/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 213 --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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 08:24:17,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 08:24:17,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 08:24:17,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 08:24:17,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 08:24:17,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 08:24:17,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 08:24:17,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 08:24:17,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 08:24:17,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 08:24:17,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 08:24:17,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 08:24:17,247 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 08:24:17,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 08:24:17,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 08:24:17,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 08:24:17,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 08:24:17,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 08:24:17,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 08:24:17,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 08:24:17,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 08:24:17,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 08:24:17,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 08:24:17,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 08:24:17,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 08:24:17,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 08:24:17,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 08:24:17,251 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 08:24:17,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 08:24:17,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 08:24:17,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 08:24:17,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 08:24:17,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 08:24:17,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 08:24:17,252 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 08:24:17,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 08:24:17,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 08:24:17,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 08:24:17,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 08:24:17,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 08:24:17,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 08:24:17,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 08:24:17,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 08:24:17,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 08:24:17,415 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 08:24:17,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 08:24:18,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 08:24:18,636 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 08:24:18,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 08:24:18,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/696fe2b35/44da4139d02a474eb84c421e3a9ee007/FLAG9c143de04 [2024-05-07 08:24:18,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/696fe2b35/44da4139d02a474eb84c421e3a9ee007 [2024-05-07 08:24:18,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 08:24:18,679 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 08:24:18,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 08:24:18,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 08:24:18,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 08:24:18,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:24:18" (1/1) ... [2024-05-07 08:24:18,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f2b0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:18, skipping insertion in model container [2024-05-07 08:24:18,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 08:24:18" (1/1) ... [2024-05-07 08:24:18,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 08:24:18,846 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 08:24:19,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 08:24:19,013 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 08:24:19,024 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 08:24:19,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 08:24:19,091 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 08:24:19,091 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 08:24:19,097 INFO L206 MainTranslator]: Completed translation [2024-05-07 08:24:19,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19 WrapperNode [2024-05-07 08:24:19,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 08:24:19,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 08:24:19,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 08:24:19,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 08:24:19,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,148 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-07 08:24:19,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 08:24:19,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 08:24:19,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 08:24:19,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 08:24:19,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 08:24:19,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 08:24:19,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 08:24:19,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 08:24:19,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (1/1) ... [2024-05-07 08:24:19,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 08:24:19,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 08:24:19,244 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) [2024-05-07 08:24:19,250 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 [2024-05-07 08:24:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 08:24:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 08:24:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-07 08:24:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-07 08:24:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-07 08:24:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 08:24:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 08:24:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 08:24:19,327 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 08:24:19,419 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 08:24:19,421 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 08:24:19,538 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 08:24:19,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 08:24:19,546 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 08:24:19,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:24:19 BoogieIcfgContainer [2024-05-07 08:24:19,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 08:24:19,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 08:24:19,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 08:24:19,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 08:24:19,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 08:24:18" (1/3) ... [2024-05-07 08:24:19,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708ad02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:24:19, skipping insertion in model container [2024-05-07 08:24:19,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 08:24:19" (2/3) ... [2024-05-07 08:24:19,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708ad02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 08:24:19, skipping insertion in model container [2024-05-07 08:24:19,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 08:24:19" (3/3) ... [2024-05-07 08:24:19,553 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 08:24:19,559 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 08:24:19,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 08:24:19,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 08:24:19,566 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 08:24:19,601 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 08:24:19,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 08:24:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 08:24:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 08:24:19,638 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) [2024-05-07 08:24:19,639 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 [2024-05-07 08:24:19,668 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 08:24:19,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 08:24:19,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 08:24:19,684 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;@4907fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 08:24:19,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 08:24:19,732 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)] === [2024-05-07 08:24:19,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 08:24:19,733 INFO L85 PathProgramCache]: Analyzing trace with hash 501848367, now seen corresponding path program 1 times [2024-05-07 08:24:19,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 08:24:19,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14211300] [2024-05-07 08:24:19,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:20,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 08:24:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14211300] [2024-05-07 08:24:20,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14211300] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 08:24:20,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 08:24:20,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 08:24:20,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122754977] [2024-05-07 08:24:20,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 08:24:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 08:24:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 08:24:20,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 08:24:20,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 08:24:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 08:24:20,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 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) [2024-05-07 08:24:20,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 08:24:20,165 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)] === [2024-05-07 08:24:20,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 08:24:20,166 INFO L85 PathProgramCache]: Analyzing trace with hash -836653201, now seen corresponding path program 1 times [2024-05-07 08:24:20,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 08:24:20,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772761706] [2024-05-07 08:24:20,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:20,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 08:24:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772761706] [2024-05-07 08:24:20,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772761706] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 08:24:20,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 08:24:20,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 08:24:20,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224557575] [2024-05-07 08:24:20,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 08:24:20,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 08:24:20,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 08:24:20,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 08:24:20,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 08:24:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 08:24:20,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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) [2024-05-07 08:24:20,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:20,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1598531866, now seen corresponding path program 1 times [2024-05-07 08:24:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:21,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 08:24:21,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-07 08:24:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1331516626, now seen corresponding path program 1 times [2024-05-07 08:24:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:21,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 08:24:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1203800048, now seen corresponding path program 1 times [2024-05-07 08:24:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 08:24:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1820695366, now seen corresponding path program 1 times [2024-05-07 08:24:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:23,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 08:24:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2121963517, now seen corresponding path program 1 times [2024-05-07 08:24:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:23,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 08:24:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 08:24:23,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-07 08:24:23,410 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)] === [2024-05-07 08:24:23,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 08:24:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash 492900528, now seen corresponding path program 1 times [2024-05-07 08:24:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 08:24:23,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697020162] [2024-05-07 08:24:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:23,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 08:24:23,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697020162] [2024-05-07 08:24:23,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697020162] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 08:24:23,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 08:24:23,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 08:24:23,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550768861] [2024-05-07 08:24:23,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 08:24:23,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 08:24:23,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 08:24:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 08:24:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 08:24:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:23,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 08:24:23,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) [2024-05-07 08:24:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 08:24:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:23,878 INFO L85 PathProgramCache]: Analyzing trace with hash -216954308, now seen corresponding path program 1 times [2024-05-07 08:24:23,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:23,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 08:24:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 08:24:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 08:24:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 08:24:25,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9 [2024-05-07 08:24:25,328 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)] === [2024-05-07 08:24:25,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 08:24:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash -478739654, now seen corresponding path program 2 times [2024-05-07 08:24:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 08:24:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056963] [2024-05-07 08:24:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 08:24:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 08:24:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 08:24:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 08:24:25,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 08:24:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056963] [2024-05-07 08:24:25,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056963] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 08:24:25,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 08:24:25,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 08:24:25,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424063526] [2024-05-07 08:24:25,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 