/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 15:05:58,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 15:05:58,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 15:05:58,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 15:05:58,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 15:05:58,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 15:05:58,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 15:05:58,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 15:05:58,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 15:05:58,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 15:05:58,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 15:05:58,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 15:05:58,535 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 15:05:58,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 15:05:58,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 15:05:58,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 15:05:58,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 15:05:58,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 15:05:58,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 15:05:58,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 15:05:58,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 15:05:58,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 15:05:58,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 15:05:58,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 15:05:58,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 15:05:58,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 15:05:58,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 15:05:58,549 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 15:05:58,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 15:05:58,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 15:05:58,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 15:05:58,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 15:05:58,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 15:05:58,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 15:05:58,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 15:05:58,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 15:05:58,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 15:05:58,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 15:05:58,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 15:05:58,709 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 15:05:58,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-04-05 15:05:59,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 15:05:59,999 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 15:05:59,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-04-05 15:06:00,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b2c6e42c9/67e2d0d4b3794db5af267ae99ce07539/FLAG9468c2ca7 [2024-04-05 15:06:00,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b2c6e42c9/67e2d0d4b3794db5af267ae99ce07539 [2024-04-05 15:06:00,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 15:06:00,028 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 15:06:00,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 15:06:00,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 15:06:00,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 15:06:00,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232493c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00, skipping insertion in model container [2024-04-05 15:06:00,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 15:06:00,194 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2024-04-05 15:06:00,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 15:06:00,207 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 15:06:00,222 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2024-04-05 15:06:00,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 15:06:00,234 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 15:06:00,234 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 15:06:00,239 INFO L206 MainTranslator]: Completed translation [2024-04-05 15:06:00,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00 WrapperNode [2024-04-05 15:06:00,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 15:06:00,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 15:06:00,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 15:06:00,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 15:06:00,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,271 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 186 [2024-04-05 15:06:00,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 15:06:00,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 15:06:00,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 15:06:00,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 15:06:00,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 15:06:00,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 15:06:00,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 15:06:00,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 15:06:00,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (1/1) ... [2024-04-05 15:06:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 15:06:00,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:00,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 15:06:00,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 15:06:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 15:06:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 15:06:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 15:06:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 15:06:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 15:06:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 15:06:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 15:06:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 15:06:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 15:06:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 15:06:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 15:06:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 15:06:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 15:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 15:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 15:06:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 15:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 15:06:00,364 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 15:06:00,460 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 15:06:00,461 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 15:06:00,696 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 15:06:00,783 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 15:06:00,783 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 15:06:00,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:06:00 BoogieIcfgContainer [2024-04-05 15:06:00,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 15:06:00,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 15:06:00,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 15:06:00,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 15:06:00,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:06:00" (1/3) ... [2024-04-05 15:06:00,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e22c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:06:00, skipping insertion in model container [2024-04-05 15:06:00,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:06:00" (2/3) ... [2024-04-05 15:06:00,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e22c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:06:00, skipping insertion in model container [2024-04-05 15:06:00,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:06:00" (3/3) ... [2024-04-05 15:06:00,790 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-04-05 15:06:00,796 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 15:06:00,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 15:06:00,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 15:06:00,804 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 15:06:00,865 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 15:06:00,905 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 15:06:00,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 15:06:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:00,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 15:06:00,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 15:06:00,937 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 15:06:00,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:00,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 15:06:00,953 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;@7df92764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 15:06:00,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 15:06:01,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:01,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:01,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1469579016, now seen corresponding path program 1 times [2024-04-05 15:06:01,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:01,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709747579] [2024-04-05 15:06:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 15:06:01,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709747579] [2024-04-05 15:06:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709747579] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 15:06:01,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 15:06:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 15:06:01,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816305536] [2024-04-05 15:06:01,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 15:06:01,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 15:06:01,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 15:06:01,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 15:06:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:01,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:01,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:01,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:01,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:01,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 15:06:01,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:01,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:01,625 INFO L85 PathProgramCache]: Analyzing trace with hash 540476356, now seen corresponding path program 1 times [2024-04-05 15:06:01,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:01,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264978000] [2024-04-05 15:06:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:01,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 15:06:01,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:01,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264978000] [2024-04-05 