/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 07:41:26,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 07:41:26,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 07:41:26,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 07:41:26,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 07:41:26,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 07:41:26,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 07:41:26,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 07:41:26,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 07:41:26,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 07:41:26,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 07:41:26,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 07:41:26,902 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 07:41:26,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 07:41:26,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 07:41:26,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 07:41:26,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 07:41:26,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 07:41:26,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 07:41:26,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 07:41:26,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 07:41:26,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 07:41:26,906 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 07:41:26,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 07:41:26,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 07:41:26,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 07:41:26,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 07:41:26,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 07:41:26,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 07:41:26,908 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 07:41:26,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 07:41:26,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 07:41:26,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 07:41:26,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 07:41:26,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 07:41:27,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 07:41:27,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 07:41:27,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 07:41:27,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 07:41:27,141 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 07:41:27,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 07:41:28,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 07:41:28,333 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 07:41:28,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 07:41:28,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bc87ac0c7/698fedf48de94a29909c7e55b435bdcb/FLAGf880b5717 [2024-04-05 07:41:28,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bc87ac0c7/698fedf48de94a29909c7e55b435bdcb [2024-04-05 07:41:28,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 07:41:28,363 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 07:41:28,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 07:41:28,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 07:41:28,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 07:41:28,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333f367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28, skipping insertion in model container [2024-04-05 07:41:28,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 07:41:28,549 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/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-04-05 07:41:28,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 07:41:28,715 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 07:41:28,727 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/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-04-05 07:41:28,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 07:41:28,809 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 07:41:28,810 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 07:41:28,828 INFO L206 MainTranslator]: Completed translation [2024-04-05 07:41:28,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28 WrapperNode [2024-04-05 07:41:28,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 07:41:28,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 07:41:28,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 07:41:28,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 07:41:28,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,874 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-04-05 07:41:28,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 07:41:28,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 07:41:28,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 07:41:28,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 07:41:28,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 07:41:28,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 07:41:28,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 07:41:28,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 07:41:28,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (1/1) ... [2024-04-05 07:41:28,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 07:41:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 07:41:28,957 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 07:41:28,976 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 07:41:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 07:41:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 07:41:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 07:41:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 07:41:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 07:41:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-05 07:41:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-05 07:41:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-05 07:41:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-05 07:41:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-05 07:41:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-05 07:41:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 07:41:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 07:41:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 07:41:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 07:41:29,001 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 07:41:29,118 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 07:41:29,120 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 07:41:29,254 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 07:41:29,261 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 07:41:29,261 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-05 07:41:29,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:41:29 BoogieIcfgContainer [2024-04-05 07:41:29,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 07:41:29,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 07:41:29,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 07:41:29,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 07:41:29,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 07:41:28" (1/3) ... [2024-04-05 07:41:29,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b750b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:41:29, skipping insertion in model container [2024-04-05 07:41:29,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:41:28" (2/3) ... [2024-04-05 07:41:29,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b750b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:41:29, skipping insertion in model container [2024-04-05 07:41:29,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:41:29" (3/3) ... [2024-04-05 07:41:29,269 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 07:41:29,275 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 07:41:29,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 07:41:29,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 07:41:29,283 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 07:41:29,345 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-05 07:41:29,380 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 07:41:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 07:41:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 07:41:29,381 