08:24:25,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 08:24:25,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 08:24:25,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 08:24:25,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 08:24:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:25,487 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 08:24:25,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) [2024-05-07 08:24:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 08:24:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 08:24:25,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 08:24:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 08:24:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 08:24:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 08:24:27,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 08:24:27,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 08:24:27,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 08:24:27,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 08:24:27,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-07 08:24:27,078 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 08:24:27,080 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 08:24:27,080 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 08:24:27,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 08:24:27 BasicIcfg [2024-05-07 08:24:27,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 08:24:27,083 INFO L158 Benchmark]: Toolchain (without parser) took 8404.81ms. Allocated memory was 159.4MB in the beginning and 443.5MB in the end (delta: 284.2MB). Free memory was 89.5MB in the beginning and 231.3MB in the end (delta: -141.8MB). Peak memory consumption was 142.7MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,084 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 159.4MB. Free memory was 96.6MB in the beginning and 96.4MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 08:24:27,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.17ms. Allocated memory is still 159.4MB. Free memory was 89.3MB in the beginning and 68.6MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 159.4MB. Free memory was 68.5MB in the beginning and 66.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,084 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 159.4MB. Free memory was 66.6MB in the beginning and 65.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,085 INFO L158 Benchmark]: RCFGBuilder took 365.70ms. Allocated memory was 159.4MB in the beginning and 242.2MB in the end (delta: 82.8MB). Free memory was 65.0MB in the beginning and 201.3MB in the end (delta: -136.2MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,085 INFO L158 Benchmark]: TraceAbstraction took 7534.29ms. Allocated memory was 242.2MB in the beginning and 443.5MB in the end (delta: 201.3MB). Free memory was 200.2MB in the beginning and 231.3MB in the end (delta: -31.0MB). Peak memory consumption was 170.3MB. Max. memory is 8.0GB. [2024-05-07 08:24:27,086 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 159.4MB. Free memory was 96.6MB in the beginning and 96.4MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 418.17ms. Allocated memory is still 159.4MB. Free memory was 89.3MB in the beginning and 68.6MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 159.4MB. Free memory was 68.5MB in the beginning and 66.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 159.4MB. Free memory was 66.6MB in the beginning and 65.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 365.70ms. Allocated memory was 159.4MB in the beginning and 242.2MB in the end (delta: 82.8MB). Free memory was 65.0MB in the beginning and 201.3MB in the end (delta: -136.2MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * TraceAbstraction took 7534.29ms. Allocated memory was 242.2MB in the beginning and 443.5MB in the end (delta: 201.3MB). Free memory was 200.2MB in the beginning and 231.3MB in the end (delta: -31.0MB). Peak memory consumption was 170.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 161881, independent: 159687, independent conditional: 159484, independent unconditional: 203, dependent: 2194, dependent conditional: 2194, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161795, independent: 159687, independent conditional: 159484, independent unconditional: 203, dependent: 2108, dependent conditional: 2108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161795, independent: 159687, independent conditional: 159484, independent unconditional: 203, dependent: 2108, dependent conditional: 2108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 161795, independent: 159687, independent conditional: 159484, independent unconditional: 203, dependent: 2108, dependent conditional: 2108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 76340, independent unconditional: 83347, dependent: 7227, dependent conditional: 5120, dependent unconditional: 2107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 33467, independent unconditional: 126220, dependent: 7227, dependent conditional: 2810, dependent unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 33467, independent unconditional: 126220, dependent: 7227, dependent conditional: 2810, dependent unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1104, independent: 1065, independent conditional: 196, independent unconditional: 869, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1104, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 49, independent conditional: 46, independent unconditional: 3, dependent: 73, dependent conditional: 62, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166914, independent: 158622, independent conditional: 33271, independent unconditional: 125351, dependent: 7188, dependent conditional: 2784, dependent unconditional: 4404, unknown: 1104, unknown conditional: 222, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 1104, Positive cache size: 1065, Positive conditional cache size: 196, Positive unconditional cache size: 869, Negative cache size: 39, Negative conditional cache size: 26, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45183, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 76340, independent unconditional: 83347, dependent: 7227, dependent conditional: 5120, dependent unconditional: 2107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 33467, independent unconditional: 126220, dependent: 7227, dependent conditional: 2810, dependent unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166914, independent: 159687, independent conditional: 33467, independent unconditional: 126220, dependent: 7227, dependent conditional: 2810, dependent unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1104, independent: 1065, independent conditional: 196, independent unconditional: 869, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1104, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 39, dependent conditional: 26, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 49, independent conditional: 46, independent unconditional: 3, dependent: 73, dependent conditional: 62, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166914, independent: 158622, independent conditional: 33271, independent unconditional: 125351, dependent: 7188, dependent conditional: 2784, dependent unconditional: 4404, unknown: 1104, unknown conditional: 222, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 1104, Positive cache size: 1065, Positive conditional cache size: 196, Positive unconditional cache size: 869, Negative cache size: 39, Negative conditional cache size: 26, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45183 ], Independence queries for same thread: 86 - 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: 7.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 6.3s, 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: 34, 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, 0.8s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 1199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 3.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 68, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 08:24:27,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-07 08:24:27,306 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...