./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/triangular-longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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/pthread/triangular-longest-1.i -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 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-16 17:38:05,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-16 17:38:05,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-16 17:38:05,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-16 17:38:05,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-16 17:38:05,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-16 17:38:05,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-16 17:38:05,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-16 17:38:05,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-16 17:38:05,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-16 17:38:05,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-16 17:38:05,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-16 17:38:05,384 INFO L153 SettingsManager]: * Use SBE=true [2024-07-16 17:38:05,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-16 17:38:05,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-16 17:38:05,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-16 17:38:05,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-16 17:38:05,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-16 17:38:05,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-16 17:38:05,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-16 17:38:05,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-16 17:38:05,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-16 17:38:05,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-16 17:38:05,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-16 17:38:05,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-16 17:38:05,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-16 17:38:05,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-16 17:38:05,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-16 17:38:05,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-16 17:38:05,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-16 17:38:05,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 17:38:05,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-16 17:38:05,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-16 17:38:05,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-16 17:38:05,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-16 17:38:05,391 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-16 17:38:05,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-16 17:38:05,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-16 17:38:05,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-16 17:38:05,392 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-16 17:38:05,392 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-16 17:38:05,393 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-16 17:38:05,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 [2024-07-16 17:38:05,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-16 17:38:05,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-16 17:38:05,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-16 17:38:05,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-16 17:38:05,619 INFO L274 PluginConnector]: CDTParser initialized [2024-07-16 17:38:05,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-07-16 17:38:06,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-16 17:38:06,934 INFO L384 CDTParser]: Found 1 translation units. [2024-07-16 17:38:06,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-07-16 17:38:06,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a3d9f193/5b1ae293efba4f25a8bb1bac74eac14f/FLAG3bd313d46 [2024-07-16 17:38:06,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a3d9f193/5b1ae293efba4f25a8bb1bac74eac14f [2024-07-16 17:38:06,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-16 17:38:06,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-16 17:38:06,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-16 17:38:06,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-16 17:38:06,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-16 17:38:06,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 05:38:06" (1/1) ... [2024-07-16 17:38:06,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77649be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:06, skipping insertion in model container [2024-07-16 17:38:06,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 05:38:06" (1/1) ... [2024-07-16 17:38:07,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-16 17:38:07,277 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i[30962,30975] [2024-07-16 17:38:07,280 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 17:38:07,286 INFO L202 MainTranslator]: Completed pre-run [2024-07-16 17:38:07,331 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i[30962,30975] [2024-07-16 17:38:07,332 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 17:38:07,363 INFO L206 MainTranslator]: Completed translation [2024-07-16 17:38:07,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07 WrapperNode [2024-07-16 17:38:07,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-16 17:38:07,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-16 17:38:07,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-16 17:38:07,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-16 17:38:07,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,409 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-07-16 17:38:07,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-16 17:38:07,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-16 17:38:07,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-16 17:38:07,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-16 17:38:07,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-16 17:38:07,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-16 17:38:07,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-16 17:38:07,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-16 17:38:07,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (1/1) ... [2024-07-16 17:38:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 17:38:07,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:07,472 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) [2024-07-16 17:38:07,479 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 [2024-07-16 17:38:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-07-16 17:38:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-07-16 17:38:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-07-16 17:38:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-07-16 17:38:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-16 17:38:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-16 17:38:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-16 17:38:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-16 17:38:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-16 17:38:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-16 17:38:07,511 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-16 17:38:07,597 INFO L244 CfgBuilder]: Building ICFG [2024-07-16 17:38:07,598 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-16 17:38:07,694 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-16 17:38:07,694 INFO L293 CfgBuilder]: Performing block encoding [2024-07-16 17:38:07,763 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-16 17:38:07,763 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-07-16 17:38:07,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 05:38:07 BoogieIcfgContainer [2024-07-16 17:38:07,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-16 17:38:07,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-16 17:38:07,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-16 17:38:07,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-16 17:38:07,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.07 05:38:06" (1/3) ... [2024-07-16 17:38:07,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 05:38:07, skipping insertion in model container [2024-07-16 17:38:07,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 05:38:07" (2/3) ... [2024-07-16 17:38:07,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 05:38:07, skipping insertion in model container [2024-07-16 17:38:07,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 05:38:07" (3/3) ... [2024-07-16 17:38:07,782 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2024-07-16 17:38:07,788 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-16 17:38:07,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-16 17:38:07,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-16 17:38:07,795 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-16 17:38:07,820 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-16 17:38:07,854 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 17:38:07,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-16 17:38:07,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:07,856 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) [2024-07-16 17:38:07,879 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 [2024-07-16 17:38:07,891 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-16 17:38:07,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-16 17:38:07,913 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@329dfe44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 17:38:07,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-16 17:38:08,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:08,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:08,014 INFO L85 PathProgramCache]: Analyzing trace with hash 651553703, now seen corresponding path program 1 times [2024-07-16 17:38:08,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:08,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971705520] [2024-07-16 17:38:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:08,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:08,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971705520] [2024-07-16 17:38:08,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971705520] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 17:38:08,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 17:38:08,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-16 17:38:08,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778360485] [2024-07-16 17:38:08,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 17:38:08,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-16 17:38:08,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:08,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-16 17:38:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-16 17:38:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:08,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:08,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-07-16 17:38:08,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:08,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-16 17:38:08,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:08,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:08,595 INFO L85 PathProgramCache]: Analyzing trace with hash 77251458, now seen corresponding path program 1 times [2024-07-16 17:38:08,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:08,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490530289] [2024-07-16 17:38:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:08,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:08,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490530289] [2024-07-16 17:38:08,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490530289] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 17:38:08,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 17:38:08,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-16 17:38:08,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804451978] [2024-07-16 17:38:08,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 17:38:08,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-16 17:38:08,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:08,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-16 17:38:08,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-16 17:38:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:08,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:08,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-07-16 17:38:08,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:08,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:08,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-16 17:38:08,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:08,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:08,919 INFO L85 PathProgramCache]: Analyzing trace with hash 471272221, now seen corresponding path program 2 times [2024-07-16 17:38:08,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:08,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877566341] [2024-07-16 17:38:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:08,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:09,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:09,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877566341] [2024-07-16 17:38:09,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877566341] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:09,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854336573] [2024-07-16 17:38:09,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 17:38:09,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:09,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:09,101 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) [2024-07-16 17:38:09,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-16 17:38:09,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 17:38:09,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:09,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-16 17:38:09,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:09,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:09,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854336573] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:09,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:09,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-07-16 17:38:09,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078254334] [2024-07-16 17:38:09,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:09,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-16 17:38:09,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:09,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-16 17:38:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-07-16 17:38:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:09,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:09,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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) [2024-07-16 17:38:09,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:09,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:09,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:09,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-16 17:38:09,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-07-16 17:38:09,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:09,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2110283886, now seen corresponding path program 3 times [2024-07-16 17:38:09,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:09,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205757911] [2024-07-16 17:38:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:09,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205757911] [2024-07-16 17:38:10,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205757911] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545583845] [2024-07-16 17:38:10,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 17:38:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:10,189 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) [2024-07-16 17:38:10,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-16 17:38:10,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-16 17:38:10,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:10,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-16 17:38:10,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:10,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:10,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545583845] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:10,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:10,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-07-16 17:38:10,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721125393] [2024-07-16 17:38:10,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:10,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-07-16 17:38:10,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-07-16 17:38:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-07-16 17:38:10,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:10,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:10,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.142857142857143) internal successors, (88), 27 states have internal predecessors, (88), 