/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 01:55:32,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 01:55:32,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 01:55:32,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 01:55:32,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 01:55:32,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 01:55:32,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 01:55:32,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 01:55:32,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 01:55:32,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 01:55:32,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 01:55:32,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 01:55:32,514 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 01:55:32,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 01:55:32,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 01:55:32,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 01:55:32,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 01:55:32,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 01:55:32,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 01:55:32,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 01:55:32,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 01:55:32,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 01:55:32,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 01:55:32,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 01:55:32,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 01:55:32,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 01:55:32,752 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 01:55:32,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-04-04 01:55:33,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 01:55:34,003 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 01:55:34,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-04-04 01:55:34,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3ad5c7e/4fd4b78d446a42c0aa846364bbd06333/FLAG33ba4b9dd [2024-04-04 01:55:34,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3ad5c7e/4fd4b78d446a42c0aa846364bbd06333 [2024-04-04 01:55:34,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 01:55:34,036 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 01:55:34,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 01:55:34,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 01:55:34,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 01:55:34,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223dfa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34, skipping insertion in model container [2024-04-04 01:55:34,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 01:55:34,235 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2024-04-04 01:55:34,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 01:55:34,377 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 01:55:34,390 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/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2024-04-04 01:55:34,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 01:55:34,461 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 01:55:34,461 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 01:55:34,469 INFO L206 MainTranslator]: Completed translation [2024-04-04 01:55:34,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34 WrapperNode [2024-04-04 01:55:34,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 01:55:34,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 01:55:34,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 01:55:34,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 01:55:34,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,515 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-04-04 01:55:34,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 01:55:34,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 01:55:34,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 01:55:34,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 01:55:34,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 01:55:34,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 01:55:34,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 01:55:34,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 01:55:34,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (1/1) ... [2024-04-04 01:55:34,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 01:55:34,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 01:55:34,597 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) [2024-04-04 01:55:34,620 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 [2024-04-04 01:55:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 01:55:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-04 01:55:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-04 01:55:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-04 01:55:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-04 01:55:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-04 01:55:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 01:55:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 01:55:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 01:55:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 01:55:34,643 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 01:55:34,771 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 01:55:34,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 01:55:34,932 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 01:55:34,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 01:55:34,939 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-04 01:55:34,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:55:34 BoogieIcfgContainer [2024-04-04 01:55:34,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 01:55:34,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 01:55:34,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 01:55:34,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 01:55:34,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 01:55:34" (1/3) ... [2024-04-04 01:55:34,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e57f762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:55:34, skipping insertion in model container [2024-04-04 01:55:34,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:55:34" (2/3) ... [2024-04-04 01:55:34,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e57f762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:55:34, skipping insertion in model container [2024-04-04 01:55:34,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:55:34" (3/3) ... [2024-04-04 01:55:34,947 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-04-04 01:55:34,954 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 01:55:34,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 01:55:34,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 01:55:34,962 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 01:55:35,014 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 01:55:35,050 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 01:55:35,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 01:55:35,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 01:55:35,051 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) [2024-04-04 01:55:35,052 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 [2024-04-04 01:55:35,090 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 01:55:35,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 01:55:35,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 01:55:35,106 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;@e95e022, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 01:55:35,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 01:55:35,200 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)] === [2024-04-04 01:55:35,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 01:55:35,203 INFO L85 PathProgramCache]: Analyzing trace with hash -379404061, now seen corresponding path program 1 times [2024-04-04 