./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 20174008 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58b504e0f9c99c4dab9903d0572a1a6fc9dccc97093dedf55f23b393d189b988 --- Real Ultimate output --- This is Ultimate 0.2.3-?-2017400-m [2023-11-24 11:01:29,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 11:01:29,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 11:01:29,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 11:01:29,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 11:01:29,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 11:01:29,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 11:01:29,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 11:01:29,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 11:01:29,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 11:01:29,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 11:01:29,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 11:01:29,690 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 11:01:29,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 11:01:29,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 11:01:29,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 11:01:29,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 11:01:29,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 11:01:29,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 11:01:29,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 11:01:29,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 11:01:29,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 11:01:29,693 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 11:01:29,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 11:01:29,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 11:01:29,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 11:01:29,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 11:01:29,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 11:01:29,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 11:01:29,695 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 11:01:29,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 11:01:29,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 11:01:29,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 11:01:29,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 11:01:29,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 11:01:29,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 11:01:29,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 11:01:29,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 11:01:29,706 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 11:01:29,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 11:01:29,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 11:01:29,706 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 11:01:29,707 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 11:01:29,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58b504e0f9c99c4dab9903d0572a1a6fc9dccc97093dedf55f23b393d189b988 [2023-11-24 11:01:29,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 11:01:29,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 11:01:29,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 11:01:29,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 11:01:29,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 11:01:29,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2023-11-24 11:01:31,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 11:01:31,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 11:01:31,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced_2.i [2023-11-24 11:01:31,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75df3f03d/5750c200c16c4d088ea54c0f87501c59/FLAGaa085653f [2023-11-24 11:01:31,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75df3f03d/5750c200c16c4d088ea54c0f87501c59 [2023-11-24 11:01:31,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 11:01:31,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 11:01:31,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 11:01:31,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 11:01:31,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 11:01:31,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108332fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31, skipping insertion in model container [2023-11-24 11:01:31,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 11:01:31,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 11:01:31,647 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 11:01:31,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 11:01:31,732 INFO L206 MainTranslator]: Completed translation [2023-11-24 11:01:31,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31 WrapperNode [2023-11-24 11:01:31,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 11:01:31,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 11:01:31,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 11:01:31,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 11:01:31,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,798 INFO L138 Inliner]: procedures = 181, calls = 62, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 697 [2023-11-24 11:01:31,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 11:01:31,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 11:01:31,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 11:01:31,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 11:01:31,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 11:01:31,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 11:01:31,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 11:01:31,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 11:01:31,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 11:01:31,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 11:01:31,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:01:31,936 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) [2023-11-24 11:01:31,938 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 [2023-11-24 11:01:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 11:01:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 11:01:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 11:01:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 11:01:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 11:01:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 11:01:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 11:01:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 11:01:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 11:01:31,979 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 11:01:32,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 11:01:32,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 11:01:32,826 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 11:01:33,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 11:01:33,084 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 11:01:33,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:33 BoogieIcfgContainer [2023-11-24 11:01:33,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 11:01:33,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 11:01:33,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 11:01:33,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 11:01:33,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:01:31" (1/3) ... [2023-11-24 11:01:33,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38747fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:01:33, skipping insertion in model container [2023-11-24 11:01:33,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (2/3) ... [2023-11-24 11:01:33,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38747fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:01:33, skipping insertion in model container [2023-11-24 11:01:33,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:33" (3/3) ... [2023-11-24 11:01:33,094 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced_2.i [2023-11-24 11:01:33,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 11:01:33,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 11:01:33,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2023-11-24 11:01:33,111 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 11:01:33,207 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 11:01:33,256 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:33,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 11:01:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:01:33,258 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) [2023-11-24 11:01:33,277 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 [2023-11-24 11:01:33,300 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 11:01:33,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-11-24 11:01:33,315 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;@578b0a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:33,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-24 11:01:33,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-24 11:01:33,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:33,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2026784868, now seen corresponding path program 1 times [2023-11-24 11:01:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212089312] [2023-11-24 11:01:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:01:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 11:01:33,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:01:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212089312] [2023-11-24 11:01:33,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212089312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:01:33,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:01:33,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 11:01:33,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275162134] [2023-11-24 11:01:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:01:33,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 11:01:33,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:01:33,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 11:01:33,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 11:01:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:33,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:01:33,886 INFO L496 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) [2023-11-24 11:01:33,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:33,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 11:01:33,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-24 11:01:33,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2120150575, now seen corresponding path program 1 times [2023-11-24 11:01:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:33,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138780505] [2023-11-24 11:01:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:01:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 11:01:34,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:01:34,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138780505] [2023-11-24 11:01:34,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138780505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:01:34,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:01:34,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 11:01:34,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123050848] [2023-11-24 11:01:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:01:34,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 11:01:34,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:01:34,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 11:01:34,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 11:01:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:01:34,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-24 11:01:34,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 11:01:34,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-24 11:01:34,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:34,231 INFO L85 PathProgramCache]: Analyzing trace with hash 60267547, now seen corresponding path program 1 times [2023-11-24 11:01:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:34,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364884630] [2023-11-24 11:01:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:01:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 11:01:34,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:01:34,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364884630] [2023-11-24 11:01:34,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364884630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:01:34,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:01:34,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 11:01:34,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039473577] [2023-11-24 11:01:34,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:01:34,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 11:01:34,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:01:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 11:01:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 11:01:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:01:34,345 INFO L496 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) [2023-11-24 11:01:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 11:01:34,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err33ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-24 11:01:34,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:34,665 INFO L85 PathProgramCache]: Analyzing trace with hash 110706868, now seen corresponding path program 1 times [2023-11-24 11:01:34,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:34,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279442902] [2023-11-24 11:01:34,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:34,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:01:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 11:01:34,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:01:34,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279442902] [2023-11-24 11:01:34,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279442902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:01:34,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:01:34,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 11:01:34,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254261918] [2023-11-24 11:01:34,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:01:34,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 11:01:34,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:01:34,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 11:01:34,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 11:01:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:01:34,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2023-11-24 11:01:34,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 11:01:34,867 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err36ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-24 11:01:34,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:34,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1493732517, now seen corresponding path program 1 times [2023-11-24 11:01:34,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:34,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865302434] [2023-11-24 11:01:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:34,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:01:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 11:01:34,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:01:34,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865302434] [2023-11-24 11:01:34,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865302434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:01:34,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:01:34,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 11:01:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241471048] [2023-11-24 11:01:34,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:01:34,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 11:01:34,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:01:34,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 11:01:34,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 11:01:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:01:34,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 11:01:34,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:34,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:34,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:01:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 11:01:35,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-11-24 11:01:35,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err23ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err24ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err19ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-11-24 11:01:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err25ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-11-24 11:01:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-11-24 11:01:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err26ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-11-24 11:01:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err47ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-11-24 11:01:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err48ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-11-24 11:01:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err21ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err22ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err27ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err28ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err29ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err30ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-11-24 11:01:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err20ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err49ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err52ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err53ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err31ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err42ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-11-24 11:01:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err43ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err50ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err51ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err54ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err57ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err58ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-11-24 11:01:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err44ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err40ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err41ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err55ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err56ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-11-24 11:01:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err59ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err60ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-11-24 11:01:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err61ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err32ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err62ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err63ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-11-24 11:01:35,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err64ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err65ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err66ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-11-24 11:01:35,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err67ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err68ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err69ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err70ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err71ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err72ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-11-24 11:01:35,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err73ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err33ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err34ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err35ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-11-24 11:01:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err36ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-11-24 11:01:35,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-11-24 11:01:35,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-11-24 11:01:35,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err37ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-11-24 11:01:35,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err38ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-11-24 11:01:35,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err39ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-11-24 11:01:35,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 11:01:35,177 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-24 11:01:35,179 INFO L307 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) [2023-11-24 11:01:35,211 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 11:01:35,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:01:35,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 11:01:35,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-24 11:01:35,274 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 11:01:35,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 11:01:35,275 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;@578b0a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 11:01:35,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 11:01:35,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:35,366 INFO L85 PathProgramCache]: Analyzing trace with hash -770327616, now seen corresponding path program 1 times [2023-11-24 11:01:35,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:35,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974978099] [2023-11-24 11:01:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 11:01:35,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 11:01:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 11:01:35,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 11:01:35,394 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 11:01:35,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-24 11:01:35,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 11:01:35,396 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 11:01:35,396 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-11-24 11:01:35,396 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 11:01:35,396 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-24 11:01:35,447 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 11:01:35,452 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 11:01:35,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:01:35,476 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 11:01:35,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-11-24 11:01:35,479 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 11:01:35,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 11:01:35,480 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;@578b0a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 11:01:35,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 11:01:35,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:01:35,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1583259900, now seen corresponding path program 1 times [2023-11-24 11:01:35,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:01:35,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607596332] [2023-11-24 11:01:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:01:35,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:01:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 11:01:35,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 11:01:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 11:01:35,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 11:01:35,640 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 11:01:35,640 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-11-24 11:01:35,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-24 11:01:35,642 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 11:01:35,642 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-11-24 11:01:35,642 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 11:01:35,642 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-24 11:01:35,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 11:01:35,763 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 11:01:35,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:01:35,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 11:01:35,771 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 11:01:35,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-11-24 11:01:35,771 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;@578b0a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:01:35,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-24 11:01:35,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process