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 07:41:29,383 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 07:41:29,409 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 07:41:29,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:29,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 07:41:29,425 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;@66f910f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 07:41:29,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 07:41:29,466 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 07:41:29,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:29,468 INFO L85 PathProgramCache]: Analyzing trace with hash 4603110, now seen corresponding path program 1 times [2024-04-05 07:41:29,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 07:41:29,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153418971] [2024-04-05 07:41:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:29,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:29,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 07:41:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153418971] [2024-04-05 07:41:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153418971] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 07:41:29,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 07:41:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 07:41:29,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286903786] [2024-04-05 07:41:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 07:41:29,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 07:41:29,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 07:41:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 07:41:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 07:41:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:29,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 07:41:29,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 07:41:29,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:29,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:29,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 07:41:29,806 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 07:41:29,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:29,807 INFO L85 PathProgramCache]: Analyzing trace with hash -263876577, now seen corresponding path program 1 times [2024-04-05 07:41:29,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 07:41:29,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304714667] [2024-04-05 07:41:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:30,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 07:41:30,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304714667] [2024-04-05 07:41:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304714667] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 07:41:30,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 07:41:30,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 07:41:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643034437] [2024-04-05 07:41:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 07:41:30,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 07:41:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 07:41:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 07:41:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-05 07:41:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 07:41:30,257 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) [2024-04-05 07:41:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:30,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 07:41:30,492 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 07:41:30,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2014899360, now seen corresponding path program 1 times [2024-04-05 07:41:30,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 07:41:30,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771109084] [2024-04-05 07:41:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:30,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 07:41:30,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771109084] [2024-04-05 07:41:30,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771109084] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 07:41:30,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 07:41:30,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 07:41:30,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200725692] [2024-04-05 07:41:30,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 07:41:30,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 07:41:30,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 07:41:30,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 07:41:30,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-05 07:41:30,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 07:41:30,697 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) [2024-04-05 07:41:30,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:30,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:30,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:31,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 07:41:31,589 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 07:41:31,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash -764965402, now seen corresponding path program 1 times [2024-04-05 07:41:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 07:41:31,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131578650] [2024-04-05 07:41:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:31,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 07:41:31,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131578650] [2024-04-05 07:41:31,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131578650] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 07:41:31,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 07:41:31,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 07:41:31,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99547141] [2024-04-05 07:41:31,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 07:41:31,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 07:41:31,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 07:41:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 07:41:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-05 07:41:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:31,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 07:41:31,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 07:41:31,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:31,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:31,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:31,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:32,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 07:41:32,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 07:41:32,862 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 07:41:32,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 07:41:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash -237009204, now seen corresponding path program 2 times [2024-04-05 07:41:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 07:41:32,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134974133] [2024-04-05 07:41:32,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:33,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 07:41:33,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134974133] [2024-04-05 07:41:33,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134974133] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 07:41:33,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 07:41:33,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 07:41:33,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39916954] [2024-04-05 07:41:33,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 07:41:33,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 07:41:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 07:41:33,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 07:41:33,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-05 07:41:33,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:33,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 07:41:33,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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 