15:06:01,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264978000] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 15:06:01,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 15:06:01,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 15:06:01,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762890607] [2024-04-05 15:06:01,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 15:06:01,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 15:06:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:01,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 15:06:01,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 15:06:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:01,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:01,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:02,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 15:06:02,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:02,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1905089476, now seen corresponding path program 2 times [2024-04-05 15:06:02,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788867508] [2024-04-05 15:06:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:02,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788867508] [2024-04-05 15:06:02,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788867508] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:06:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945948021] [2024-04-05 15:06:02,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 15:06:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:02,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:06:02,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 15:06:02,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-05 15:06:02,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 15:06:02,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-05 15:06:02,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:06:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 15:06:02,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 15:06:02,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945948021] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 15:06:02,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 15:06:02,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-04-05 15:06:02,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366720863] [2024-04-05 15:06:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 15:06:02,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 15:06:02,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 15:06:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-05 15:06:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:02,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:02,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:02,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:02,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 15:06:02,936 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 [2024-04-05 15:06:02,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:02,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:02,938 INFO L85 PathProgramCache]: Analyzing trace with hash 547527253, now seen corresponding path program 1 times [2024-04-05 15:06:02,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895150073] [2024-04-05 15:06:02,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:03,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:03,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895150073] [2024-04-05 15:06:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895150073] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:06:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111518201] [2024-04-05 15:06:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:03,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:03,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:03,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:06:03,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 15:06:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:03,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 15:06:03,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:06:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:03,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 15:06:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:03,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111518201] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 15:06:03,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 15:06:03,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 15:06:03,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389264552] [2024-04-05 15:06:03,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 15:06:03,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 15:06:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 15:06:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-05 15:06:03,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:03,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:03,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:03,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 15:06:04,053 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 [2024-04-05 15:06:04,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:04,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:04,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2019342310, now seen corresponding path program 2 times [2024-04-05 15:06:04,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:04,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047738802] [2024-04-05 15:06:04,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 15:06:04,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:04,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047738802] [2024-04-05 15:06:04,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047738802] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 15:06:04,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 15:06:04,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 15:06:04,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716946680] [2024-04-05 15:06:04,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 15:06:04,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 15:06:04,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:04,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 15:06:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-05 15:06:04,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:04,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:04,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:04,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:04,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:04,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:04,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:04,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:04,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 15:06:04,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:04,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash -243412045, now seen corresponding path program 1 times [2024-04-05 15:06:04,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:04,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752514146] [2024-04-05 15:06:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 15:06:04,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:04,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752514146] [2024-04-05 15:06:04,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752514146] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:06:04,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167439030] [2024-04-05 15:06:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:04,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:04,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:04,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:06:04,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 15:06:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:04,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 15:06:04,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:06:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 15:06:04,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 15:06:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 15:06:05,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167439030] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 15:06:05,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 15:06:05,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-04-05 15:06:05,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131345889] [2024-04-05 15:06:05,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 15:06:05,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-05 15:06:05,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:05,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-05 15:06:05,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-04-05 15:06:05,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:05,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:05,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.35) internal successors, (187), 20 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:05,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:05,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:05,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:05,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:05,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:05,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:06:05,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 15:06:06,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:06,134 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:06,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash 762666790, now seen corresponding path program 2 times [2024-04-05 15:06:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:06,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836039480] [2024-04-05 15:06:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:11,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836039480] [2024-04-05 15:06:11,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836039480] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:06:11,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644624096] [2024-04-05 15:06:11,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 15:06:11,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:11,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:11,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:06:11,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 15:06:11,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 15:06:11,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 15:06:11,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-05 15:06:11,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:06:12,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-05 