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) [2024-07-16 17:38:10,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:10,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:10,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:10,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-16 17:38:11,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:11,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:11,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:11,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:11,350 INFO L85 PathProgramCache]: Analyzing trace with hash -384031664, now seen corresponding path program 4 times [2024-07-16 17:38:11,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:11,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798521998] [2024-07-16 17:38:11,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:11,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:11,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798521998] [2024-07-16 17:38:11,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798521998] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:11,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245110643] [2024-07-16 17:38:11,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 17:38:11,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:11,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:11,864 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) [2024-07-16 17:38:11,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-16 17:38:11,920 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 17:38:11,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:11,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 29 conjunts are in the unsatisfiable core [2024-07-16 17:38:11,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:12,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:12,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245110643] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:12,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 46 [2024-07-16 17:38:12,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703777506] [2024-07-16 17:38:12,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:12,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-07-16 17:38:12,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-07-16 17:38:12,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=1668, Unknown=0, NotChecked=0, Total=2162 [2024-07-16 17:38:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:12,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:12,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.1702127659574466) internal successors, (149), 46 states have internal predecessors, (149), 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) [2024-07-16 17:38:12,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:12,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-16 17:38:12,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:13,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-16 17:38:13,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-07-16 17:38:13,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:14,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:14,076 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:14,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:14,077 INFO L85 PathProgramCache]: Analyzing trace with hash -722162658, now seen corresponding path program 5 times [2024-07-16 17:38:14,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:14,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683756778] [2024-07-16 17:38:14,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 1202 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:14,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:14,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683756778] [2024-07-16 17:38:14,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683756778] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:14,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039372657] [2024-07-16 17:38:14,516 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 17:38:14,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:14,517 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) [2024-07-16 17:38:14,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-16 17:38:14,606 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-07-16 17:38:14,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:14,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 22 conjunts are in the unsatisfiable core [2024-07-16 17:38:14,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 1260 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:14,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-16 17:38:14,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039372657] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 17:38:14,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-16 17:38:14,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-07-16 17:38:14,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931643151] [2024-07-16 17:38:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 17:38:14,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-07-16 17:38:14,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:14,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-07-16 17:38:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-07-16 17:38:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:14,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:14,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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) [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-07-16 17:38:14,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:15,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-07-16 17:38:15,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-07-16 17:38:15,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:15,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:15,856 INFO L85 PathProgramCache]: Analyzing trace with hash -338756434, now seen corresponding path program 6 times [2024-07-16 17:38:15,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:15,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986983467] [2024-07-16 17:38:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:15,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:15,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986983467] [2024-07-16 17:38:15,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986983467] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:15,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245670041] [2024-07-16 17:38:15,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-16 17:38:15,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:15,918 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) [2024-07-16 17:38:15,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-16 17:38:15,978 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-07-16 17:38:15,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:15,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2024-07-16 17:38:15,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:16,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:16,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245670041] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:16,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:16,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-07-16 17:38:16,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845952903] [2024-07-16 17:38:16,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:16,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-16 17:38:16,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:16,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-16 17:38:16,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-07-16 17:38:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:16,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:16,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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) [2024-07-16 17:38:16,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:16,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:16,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:16,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:16,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:16,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:16,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:16,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:16,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:16,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:16,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:16,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1672866627, now seen corresponding path program 7 times [2024-07-16 17:38:16,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:16,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120810293] [2024-07-16 17:38:16,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:16,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:16,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:16,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120810293] [2024-07-16 17:38:16,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120810293] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440389603] [2024-07-16 17:38:16,980 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-16 17:38:16,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:16,996 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) [2024-07-16 17:38:16,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-16 17:38:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:17,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2024-07-16 17:38:17,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:17,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:17,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440389603] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:17,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:17,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-07-16 17:38:17,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432186206] [2024-07-16 17:38:17,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:17,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-07-16 17:38:17,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:17,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-07-16 17:38:17,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-07-16 17:38:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:17,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:17,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 25 states have internal predecessors, (74), 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) [2024-07-16 17:38:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:17,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:17,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:17,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:18,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:18,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-16 17:38:18,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:18,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-07-16 17:38:18,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:18,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2077189019, now seen corresponding path program 8 times [2024-07-16 17:38:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:18,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64794279] [2024-07-16 17:38:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:18,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:18,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64794279] [2024-07-16 17:38:18,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64794279] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822274556] [2024-07-16 17:38:18,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 17:38:18,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:18,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:19,000 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) [2024-07-16 17:38:19,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-16 17:38:19,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 17:38:19,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:19,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-16 17:38:19,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:19,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:19,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822274556] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:19,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:19,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-07-16 17:38:19,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892249601] [2024-07-16 17:38:19,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:19,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-07-16 17:38:19,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:19,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-07-16 17:38:19,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2024-07-16 17:38:19,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:19,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:19,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.92) internal successors, (146), 49 states have internal predecessors, (146), 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) [2024-07-16 17:38:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:19,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:19,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:19,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-16 17:38:19,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-16 17:38:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-07-16 17:38:22,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:22,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:22,892 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 17:38:22,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 17:38:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1816494822, now seen corresponding path program 9 times [2024-07-16 17:38:22,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 17:38:22,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240392093] [2024-07-16 17:38:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 17:38:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 17:38:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 17:38:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:23,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 17:38:23,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240392093] [2024-07-16 17:38:23,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240392093] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 17:38:23,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932455324] [2024-07-16 17:38:23,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 17:38:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 17:38:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 17:38:23,764 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) [2024-07-16 17:38:23,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-16 17:38:23,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-07-16 17:38:23,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 17:38:23,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 46 conjunts are in the unsatisfiable core [2024-07-16 17:38:23,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 17:38:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:24,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 17:38:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 1102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 17:38:24,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932455324] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 17:38:24,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 17:38:24,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 86 [2024-07-16 17:38:24,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327893496] [2024-07-16 17:38:24,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 17:38:24,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-07-16 17:38:24,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 17:38:24,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-07-16 17:38:24,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1740, Invalid=5742, Unknown=0, NotChecked=0, Total=7482 [2024-07-16 17:38:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:24,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 17:38:24,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.954022988505747) internal successors, (257), 86 states have internal predecessors, (257), 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) [2024-07-16 17:38:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-16 17:38:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-07-16 17:38:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 17:38:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 17:38:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-16 17:38:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-16 17:38:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-07-16 17:38:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-16 17:38:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 17:38:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-16 17:38:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-07-16 17:38:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-07-16 17:38:28,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-07-16 17:38:28,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-07-16 17:38:28,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-07-16 17:38:28,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-16 17:38:28,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-16 17:38:28,890 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1] [2024-07-16 17:38:28,892 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-16 17:38:28,892 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-16 17:38:28,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.07 05:38:28 BasicIcfg [2024-07-16 17:38:28,894 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-16 17:38:28,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-16 17:38:28,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-16 17:38:28,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-16 17:38:28,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 05:38:07" (3/4) ... [2024-07-16 17:38:28,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-16 17:38:28,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-07-16 17:38:28,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-07-16 17:38:28,902 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-07-16 17:38:28,903 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-07-16 17:38:28,903 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-07-16 17:38:28,903 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-07-16 17:38:28,966 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-07-16 17:38:28,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-07-16 17:38:28,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-16 17:38:28,968 INFO L158 Benchmark]: Toolchain (without parser) took 22008.06ms. Allocated memory was 237.0MB in the beginning and 841.0MB in the end (delta: 604.0MB). Free memory was 163.6MB in the beginning and 460.6MB in the end (delta: -297.0MB). Peak memory consumption was 308.4MB. Max. memory is 16.1GB. [2024-07-16 17:38:28,969 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 237.0MB. Free memory is still 195.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-16 17:38:28,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 237.0MB. Free memory was 163.4MB in the beginning and 142.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-07-16 17:38:28,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 237.0MB. Free memory was 142.6MB in the beginning and 140.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-16 17:38:28,969 INFO L158 Benchmark]: Boogie Preprocessor took 35.78ms. Allocated memory is still 237.0MB. Free memory was 140.7MB in the beginning and 139.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-16 17:38:28,970 INFO L158 Benchmark]: RCFGBuilder took 316.75ms. Allocated memory is still 237.0MB. Free memory was 139.3MB in the beginning and 200.9MB in the end (delta: -61.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-07-16 17:38:28,970 INFO L158 Benchmark]: TraceAbstraction took 21129.27ms. Allocated memory was 237.0MB in the beginning and 841.0MB in the end (delta: 604.0MB). Free memory was 199.7MB in the beginning and 464.8MB in the end (delta: -265.1MB). Peak memory consumption was 338.8MB. Max. memory is 16.1GB. [2024-07-16 17:38:28,970 INFO L158 Benchmark]: Witness Printer took 73.61ms. Allocated memory is still 841.0MB. Free memory was 464.8MB in the beginning and 460.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-16 17:38:28,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 237.0MB. Free memory is still 195.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 237.0MB. Free memory was 163.4MB in the beginning and 142.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 237.0MB. Free memory was 142.6MB in the beginning and 140.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.78ms. Allocated memory is still 237.0MB. Free memory was 140.7MB in the beginning and 139.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.75ms. Allocated memory is still 237.0MB. Free memory was 139.3MB in the beginning and 200.9MB in the end (delta: -61.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21129.27ms. Allocated memory was 237.0MB in the beginning and 841.0MB in the end (delta: 604.0MB). Free memory was 199.7MB in the beginning and 464.8MB in the end (delta: -265.1MB). Peak memory consumption was 338.8MB. Max. memory is 16.1GB. * Witness Printer took 73.61ms. Allocated memory is still 841.0MB. Free memory was 464.8MB in the beginning and 460.6MB 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: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 447502, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 77347, dependent conditional: 77340, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381014, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381014, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 55557, dependent unconditional: 38542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 478, independent conditional: 254, independent unconditional: 224, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 863, independent: 324, independent conditional: 286, independent unconditional: 38, dependent: 540, dependent conditional: 517, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 464254, independent: 369677, independent conditional: 27429, independent unconditional: 342248, dependent: 93514, dependent conditional: 39517, dependent unconditional: 53997, unknown: 1063, unknown conditional: 832, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 478, Positive conditional cache size: 254, Positive unconditional cache size: 224, Negative cache size: 585, Negative conditional cache size: 578, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15462, Maximal queried relation: 10, Independence queries for same thread: 66488 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 79, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 447502, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 77347, dependent conditional: 77340, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381014, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 381014, independent: 370155, independent conditional: 369903, independent unconditional: 252, dependent: 10859, dependent conditional: 10852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 55557, dependent unconditional: 38542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 464254, independent: 370155, independent conditional: 27683, independent unconditional: 342472, dependent: 94099, dependent conditional: 40095, dependent unconditional: 54004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 478, independent conditional: 254, independent unconditional: 224, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 840, independent: 255, independent conditional: 254, independent unconditional: 1, dependent: 585, dependent conditional: 578, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 863, independent: 324, independent conditional: 286, independent unconditional: 38, dependent: 540, dependent conditional: 517, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 464254, independent: 369677, independent conditional: 27429, independent unconditional: 342248, dependent: 93514, dependent conditional: 39517, dependent unconditional: 53997, unknown: 1063, unknown conditional: 832, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 478, Positive conditional cache size: 254, Positive unconditional cache size: 224, Negative cache size: 585, Negative conditional cache size: 578, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15462, Maximal queried relation: 10, Independence queries for same thread: 66488 - PositiveResult [Line: 722]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 11.5s, 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: 349, 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, 6.6s InterpolantComputationTime, 1100 NumberOfCodeBlocks, 1100 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1474 ConstructedInterpolants, 0 QuantifiedInterpolants, 6204 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1369 ConjunctsInSsa, 176 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 2462/8022 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! [2024-07-16 17:38:29,008 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 [2024-07-16 17:38:29,203 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