/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 05:42:30,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 05:42:30,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 05:42:30,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 05:42:30,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 05:42:30,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 05:42:30,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 05:42:30,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 05:42:30,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 05:42:30,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 05:42:30,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 05:42:30,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 05:42:30,275 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 05:42:30,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 05:42:30,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 05:42:30,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 05:42:30,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 05:42:30,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 05:42:30,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 05:42:30,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 05:42:30,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 05:42:30,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 05:42:30,278 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 05:42:30,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 05:42:30,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 05:42:30,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 05:42:30,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 05:42:30,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 05:42:30,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 05:42:30,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 05:42:30,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 05:42:30,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 05:42:30,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 05:42:30,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 05:42:30,582 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 05:42:30,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-08 05:42:31,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 05:42:31,908 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 05:42:31,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-08 05:42:31,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/01af7911f/3e79ec6723e5411583ac7445289fc312/FLAGcf6e4f116 [2024-05-08 05:42:31,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/01af7911f/3e79ec6723e5411583ac7445289fc312 [2024-05-08 05:42:31,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 05:42:32,000 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 05:42:32,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 05:42:32,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 05:42:32,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 05:42:32,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 05:42:31" (1/1) ... [2024-05-08 05:42:32,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4c1a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32, skipping insertion in model container [2024-05-08 05:42:32,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 05:42:31" (1/1) ... [2024-05-08 05:42:32,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 05:42:32,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-08 05:42:32,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 05:42:32,315 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 05:42:32,328 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-08 05:42:32,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 05:42:32,392 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 05:42:32,392 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 05:42:32,398 INFO L206 MainTranslator]: Completed translation [2024-05-08 05:42:32,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32 WrapperNode [2024-05-08 05:42:32,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 05:42:32,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 05:42:32,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 05:42:32,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 05:42:32,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,456 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-08 05:42:32,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 05:42:32,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 05:42:32,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 05:42:32,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 05:42:32,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 05:42:32,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 05:42:32,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 05:42:32,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 05:42:32,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (1/1) ... [2024-05-08 05:42:32,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 05:42:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 05:42:32,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-08 05:42:32,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-08 05:42:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-08 05:42:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-08 05:42:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-08 05:42:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-08 05:42:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-08 05:42:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-08 05:42:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 05:42:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-08 05:42:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 05:42:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 05:42:32,612 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 05:42:32,708 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 05:42:32,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 05:42:32,841 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 05:42:32,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 05:42:32,848 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-08 05:42:32,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 05:42:32 BoogieIcfgContainer [2024-05-08 05:42:32,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 05:42:32,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 05:42:32,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 05:42:32,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 05:42:32,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 05:42:31" (1/3) ... [2024-05-08 05:42:32,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0ac8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 05:42:32, skipping insertion in model container [2024-05-08 05:42:32,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:42:32" (2/3) ... [2024-05-08 05:42:32,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0ac8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 05:42:32, skipping insertion in model container [2024-05-08 05:42:32,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 05:42:32" (3/3) ... [2024-05-08 05:42:32,855 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-08 05:42:32,866 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 05:42:32,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 05:42:32,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 05:42:32,874 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 05:42:32,913 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-08 05:42:32,947 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 05:42:32,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 05:42:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 05:42:32,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-08 05:42:32,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-08 05:42:32,989 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 05:42:32,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:33,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 05:42:33,013 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;@d70a99d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 05:42:33,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-08 05:42:33,056 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)] === [2024-05-08 05:42:33,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1806290203, now seen corresponding path program 1 times [2024-05-08 05:42:33,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 05:42:33,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347137426] [2024-05-08 05:42:33,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 05:42:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 05:42:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 05:42:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 05:42:33,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 05:42:33,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347137426] [2024-05-08 05:42:33,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347137426] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 05:42:33,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 05:42:33,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-08 05:42:33,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852951580] [2024-05-08 05:42:33,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 05:42:33,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-08 05:42:33,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 05:42:33,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-08 05:42:33,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-08 05:42:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:33,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 05:42:33,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 05:42:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:33,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:33,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 05:42:33,375 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)] === [2024-05-08 05:42:33,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2045863333, now seen corresponding path program 1 times [2024-05-08 05:42:33,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 05:42:33,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217843679] [2024-05-08 05:42:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 05:42:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 05:42:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 05:42:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 05:42:33,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 05:42:33,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217843679] [2024-05-08 05:42:33,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217843679] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 05:42:33,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 05:42:33,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-08 05:42:33,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086135052] [2024-05-08 05:42:33,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 05:42:33,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-08 05:42:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 05:42:33,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-08 05:42:33,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-08 05:42:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:33,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 05:42:33,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 05:42:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:34,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-08 05:42:34,031 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)] === [2024-05-08 05:42:34,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1331145114, now seen corresponding path program 1 times [2024-05-08 05:42:34,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 05:42:34,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346635596] [2024-05-08 05:42:34,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 05:42:34,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 05:42:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 05:42:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 05:42:34,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 05:42:34,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346635596] [2024-05-08 05:42:34,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346635596] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 05:42:34,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 05:42:34,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-08 05:42:34,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369354641] [2024-05-08 05:42:34,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 05:42:34,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-08 05:42:34,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 05:42:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-08 05:42:34,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-08 05:42:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:34,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 05:42:34,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 05:42:34,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:34,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:34,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 05:42:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-08 05:42:35,643 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)] === [2024-05-08 05:42:35,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:35,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1309167788, now seen corresponding path program 1 times [2024-05-08 05:42:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 05:42:35,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565980123] [2024-05-08 05:42:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 05:42:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 05:42:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 05:42:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 05:42:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 05:42:35,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565980123] [2024-05-08 05:42:35,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565980123] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 05:42:35,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 05:42:35,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-08 05:42:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249710525] [2024-05-08 05:42:35,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 05:42:35,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-08 05:42:35,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 05:42:35,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-08 05:42:35,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-08 05:42:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:35,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 05:42:35,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 05:42:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 05:42:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 05:42:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 05:42:36,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-08 05:42:36,352 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)] === [2024-05-08 05:42:36,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 05:42:36,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1208383767, now seen corresponding path program 1 times [2024-05-08 05:42:36,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 05:42:36,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027418859] [2024-05-08 05:42:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 05:42:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 05:42:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 05:42:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 05:42:36,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 05:42:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027418859] [2024-05-08 05:42:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027418859] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 05:42:36,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 05:42:36,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-08 05:42:36,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883376850] [2024-05-08 05:42:36,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 05:42:36,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-08 05:42:36,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 