07:41:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 07:41:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash -686480307, now seen corresponding path program 1 times [2024-04-05 07:41:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 07:41:34,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 07:41:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 07:41:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 07:41:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 07:41:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-05 07:41:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 07:41:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 07:41:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 07:41:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 07:41:35,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 07:41:35,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 07:41:35,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 07:41:35,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 07:41:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-05 07:41:35,519 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-04-05 07:41:35,521 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 07:41:35,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 07:41:35,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 07:41:35 BasicIcfg [2024-04-05 07:41:35,523 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 07:41:35,524 INFO L158 Benchmark]: Toolchain (without parser) took 7160.81ms. Allocated memory was 385.9MB in the beginning and 773.8MB in the end (delta: 388.0MB). Free memory was 314.6MB in the beginning and 484.2MB in the end (delta: -169.5MB). Peak memory consumption was 432.0MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,524 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 220.2MB. Free memory is still 185.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 07:41:35,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.09ms. Allocated memory is still 385.9MB. Free memory was 314.4MB in the beginning and 350.5MB in the end (delta: -36.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 385.9MB. Free memory was 350.0MB in the beginning and 348.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,525 INFO L158 Benchmark]: Boogie Preprocessor took 29.31ms. Allocated memory is still 385.9MB. Free memory was 348.4MB in the beginning and 346.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,525 INFO L158 Benchmark]: RCFGBuilder took 357.10ms. Allocated memory is still 385.9MB. Free memory was 346.8MB in the beginning and 332.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,525 INFO L158 Benchmark]: TraceAbstraction took 6259.39ms. Allocated memory was 385.9MB in the beginning and 773.8MB in the end (delta: 388.0MB). Free memory was 331.1MB in the beginning and 484.2MB in the end (delta: -153.1MB). Peak memory consumption was 449.4MB. Max. memory is 8.0GB. [2024-04-05 07:41:35,529 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 220.2MB. Free memory is still 185.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 463.09ms. Allocated memory is still 385.9MB. Free memory was 314.4MB in the beginning and 350.5MB in the end (delta: -36.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 385.9MB. Free memory was 350.0MB in the beginning and 348.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.31ms. Allocated memory is still 385.9MB. Free memory was 348.4MB in the beginning and 346.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 357.10ms. Allocated memory is still 385.9MB. Free memory was 346.8MB in the beginning and 332.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6259.39ms. Allocated memory was 385.9MB in the beginning and 773.8MB in the end (delta: 388.0MB). Free memory was 331.1MB in the beginning and 484.2MB in the end (delta: -153.1MB). Peak memory consumption was 449.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 520356, independent: 513474, independent conditional: 513249, independent unconditional: 225, dependent: 6882, dependent conditional: 6880, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 517662, independent: 513474, independent conditional: 513249, independent unconditional: 225, dependent: 4188, dependent conditional: 4188, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 517662, independent: 513474, independent conditional: 513249, independent unconditional: 225, dependent: 4188, dependent conditional: 4188, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 517662, independent: 513474, independent conditional: 513249, independent unconditional: 225, dependent: 4188, dependent conditional: 4188, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 24410, independent unconditional: 489064, dependent: 21717, dependent conditional: 11925, dependent unconditional: 9792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 4754, independent unconditional: 508720, dependent: 21717, dependent conditional: 2474, dependent unconditional: 19243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 4754, independent unconditional: 508720, dependent: 21717, dependent conditional: 2474, dependent unconditional: 19243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1005, independent: 973, independent conditional: 28, independent unconditional: 945, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1005, independent: 943, independent conditional: 0, independent unconditional: 943, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 26, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 26, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 46, independent conditional: 41, independent unconditional: 6, dependent: 75, dependent conditional: 32, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 535191, independent: 512501, independent conditional: 4726, independent unconditional: 507775, dependent: 21685, dependent conditional: 2456, dependent unconditional: 19229, unknown: 1005, unknown conditional: 46, unknown unconditional: 959] , Statistics on independence cache: Total cache size (in pairs): 1005, Positive cache size: 973, Positive conditional cache size: 28, Positive unconditional cache size: 945, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29107, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 24410, independent unconditional: 489064, dependent: 21717, dependent conditional: 11925, dependent unconditional: 9792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 4754, independent unconditional: 508720, dependent: 21717, dependent conditional: 2474, dependent unconditional: 19243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 535191, independent: 513474, independent conditional: 4754, independent unconditional: 508720, dependent: 21717, dependent conditional: 2474, dependent unconditional: 19243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1005, independent: 973, independent conditional: 28, independent unconditional: 945, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1005, independent: 943, independent conditional: 0, independent unconditional: 943, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 26, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 26, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 46, independent conditional: 41, independent unconditional: 6, dependent: 75, dependent conditional: 32, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 535191, independent: 512501, independent conditional: 4726, independent unconditional: 507775, dependent: 21685, dependent conditional: 2456, dependent unconditional: 19229, unknown: 1005, unknown conditional: 46, unknown unconditional: 959] , Statistics on independence cache: Total cache size (in pairs): 1005, Positive cache size: 973, Positive conditional cache size: 28, Positive unconditional cache size: 945, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29107 ], Independence queries for same thread: 2694 - 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, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.7s, 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: 51, 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, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 1086 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-05 07:41:35,541 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 [2024-04-05 07:41:35,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...