01:55:35,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 01:55:35,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196118892] [2024-04-04 01:55:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 01:55:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 01:55:35,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 01:55:35,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196118892] [2024-04-04 01:55:35,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196118892] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 01:55:35,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 01:55:35,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 01:55:35,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068684528] [2024-04-04 01:55:35,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 01:55:35,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 01:55:35,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 01:55:35,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 01:55:35,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 01:55:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:35,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 01:55:35,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 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) [2024-04-04 01:55:35,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:35,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 01:55:35,534 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)] === [2024-04-04 01:55:35,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 01:55:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1293355401, now seen corresponding path program 1 times [2024-04-04 01:55:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 01:55:35,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239385518] [2024-04-04 01:55:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 01:55:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 01:55:35,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 01:55:35,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239385518] [2024-04-04 01:55:35,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239385518] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 01:55:35,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 01:55:35,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 01:55:35,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213220748] [2024-04-04 01:55:35,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 01:55:35,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 01:55:35,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 01:55:35,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 01:55:35,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-04 01:55:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:35,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 01:55:35,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2024-04-04 01:55:35,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:35,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 01:55:36,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 01:55:36,222 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)] === [2024-04-04 01:55:36,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 01:55:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash -698706870, now seen corresponding path program 1 times [2024-04-04 01:55:36,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 01:55:36,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728920476] [2024-04-04 01:55:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:36,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 01:55:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 01:55:36,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 01:55:36,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728920476] [2024-04-04 01:55:36,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728920476] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 01:55:36,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 01:55:36,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 01:55:36,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357438300] [2024-04-04 01:55:36,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 01:55:36,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 01:55:36,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 01:55:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 01:55:36,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-04 01:55:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 01:55:36,463 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) [2024-04-04 01:55:36,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 01:55:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 01:55:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 01:55:36,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 01:55:36,613 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)] === [2024-04-04 01:55:36,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 01:55:36,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1581544524, now seen corresponding path program 1 times [2024-04-04 01:55:36,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 01:55:36,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155863633] [2024-04-04 01:55:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 01:55:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 01:55:36,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 01:55:36,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155863633] [2024-04-04 01:55:36,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155863633] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 01:55:36,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 01:55:36,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 01:55:36,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689143868] [2024-04-04 01:55:36,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 01:55:36,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 01:55:36,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 01:55:36,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 01:55:36,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-04 01:55:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 01:55:36,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2024-04-04 01:55:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 01:55:36,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 01:55:36,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:37,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1618974045, now seen corresponding path program 1 times [2024-04-04 01:55:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:37,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:37,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:37,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1299151387, now seen corresponding path program 1 times [2024-04-04 01:55:37,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:37,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:37,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:37,980 INFO L85 PathProgramCache]: Analyzing trace with hash -927920431, now seen corresponding path program 1 times [2024-04-04 01:55:37,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:37,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:37,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,070 INFO L85 PathProgramCache]: Analyzing trace with hash -584121135, now seen corresponding path program 1 times [2024-04-04 01:55:38,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:38,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,142 INFO L85 PathProgramCache]: Analyzing trace with hash -434482387, now seen corresponding path program 1 times [2024-04-04 01:55:38,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:38,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,200 INFO L85 PathProgramCache]: Analyzing trace with hash -845296862, now seen corresponding path program 1 times [2024-04-04 01:55:38,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:38,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2105475086, now seen corresponding path program 1 times [2024-04-04 01:55:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:38,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash 486271268, now seen corresponding path program 1 times [2024-04-04 01:55:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 01:55:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 01:55:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 01:55:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 01:55:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 01:55:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 01:55:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 01:55:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 01:55:38,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 01:55:38,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 01:55:38,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 01:55:38,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 01:55:38,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-04-04 01:55:38,798 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 01:55:38,800 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 01:55:38,800 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 01:55:38,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 01:55:38 BasicIcfg [2024-04-04 01:55:38,803 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 01:55:38,803 INFO L158 Benchmark]: Toolchain (without parser) took 4767.07ms. Allocated memory was 160.4MB in the beginning and 338.7MB in the end (delta: 178.3MB). Free memory was 87.1MB in the beginning and 138.1MB in the end (delta: -51.0MB). Peak memory consumption was 164.9MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,803 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 160.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 01:55:38,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.87ms. Allocated memory was 160.4MB in the beginning and 265.3MB in the end (delta: 104.9MB). Free memory was 86.9MB in the beginning and 229.2MB in the end (delta: -142.3MB). Peak memory consumption was 23.5MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 265.3MB. Free memory was 229.2MB in the beginning and 233.3MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,806 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 265.3MB. Free memory was 233.3MB in the beginning and 231.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,807 INFO L158 Benchmark]: RCFGBuilder took 394.58ms. Allocated memory is still 265.3MB. Free memory was 231.7MB in the beginning and 216.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,807 INFO L158 Benchmark]: TraceAbstraction took 3860.49ms. Allocated memory was 265.3MB in the beginning and 338.7MB in the end (delta: 73.4MB). Free memory was 214.4MB in the beginning and 138.1MB in the end (delta: 76.4MB). Peak memory consumption was 186.5MB. Max. memory is 8.0GB. [2024-04-04 01:55:38,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 160.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.87ms. Allocated memory was 160.4MB in the beginning and 265.3MB in the end (delta: 104.9MB). Free memory was 86.9MB in the beginning and 229.2MB in the end (delta: -142.3MB). Peak memory consumption was 23.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 265.3MB. Free memory was 229.2MB in the beginning and 233.3MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 265.3MB. Free memory was 233.3MB in the beginning and 231.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 394.58ms. Allocated memory is still 265.3MB. Free memory was 231.7MB in the beginning and 216.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3860.49ms. Allocated memory was 265.3MB in the beginning and 338.7MB in the end (delta: 73.4MB). Free memory was 214.4MB in the beginning and 138.1MB in the end (delta: 76.4MB). Peak memory consumption was 186.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 96679, independent: 95690, independent conditional: 95511, independent unconditional: 179, dependent: 989, dependent conditional: 986, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96586, independent: 95690, independent conditional: 95511, independent unconditional: 179, dependent: 896, dependent conditional: 896, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96586, independent: 95690, independent conditional: 95511, independent unconditional: 179, dependent: 896, dependent conditional: 896, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96586, independent: 95690, independent conditional: 95511, independent unconditional: 179, dependent: 896, dependent conditional: 896, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 4624, independent unconditional: 91066, dependent: 5062, dependent conditional: 2764, dependent unconditional: 2298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 1678, independent unconditional: 94012, dependent: 5062, dependent conditional: 666, dependent unconditional: 4396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 1678, independent unconditional: 94012, dependent: 5062, dependent conditional: 666, dependent unconditional: 4396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 938, independent: 916, independent conditional: 20, independent unconditional: 896, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 938, independent: 902, independent conditional: 0, independent unconditional: 902, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 48, dependent conditional: 14, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 100752, independent: 94774, independent conditional: 1658, independent unconditional: 93116, dependent: 5040, dependent conditional: 656, dependent unconditional: 4384, unknown: 938, unknown conditional: 30, unknown unconditional: 908] , Statistics on independence cache: Total cache size (in pairs): 938, Positive cache size: 916, Positive conditional cache size: 20, Positive unconditional cache size: 896, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5044, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 4624, independent unconditional: 91066, dependent: 5062, dependent conditional: 2764, dependent unconditional: 2298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 1678, independent unconditional: 94012, dependent: 5062, dependent conditional: 666, dependent unconditional: 4396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100752, independent: 95690, independent conditional: 1678, independent unconditional: 94012, dependent: 5062, dependent conditional: 666, dependent unconditional: 4396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 938, independent: 916, independent conditional: 20, independent unconditional: 896, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 938, independent: 902, independent conditional: 0, independent unconditional: 902, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 48, dependent conditional: 14, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 100752, independent: 94774, independent conditional: 1658, independent unconditional: 93116, dependent: 5040, dependent conditional: 656, dependent unconditional: 4384, unknown: 938, unknown conditional: 30, unknown unconditional: 908] , Statistics on independence cache: Total cache size (in pairs): 938, Positive cache size: 916, Positive conditional cache size: 20, Positive unconditional cache size: 896, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5044 ], Independence queries for same thread: 93 - 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, 124 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.4s, 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: 39, 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, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 913 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 01:55:38,824 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 [2024-04-04 01:55:39,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...