05:42:36,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-08 05:42:36,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-08 05:42:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:36,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 05:42:36,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 05:42:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 05:42:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 05:42:36,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 05:42:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 05:42:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 05:42:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 05:42:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 05:42:37,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-08 05:42:37,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-08 05:42:37,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-08 05:42:37,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-08 05:42:37,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-08 05:42:37,394 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-08 05:42:37,396 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 05:42:37,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 05:42:37,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 05:42:37 BasicIcfg [2024-05-08 05:42:37,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 05:42:37,405 INFO L158 Benchmark]: Toolchain (without parser) took 5399.90ms. Allocated memory was 296.7MB in the beginning and 395.3MB in the end (delta: 98.6MB). Free memory was 227.2MB in the beginning and 133.2MB in the end (delta: 94.0MB). Peak memory consumption was 193.3MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,405 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 296.7MB. Free memory is still 263.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 05:42:37,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.18ms. Allocated memory is still 296.7MB. Free memory was 226.9MB in the beginning and 206.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.36ms. Allocated memory is still 296.7MB. Free memory was 206.4MB in the beginning and 204.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,407 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 296.7MB. Free memory was 204.4MB in the beginning and 202.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,407 INFO L158 Benchmark]: RCFGBuilder took 361.83ms. Allocated memory is still 296.7MB. Free memory was 202.8MB in the beginning and 254.8MB in the end (delta: -52.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,407 INFO L158 Benchmark]: TraceAbstraction took 4548.30ms. Allocated memory was 296.7MB in the beginning and 395.3MB in the end (delta: 98.6MB). Free memory was 253.8MB in the beginning and 133.2MB in the end (delta: 120.6MB). Peak memory consumption was 219.7MB. Max. memory is 8.0GB. [2024-05-08 05:42:37,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 296.7MB. Free memory is still 263.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 394.18ms. Allocated memory is still 296.7MB. Free memory was 226.9MB in the beginning and 206.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.36ms. Allocated memory is still 296.7MB. Free memory was 206.4MB in the beginning and 204.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 296.7MB. Free memory was 204.4MB in the beginning and 202.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 361.83ms. Allocated memory is still 296.7MB. Free memory was 202.8MB in the beginning and 254.8MB in the end (delta: -52.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 4548.30ms. Allocated memory was 296.7MB in the beginning and 395.3MB in the end (delta: 98.6MB). Free memory was 253.8MB in the beginning and 133.2MB in the end (delta: 120.6MB). Peak memory consumption was 219.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150565, independent: 148336, independent conditional: 148061, independent unconditional: 275, dependent: 2229, dependent conditional: 2228, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 150383, independent: 148336, independent conditional: 148061, independent unconditional: 275, dependent: 2047, dependent conditional: 2046, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150383, independent: 148336, independent conditional: 148061, independent unconditional: 275, dependent: 2047, dependent conditional: 2046, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 150383, independent: 148336, independent conditional: 148061, independent unconditional: 275, dependent: 2047, dependent conditional: 2046, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 71534, independent unconditional: 76802, dependent: 6679, dependent conditional: 4587, dependent unconditional: 2092, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 22167, independent unconditional: 126169, dependent: 6679, dependent conditional: 1580, dependent unconditional: 5099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 22167, independent unconditional: 126169, dependent: 6679, dependent conditional: 1580, dependent unconditional: 5099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1204, independent: 1167, independent conditional: 117, independent unconditional: 1050, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1204, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 27, independent conditional: 21, independent unconditional: 6, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 27, independent conditional: 21, independent unconditional: 6, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 42, independent conditional: 34, independent unconditional: 8, dependent: 83, dependent conditional: 57, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 155015, independent: 147169, independent conditional: 22050, independent unconditional: 125119, dependent: 6642, dependent conditional: 1564, dependent unconditional: 5078, unknown: 1204, unknown conditional: 133, unknown unconditional: 1071] , Statistics on independence cache: Total cache size (in pairs): 1204, Positive cache size: 1167, Positive conditional cache size: 117, Positive unconditional cache size: 1050, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52374, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 71534, independent unconditional: 76802, dependent: 6679, dependent conditional: 4587, dependent unconditional: 2092, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 22167, independent unconditional: 126169, dependent: 6679, dependent conditional: 1580, dependent unconditional: 5099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 155015, independent: 148336, independent conditional: 22167, independent unconditional: 126169, dependent: 6679, dependent conditional: 1580, dependent unconditional: 5099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1204, independent: 1167, independent conditional: 117, independent unconditional: 1050, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1204, independent: 1140, independent conditional: 0, independent unconditional: 1140, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 27, independent conditional: 21, independent unconditional: 6, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 27, independent conditional: 21, independent unconditional: 6, dependent: 37, dependent conditional: 16, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 42, independent conditional: 34, independent unconditional: 8, dependent: 83, dependent conditional: 57, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 155015, independent: 147169, independent conditional: 22050, independent unconditional: 125119, dependent: 6642, dependent conditional: 1564, dependent unconditional: 5078, unknown: 1204, unknown conditional: 133, unknown unconditional: 1071] , Statistics on independence cache: Total cache size (in pairs): 1204, Positive cache size: 1167, Positive conditional cache size: 117, Positive unconditional cache size: 1050, Negative cache size: 37, Negative conditional cache size: 16, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52374 ], Independence queries for same thread: 182 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.0s, 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: 50, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-08 05:42:37,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-08 05:42:37,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...