15:06:12,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 15:06:13,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 15:06:13,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 15:06:14,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 15:06:14,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 25 [2024-04-05 15:06:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:14,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 15:06:22,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 15:06:22,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 153 [2024-04-05 15:06:23,019 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2024-04-05 15:06:23,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3346 treesize of output 3165 [2024-04-05 15:06:23,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 15:06:23,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 15:06:23,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 15:06:23,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 565 treesize of output 507 [2024-04-05 15:06:23,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 15:06:23,123 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 15:06:23,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 15:06:23,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 487 treesize of output 468 [2024-04-05 15:06:23,213 INFO L349 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2024-04-05 15:06:23,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 551 treesize of output 415 [2024-04-05 15:06:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 15:06:27,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644624096] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 15:06:27,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 15:06:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 36, 31] total 94 [2024-04-05 15:06:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414824556] [2024-04-05 15:06:27,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 15:06:27,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-05 15:06:27,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:27,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-05 15:06:27,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=917, Invalid=7753, Unknown=72, NotChecked=0, Total=8742 [2024-04-05 15:06:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:27,442 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:27,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.117021276595745) internal successors, (387), 94 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:06:27,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:36,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 15:06:38,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 15:06:40,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 15:06:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:06:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 15:06:42,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-05 15:06:42,929 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,SelfDestructingSolverStorable6 [2024-04-05 15:06:42,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:06:42,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:06:42,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1376818920, now seen corresponding path program 3 times [2024-04-05 15:06:42,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:06:42,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424581567] [2024-04-05 15:06:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:06:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:06:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:06:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-05 15:06:43,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:06:43,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424581567] [2024-04-05 15:06:43,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424581567] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:06:43,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086020117] [2024-04-05 15:06:43,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 15:06:43,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:06:43,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:06:43,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:06:43,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 15:06:43,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 15:06:43,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 15:06:43,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-05 15:06:43,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:06:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-05 15:06:44,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 15:06:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 22 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 15:06:45,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086020117] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 15:06:45,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 15:06:45,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 20] total 45 [2024-04-05 15:06:45,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501884761] [2024-04-05 15:06:45,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 15:06:45,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-05 15:06:45,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:06:45,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-05 15:06:45,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2024-04-05 15:06:45,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:45,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:06:45,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.622222222222222) internal successors, (253), 45 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 15:06:45,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:06:55,721 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 72 DAG size of output: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:07:17,480 WARN L293 SmtUtils]: Spent 12.59s on a formula simplification. DAG size of input: 85 DAG size of output: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:07:49,642 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 89 DAG size of output: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:07:59,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:08:06,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:08:26,567 WARN L293 SmtUtils]: Spent 15.52s on a formula simplification. DAG size of input: 79 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:08:27,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:08:33,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 15:09:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 15:09:15,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 15:09:15,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:09:15,789 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:09:15,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:09:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1458690484, now seen corresponding path program 4 times [2024-04-05 15:09:15,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:09:15,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668690226] [2024-04-05 15:09:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:09:15,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:09:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 15:09:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-05 15:09:17,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 15:09:17,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668690226] [2024-04-05 15:09:17,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668690226] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 15:09:17,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799573808] [2024-04-05 15:09:17,087 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 15:09:17,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 15:09:17,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 15:09:17,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 15:09:17,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 15:09:17,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 15:09:17,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 15:09:17,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-05 15:09:17,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 15:09:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-05 15:09:18,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 15:09:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-05 15:09:20,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799573808] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 15:09:20,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 15:09:20,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 90 [2024-04-05 15:09:20,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960443344] [2024-04-05 15:09:20,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 15:09:20,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-04-05 15:09:20,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 15:09:20,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-04-05 15:09:20,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=7512, Unknown=0, NotChecked=0, Total=8010 [2024-04-05 15:09:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:09:20,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 15:09:20,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.011111111111111) internal successors, (361), 90 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 15:09:20,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:09:54,572 WARN L293 SmtUtils]: Spent 14.62s on a formula simplification. DAG size of input: 99 DAG size of output: 96 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:09:56,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:10:00,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:10:24,184 WARN L293 SmtUtils]: Spent 17.21s on a formula simplification. DAG size of input: 100 DAG size of output: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:10:28,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:10:31,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:11:07,538 WARN L293 SmtUtils]: Spent 22.04s on a formula simplification. DAG size of input: 103 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:11:10,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:11:12,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:11:34,499 WARN L293 SmtUtils]: Spent 14.61s on a formula simplification. DAG size of input: 107 DAG size of output: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:11:36,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:11:57,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:12:08,312 WARN L293 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 86 DAG size of output: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:12:10,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:12:59,127 WARN L293 SmtUtils]: Spent 19.18s on a formula simplification. DAG size of input: 85 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:13:01,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:03,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:05,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:07,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:10,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:12,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:14,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:15,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:47,299 WARN L293 SmtUtils]: Spent 19.39s on a formula simplification. DAG size of input: 84 DAG size of output: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:13:50,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:13:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:14:26,297 WARN L293 SmtUtils]: Spent 20.96s on a formula simplification. DAG size of input: 86 DAG size of output: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:14:28,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:14:30,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:14:31,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:14:52,487 WARN L293 SmtUtils]: Spent 14.74s on a formula simplification. DAG size of input: 90 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:14:54,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:07,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:19,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:50,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:53,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:55,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:56,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:15:59,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:16:00,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:16:02,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:16:21,990 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 71 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:16:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:16:25,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:16:51,789 WARN L293 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 73 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:17:11,234 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 77 DAG size of output: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 15:17:53,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 15:20:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 15:20:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-04-05 15:20:26,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 15:20:26,589 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,SelfDestructingSolverStorable8 [2024-04-05 15:20:26,590 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 15:20:26,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 15:20:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1162423116, now seen corresponding path program 5 times [2024-04-05 15:20:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 15:20:26,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630044151] [2024-04-05 15:20:26,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 15:20:26,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 15:20:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-05 15:20:29,132 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 15:20:29,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-05 15:20:29,133 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 302 with TraceHistMax 17,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. [2024-04-05 15:20:29,134 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 15:20:29,134 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 15:20:29,134 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 15:20:29,136 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1] [2024-04-05 15:20:29,138 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 15:20:29,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 15:20:29,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:20:29 BasicIcfg [2024-04-05 15:20:29,142 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 15:20:29,142 INFO L158 Benchmark]: Toolchain (without parser) took 869114.96ms. Allocated memory was 204.5MB in the beginning and 736.1MB in the end (delta: 531.6MB). Free memory was 134.6MB in the beginning and 460.9MB in the end (delta: -326.2MB). Peak memory consumption was 206.4MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,143 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory was 170.6MB in the beginning and 170.5MB in the end (delta: 67.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 15:20:29,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.71ms. Allocated memory was 204.5MB in the beginning and 284.2MB in the end (delta: 79.7MB). Free memory was 134.5MB in the beginning and 246.0MB in the end (delta: -111.5MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.26ms. Allocated memory is still 284.2MB. Free memory was 246.0MB in the beginning and 244.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,144 INFO L158 Benchmark]: Boogie Preprocessor took 21.29ms. Allocated memory is still 284.2MB. Free memory was 244.0MB in the beginning and 241.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,146 INFO L158 Benchmark]: RCFGBuilder took 490.88ms. Allocated memory is still 284.2MB. Free memory was 241.9MB in the beginning and 214.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,147 INFO L158 Benchmark]: TraceAbstraction took 868355.68ms. Allocated memory was 284.2MB in the beginning and 736.1MB in the end (delta: 451.9MB). Free memory was 213.1MB in the beginning and 460.9MB in the end (delta: -247.8MB). Peak memory consumption was 204.1MB. Max. memory is 8.0GB. [2024-04-05 15:20:29,147 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 15:20:29,147 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 15:20:29,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory was 170.6MB in the beginning and 170.5MB in the end (delta: 67.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.71ms. Allocated memory was 204.5MB in the beginning and 284.2MB in the end (delta: 79.7MB). Free memory was 134.5MB in the beginning and 246.0MB in the end (delta: -111.5MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.26ms. Allocated memory is still 284.2MB. Free memory was 246.0MB in the beginning and 244.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.29ms. Allocated memory is still 284.2MB. Free memory was 244.0MB in the beginning and 241.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 490.88ms. Allocated memory is still 284.2MB. Free memory was 241.9MB in the beginning and 214.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 868355.68ms. Allocated memory was 284.2MB in the beginning and 736.1MB in the end (delta: 451.9MB). Free memory was 213.1MB in the beginning and 460.9MB in the end (delta: -247.8MB). Peak memory consumption was 204.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14314, independent: 11712, independent conditional: 11015, independent unconditional: 697, dependent: 2602, dependent conditional: 2317, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11728, independent: 11712, independent conditional: 11015, independent unconditional: 697, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11728, independent: 11712, independent conditional: 11015, independent unconditional: 697, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11728, independent: 11712, independent conditional: 11015, independent unconditional: 697, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1563, independent unconditional: 10149, dependent: 138, dependent conditional: 30, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1112, independent unconditional: 10600, dependent: 138, dependent conditional: 6, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1112, independent unconditional: 10600, dependent: 138, dependent conditional: 6, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 466, independent: 463, independent conditional: 4, independent unconditional: 459, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 466, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 45, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11850, independent: 11249, independent conditional: 1108, independent unconditional: 10141, dependent: 135, dependent conditional: 5, dependent unconditional: 130, unknown: 466, unknown conditional: 5, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 466, Positive cache size: 463, Positive conditional cache size: 4, Positive unconditional cache size: 459, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 475, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1563, independent unconditional: 10149, dependent: 138, dependent conditional: 30, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1112, independent unconditional: 10600, dependent: 138, dependent conditional: 6, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11850, independent: 11712, independent conditional: 1112, independent unconditional: 10600, dependent: 138, dependent conditional: 6, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 466, independent: 463, independent conditional: 4, independent unconditional: 459, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 466, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 45, dependent conditional: 2, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11850, independent: 11249, independent conditional: 1108, independent unconditional: 10141, dependent: 135, dependent conditional: 5, dependent unconditional: 130, unknown: 466, unknown conditional: 5, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 466, Positive cache size: 463, Positive conditional cache size: 4, Positive unconditional cache size: 459, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 475 ], Independence queries for same thread: 2586 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 302 with TraceHistMax 17,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 302 with TraceHistMax 17,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 302 with TraceHistMax 17,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 302 with TraceHistMax 17,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 186 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 868.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 832.6s, 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: 378, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 2295 NumberOfCodeBlocks, 2285 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3108 ConstructedInterpolants, 37 QuantifiedInterpolants, 32218 SizeOfPredicates, 93 NumberOfNonLiveVariables, 2079 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 540/1431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown