/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --icfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --traceabstraction.dfs.order.used.in.por BY_SERIAL_NUMBER --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL --traceabstraction.commutativity.condition.synthesis NONE -i ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 04:11:30,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 04:11:30,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-16 04:11:30,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 04:11:30,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 04:11:30,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 04:11:30,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 04:11:30,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 04:11:30,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 04:11:30,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 04:11:30,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 04:11:30,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 04:11:30,338 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 04:11:30,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 04:11:30,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 04:11:30,340 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:11:30,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:11:30,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 04:11:30,340 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 04:11:30,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> BY_SERIAL_NUMBER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-16 04:11:30,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 04:11:30,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 04:11:30,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 04:11:30,615 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 04:11:30,616 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 04:11:30,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2025-04-16 04:11:31,913 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987aa79a9/f973d750e35a41e1a08491b56e90b649/FLAG5f0791b02 [2025-04-16 04:11:32,195 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 04:11:32,195 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2025-04-16 04:11:32,212 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987aa79a9/f973d750e35a41e1a08491b56e90b649/FLAG5f0791b02 [2025-04-16 04:11:32,917 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987aa79a9/f973d750e35a41e1a08491b56e90b649 [2025-04-16 04:11:32,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 04:11:32,921 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 04:11:32,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 04:11:32,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 04:11:32,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 04:11:32,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:11:32" (1/1) ... [2025-04-16 04:11:32,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336236f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:32, skipping insertion in model container [2025-04-16 04:11:32,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:11:32" (1/1) ... [2025-04-16 04:11:32,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 04:11:33,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:11:33,236 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 04:11:33,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:11:33,335 INFO L204 MainTranslator]: Completed translation [2025-04-16 04:11:33,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33 WrapperNode [2025-04-16 04:11:33,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 04:11:33,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 04:11:33,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 04:11:33,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 04:11:33,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,397 INFO L138 Inliner]: procedures = 180, calls = 59, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 678 [2025-04-16 04:11:33,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 04:11:33,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 04:11:33,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 04:11:33,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 04:11:33,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 04:11:33,443 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 04:11:33,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 04:11:33,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 04:11:33,444 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (1/1) ... [2025-04-16 04:11:33,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:11:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 04:11:33,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-16 04:11:33,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-16 04:11:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-04-16 04:11:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-04-16 04:11:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 04:11:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 04:11:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 04:11:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 04:11:33,501 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 04:11:33,593 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 04:11:33,595 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 04:11:34,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc sysmon_power_daemon_task_#t~nondet16#1; [2025-04-16 04:11:34,258 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 04:11:34,259 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 04:11:34,259 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 04:11:34,539 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-16 04:11:34,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 04:11:34 BoogieIcfgContainer [2025-04-16 04:11:34,540 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-16 04:11:34,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-16 04:11:34,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-16 04:11:34,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-16 04:11:34,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 04:11:32" (1/3) ... [2025-04-16 04:11:34,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff2c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 04:11:34, skipping insertion in model container [2025-04-16 04:11:34,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:11:33" (2/3) ... [2025-04-16 04:11:34,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff2c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 04:11:34, skipping insertion in model container [2025-04-16 04:11:34,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 04:11:34" (3/3) ... [2025-04-16 04:11:34,548 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced_2.i [2025-04-16 04:11:34,560 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-16 04:11:34,563 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced_2.i that has 2 procedures, 400 locations, 466 edges, 1 initial locations, 3 loop locations, and 74 error locations. [2025-04-16 04:11:34,563 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-16 04:11:34,634 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-16 04:11:34,675 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:34,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-16 04:11:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 04:11:34,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-16 04:11:34,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-16 04:11:34,738 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 04:11:34,746 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2025-04-16 04:11:34,752 INFO L340 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, 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;@283a6477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:34,752 INFO L341 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-04-16 04:11:35,023 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err73ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:11:35,027 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:35,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1038888748, now seen corresponding path program 1 times [2025-04-16 04:11:35,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:35,033 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037538880] [2025-04-16 04:11:35,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:35,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-16 04:11:35,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-16 04:11:35,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:35,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:11:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:11:35,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:11:35,157 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037538880] [2025-04-16 04:11:35,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037538880] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:11:35,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:11:35,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-16 04:11:35,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505247336] [2025-04-16 04:11:35,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:11:35,166 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-16 04:11:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:11:35,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-16 04:11:35,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-16 04:11:35,188 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,192 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:11:35,193 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 27.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2025-04-16 04:11:35,193 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,322 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-16 04:11:35,322 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err61ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:11:35,322 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:35,322 INFO L85 PathProgramCache]: Analyzing trace with hash 858449528, now seen corresponding path program 1 times [2025-04-16 04:11:35,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:35,322 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286224176] [2025-04-16 04:11:35,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:35,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:35,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-16 04:11:35,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-16 04:11:35,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:35,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:11:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:11:35,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:11:35,430 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286224176] [2025-04-16 04:11:35,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286224176] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:11:35,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:11:35,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:11:35,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610136563] [2025-04-16 04:11:35,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:11:35,431 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:11:35,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:11:35,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:11:35,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:11:35,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,432 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:11:35,433 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 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) [2025-04-16 04:11:35,433 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,433 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:35,621 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-16 04:11:35,621 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err62ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:11:35,621 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:35,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1127893622, now seen corresponding path program 1 times [2025-04-16 04:11:35,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:35,621 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194625687] [2025-04-16 04:11:35,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:35,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-04-16 04:11:35,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-04-16 04:11:35,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:35,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:11:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:11:35,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:11:35,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194625687] [2025-04-16 04:11:35,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194625687] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:11:35,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:11:35,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:11:35,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88521932] [2025-04-16 04:11:35,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:11:35,690 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:11:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:11:35,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:11:35,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:11:35,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,691 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:11:35,691 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2025-04-16 04:11:35,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:35,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:35,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,041 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-16 04:11:36,041 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err34ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:11:36,042 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1473800225, now seen corresponding path program 1 times [2025-04-16 04:11:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:36,042 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393886358] [2025-04-16 04:11:36,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:36,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:36,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-16 04:11:36,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-16 04:11:36,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:36,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:11:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:11:36,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:11:36,116 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393886358] [2025-04-16 04:11:36,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393886358] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:11:36,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:11:36,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:11:36,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093184688] [2025-04-16 04:11:36,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:11:36,117 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:11:36,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:11:36,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:11:36,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:11:36,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,118 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:11:36,118 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2025-04-16 04:11:36,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,484 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,484 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-16 04:11:36,484 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err40ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:11:36,485 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1636129632, now seen corresponding path program 1 times [2025-04-16 04:11:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:36,485 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056927907] [2025-04-16 04:11:36,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:36,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-16 04:11:36,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-16 04:11:36,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:36,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:11:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:11:36,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:11:36,535 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056927907] [2025-04-16 04:11:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056927907] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:11:36,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:11:36,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:11:36,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49181561] [2025-04-16 04:11:36,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:11:36,536 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:11:36,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:11:36,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:11:36,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:11:36,537 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,538 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:11:36,538 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2025-04-16 04:11:36,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:36,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:36,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:37,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:11:37,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:37,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:37,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:37,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err56ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err55ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err50ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err49ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err54ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2025-04-16 04:11:37,025 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err73ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err72ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err48ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err71ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err47ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err26ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err25ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err52ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err51ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err46ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err45ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err44ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err43ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err53ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err24ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err21ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err20ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err42ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err31ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2025-04-16 04:11:37,026 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err30ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err23ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err22ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err19ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err70ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err29ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2025-04-16 04:11:37,027 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err33ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err67ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err28ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2025-04-16 04:11:37,028 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err27ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err64ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err63ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err41ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err69ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err68ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err66ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err65ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err62ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2025-04-16 04:11:37,029 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err40ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err39ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err38ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err58ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err57ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err37ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err61ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err60ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err59ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err36ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err35ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2025-04-16 04:11:37,030 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thr1Err34ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2025-04-16 04:11:37,031 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-16 04:11:37,040 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-16 04:11:37,041 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2025-04-16 04:11:37,051 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,053 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 04:11:37,054 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-16 04:11:37,054 INFO L340 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, 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;@283a6477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,055 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-16 04:11:37,139 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-16 04:11:37,140 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:37,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1168621579, now seen corresponding path program 1 times [2025-04-16 04:11:37,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:37,140 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132729962] [2025-04-16 04:11:37,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:37,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:37,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-16 04:11:37,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-16 04:11:37,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:37,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 04:11:37,153 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-16 04:11:37,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-16 04:11:37,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-16 04:11:37,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:37,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 04:11:37,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-16 04:11:37,177 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-16 04:11:37,178 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2025-04-16 04:11:37,178 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-16 04:11:37,179 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-16 04:11:37,179 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2025-04-16 04:11:37,180 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-04-16 04:11:37,180 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-04-16 04:11:37,244 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-16 04:11:37,251 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,262 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 04:11:37,262 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-16 04:11:37,263 INFO L340 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, 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;@283a6477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,263 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-16 04:11:37,393 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-16 04:11:37,393 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:11:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -562546488, now seen corresponding path program 1 times [2025-04-16 04:11:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:11:37,393 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099016675] [2025-04-16 04:11:37,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:11:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:11:37,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-16 04:11:37,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-16 04:11:37,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:37,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 04:11:37,403 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-16 04:11:37,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-16 04:11:37,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-16 04:11:37,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:11:37,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 04:11:37,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-16 04:11:37,415 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-16 04:11:37,415 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2025-04-16 04:11:37,417 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-16 04:11:37,420 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-16 04:11:37,420 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2025-04-16 04:11:37,420 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-04-16 04:11:37,420 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-04-16 04:11:37,548 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-16 04:11:37,555 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,572 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 04:11:37,572 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2025-04-16 04:11:37,572 INFO L340 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, 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;@283a6477, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 04:11:37,572 INFO L341 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-04-16 04:12:18,944 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err73ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:12:18,945 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:12:18,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1878434278, now seen corresponding path program 1 times [2025-04-16 04:12:18,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:12:18,945 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633205319] [2025-04-16 04:12:18,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:12:18,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:12:18,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-16 04:12:18,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-16 04:12:18,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:12:18,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:12:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:12:18,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:12:18,958 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633205319] [2025-04-16 04:12:18,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633205319] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:12:18,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:12:18,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-16 04:12:18,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313037022] [2025-04-16 04:12:18,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:12:18,959 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-16 04:12:18,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:12:18,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-16 04:12:18,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-16 04:12:18,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:18,960 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:12:18,961 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 29.0) internal successors, (29), 2 states have internal predecessors, (29), 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) [2025-04-16 04:12:18,961 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:40,137 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:40,137 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-16 04:12:40,137 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err61ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:12:40,138 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:12:40,138 INFO L85 PathProgramCache]: Analyzing trace with hash -190488759, now seen corresponding path program 1 times [2025-04-16 04:12:40,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:12:40,138 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015533059] [2025-04-16 04:12:40,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:12:40,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:12:40,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-04-16 04:12:40,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-04-16 04:12:40,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:12:40,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:12:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:12:40,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:12:40,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015533059] [2025-04-16 04:12:40,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015533059] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:12:40,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:12:40,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-16 04:12:40,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390714799] [2025-04-16 04:12:40,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:12:40,242 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:12:40,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:12:40,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:12:40,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:12:40,242 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:40,246 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:12:40,246 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2025-04-16 04:12:40,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:40,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:59,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:59,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:12:59,202 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-16 04:12:59,202 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err61ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:12:59,203 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:12:59,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1501966127, now seen corresponding path program 1 times [2025-04-16 04:12:59,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:12:59,203 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490756545] [2025-04-16 04:12:59,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:12:59,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:12:59,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-04-16 04:12:59,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-04-16 04:12:59,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:12:59,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:12:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:12:59,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:12:59,251 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490756545] [2025-04-16 04:12:59,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490756545] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:12:59,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:12:59,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:12:59,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908837973] [2025-04-16 04:12:59,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:12:59,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:12:59,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:12:59,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:12:59,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:12:59,252 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:59,255 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:12:59,255 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 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) [2025-04-16 04:12:59,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:12:59,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:12:59,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:13:15,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:13:15,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:13:15,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:13:15,867 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-16 04:13:15,867 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err62ASSERT_VIOLATIONDATA_RACE === [thr1Err56ASSERT_VIOLATIONDATA_RACE, thr1Err55ASSERT_VIOLATIONDATA_RACE, thr1Err50ASSERT_VIOLATIONDATA_RACE, thr1Err49ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2025-04-16 04:13:15,868 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 04:13:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1626465732, now seen corresponding path program 1 times [2025-04-16 04:13:15,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 04:13:15,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845511722] [2025-04-16 04:13:15,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 04:13:15,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 04:13:15,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-04-16 04:13:15,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-04-16 04:13:15,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 04:13:15,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 04:13:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 04:13:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 04:13:15,887 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845511722] [2025-04-16 04:13:15,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845511722] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 04:13:15,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 04:13:15,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 04:13:15,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478714523] [2025-04-16 04:13:15,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 04:13:15,887 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 04:13:15,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 04:13:15,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 04:13:15,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 04:13:15,888 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:13:15,889 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 04:13:15,889 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2025-04-16 04:13:15,889 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 04:13:15,889 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:13:15,889 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-16 04:13:15,889 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.