consumption was 212.3MB. Max. memory is 16.1GB. * Witness Printer took 86.19ms. Allocated memory is still 570.4MB. Free memory was 320.2MB in the beginning and 316.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 548, dependent conditional: 545, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 42, independent conditional: 18, independent unconditional: 25, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3947, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 527, dependent conditional: 430, dependent unconditional: 97, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3244, Maximal queried relation: 10, Independence queries for same thread: 1328, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 65, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 548, dependent conditional: 545, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 42, independent conditional: 18, independent unconditional: 25, dependent: 42, dependent conditional: 29, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3947, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 527, dependent conditional: 430, dependent unconditional: 97, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3244, Maximal queried relation: 10, Independence queries for same thread: 1328 - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 38.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 24.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 857, 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, 11.9s InterpolantComputationTime, 1013 NumberOfCodeBlocks, 1013 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 10995 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1467 ConjunctsInSsa, 485 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 2239/5134 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-22 13:59:17,285 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 [2024-09-22 13:59:17,484 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE