./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d2ba6107 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-wmm/thin002_rmo.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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-d2ba610-m [2023-11-21 19:06:35,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:06:35,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 19:06:35,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:06:35,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:06:35,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:06:35,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:06:35,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:06:35,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:06:35,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:06:35,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 19:06:35,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 19:06:35,609 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 19:06:35,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:06:35,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:06:35,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:06:35,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:06:35,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:06:35,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:06:35,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:06:35,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:06:35,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:06:35,613 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:06:35,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:06:35,613 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:06:35,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:06:35,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:06:35,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:06:35,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:06:35,614 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 19:06:35,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:06:35,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:06:35,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:06:35,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:06:35,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:06:35,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 19:06:35,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:06:35,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:06:35,617 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 19:06:35,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 19:06:35,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:06:35,618 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 19:06:35,618 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 19:06:35,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 19:06:35,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:06:35,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:06:35,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:06:35,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:06:35,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:06:35,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.i [2023-11-21 19:06:37,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:06:37,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:06:37,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.i [2023-11-21 19:06:37,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/10d323222/908cc22fecbf4354a2595206e2a68577/FLAGd45bc50ac [2023-11-21 19:06:37,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/10d323222/908cc22fecbf4354a2595206e2a68577 [2023-11-21 19:06:37,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:06:37,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:06:37,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:06:37,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:06:37,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:06:37,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:06:37" (1/1) ... [2023-11-21 19:06:37,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10552241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:37, skipping insertion in model container [2023-11-21 19:06:37,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:06:37" (1/1) ... [2023-11-21 19:06:37,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:06:37,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:06:37,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:06:38,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:06:38,070 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:06:38,070 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:06:38,076 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:06:38,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38 WrapperNode [2023-11-21 19:06:38,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:06:38,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:06:38,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:06:38,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:06:38,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,149 INFO L138 Inliner]: procedures = 177, calls = 81, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 342 [2023-11-21 19:06:38,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:06:38,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:06:38,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:06:38,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:06:38,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,170 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,197 INFO L193 HeapSplitter]: Split 19 memory accesses to 6 slices as follows [2, 1, 13, 1, 1, 1] [2023-11-21 19:06:38,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:06:38,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:06:38,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:06:38,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:06:38,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (1/1) ... [2023-11-21 19:06:38,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:06:38,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 19:06:38,301 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) [2023-11-21 19:06:38,325 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 [2023-11-21 19:06:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 19:06:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 19:06:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 19:06:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 19:06:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 19:06:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 19:06:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 19:06:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 19:06:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:06:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:06:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:06:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 19:06:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 19:06:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 19:06:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 19:06:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 19:06:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 19:06:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 19:06:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 19:06:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 19:06:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 19:06:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 19:06:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 19:06:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 19:06:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 19:06:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 19:06:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:06:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:06:38,362 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:06:38,582 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:06:38,584 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:06:39,655 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:06:49,656 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:06:49,656 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:06:49,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:06:49 BoogieIcfgContainer [2023-11-21 19:06:49,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:06:49,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:06:49,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:06:49,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:06:49,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:06:37" (1/3) ... [2023-11-21 19:06:49,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333c3cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:06:49, skipping insertion in model container [2023-11-21 19:06:49,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:06:38" (2/3) ... [2023-11-21 19:06:49,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333c3cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:06:49, skipping insertion in model container [2023-11-21 19:06:49,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:06:49" (3/3) ... [2023-11-21 19:06:49,665 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_rmo.i [2023-11-21 19:06:49,673 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:06:49,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:06:49,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 189 error locations. [2023-11-21 19:06:49,680 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 19:06:50,126 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 19:06:50,176 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:06:50,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 19:06:50,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 19:06:50,180 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) [2023-11-21 19:06:50,188 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 [2023-11-21 19:06:50,227 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 19:06:50,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork3 ======== [2023-11-21 19:06:50,252 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;@5ee292e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:06:50,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-21 19:06:57,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-21 19:06:57,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:06:57,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2094307932, now seen corresponding path program 1 times [2023-11-21 19:06:57,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:06:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603282155] [2023-11-21 19:06:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:06:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:06:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:06:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:06:57,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:06:57,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603282155] [2023-11-21 19:06:57,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603282155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:06:57,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:06:57,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:06:57,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091777646] [2023-11-21 19:06:57,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:06:57,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:06:57,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:06:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:06:57,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:06:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:06:57,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:06:57,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 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) [2023-11-21 19:06:57,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:04,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-21 19:07:04,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-21 19:07:04,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2023-11-21 19:07:04,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-21 19:07:04,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-11-21 19:07:04,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:07:04,066 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:07:04,069 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork3 was SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2023-11-21 19:07:04,082 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 19:07:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 19:07:04,134 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) [2023-11-21 19:07:04,137 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 [2023-11-21 19:07:04,158 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 19:07:04,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-21 19:07:04,159 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;@5ee292e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:04,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-11-21 19:07:07,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-21 19:07:07,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:07:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1221339874, now seen corresponding path program 1 times [2023-11-21 19:07:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:07:07,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516803395] [2023-11-21 19:07:07,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:07:07,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:07:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:07:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:07:07,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:07:07,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516803395] [2023-11-21 19:07:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516803395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:07:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:07:07,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 19:07:07,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456205860] [2023-11-21 19:07:07,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:07:07,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:07:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:07:07,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:07:07,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:07:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:07,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:07:07,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 89.0) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-11-21 19:07:07,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:07,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:07:07,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-21 19:07:07,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:07:07,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1181739748, now seen corresponding path program 1 times [2023-11-21 19:07:07,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:07:07,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567410660] [2023-11-21 19:07:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:07:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:07:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:07:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:07:07,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:07:07,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567410660] [2023-11-21 19:07:07,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567410660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:07:07,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:07:07,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:07:07,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879388710] [2023-11-21 19:07:07,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:07:07,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:07:07,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:07:07,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:07:07,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:07:07,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:07,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:07:07,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 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) [2023-11-21 19:07:07,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:07,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:07:08,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:07:08,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-21 19:07:08,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:07:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1409673151, now seen corresponding path program 1 times [2023-11-21 19:07:08,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:07:08,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578193699] [2023-11-21 19:07:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:07:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:07:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:07:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:07:08,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:07:08,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578193699] [2023-11-21 19:07:08,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578193699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:07:08,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:07:08,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:07:08,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097620116] [2023-11-21 19:07:08,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:07:08,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:07:08,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:07:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:07:08,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:07:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:08,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:07:08,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-21 19:07:08,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:08,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:07:08,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:07:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:07:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2023-11-21 19:07:15,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2023-11-21 19:07:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2023-11-21 19:07:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2023-11-21 19:07:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2023-11-21 19:07:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2023-11-21 19:07:15,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2023-11-21 19:07:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2023-11-21 19:07:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2023-11-21 19:07:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2023-11-21 19:07:15,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2023-11-21 19:07:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2023-11-21 19:07:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2023-11-21 19:07:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2023-11-21 19:07:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2023-11-21 19:07:15,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2023-11-21 19:07:15,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2023-11-21 19:07:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2023-11-21 19:07:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2023-11-21 19:07:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2023-11-21 19:07:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2023-11-21 19:07:15,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2023-11-21 19:07:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2023-11-21 19:07:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2023-11-21 19:07:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2023-11-21 19:07:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2023-11-21 19:07:15,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2023-11-21 19:07:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2023-11-21 19:07:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2023-11-21 19:07:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2023-11-21 19:07:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2023-11-21 19:07:15,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2023-11-21 19:07:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2023-11-21 19:07:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2023-11-21 19:07:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2023-11-21 19:07:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2023-11-21 19:07:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2023-11-21 19:07:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2023-11-21 19:07:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2023-11-21 19:07:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2023-11-21 19:07:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 49 remaining) [2023-11-21 19:07:15,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 49 remaining) [2023-11-21 19:07:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 49 remaining) [2023-11-21 19:07:15,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 49 remaining) [2023-11-21 19:07:15,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:07:15,747 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 19:07:15,747 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start 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 (2/5) [2023-11-21 19:07:15,751 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:15,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 19:07:15,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 19:07:15,757 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) [2023-11-21 19:07:15,762 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 [2023-11-21 19:07:15,764 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 19:07:15,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Thread1of1ForFork1 ======== [2023-11-21 19:07:15,765 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;@5ee292e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:15,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-11-21 19:07:19,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONDATA_RACE === [P3Err0ASSERT_VIOLATIONDATA_RACE, P3Err1ASSERT_VIOLATIONDATA_RACE, P3Err2ASSERT_VIOLATIONDATA_RACE, P3Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-21 19:07:19,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:07:19,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1537643767, now seen corresponding path program 1 times [2023-11-21 19:07:19,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:07:19,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817545344] [2023-11-21 19:07:19,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:07:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:07:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:07:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:07:19,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:07:19,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817545344] [2023-11-21 19:07:19,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817545344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:07:19,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:07:19,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:07:19,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219784170] [2023-11-21 19:07:19,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:07:19,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:07:19,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:07:19,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:07:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:07:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:19,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:07:19,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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) [2023-11-21 19:07:19,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:29,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2023-11-21 19:07:29,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-11-21 19:07:29,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-11-21 19:07:29,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-11-21 19:07:29,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err6ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err7ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err9ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err8ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err5ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-11-21 19:07:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err11ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err13ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err14ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err15ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-11-21 19:07:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err16ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err17ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err19ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err20ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err21ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2023-11-21 19:07:29,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err22ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err23ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err24ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err25ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err26ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err27ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-11-21 19:07:29,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err28ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-11-21 19:07:29,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err29ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-11-21 19:07:29,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err30ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-11-21 19:07:29,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err31ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-11-21 19:07:29,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err32ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-11-21 19:07:29,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 19:07:29,883 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:07:29,884 INFO L307 ceAbstractionStarter]: Result for error location P3Thread1of1ForFork1 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 (3/5) [2023-11-21 19:07:29,887 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:29,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 19:07:29,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 19:07:29,896 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) [2023-11-21 19:07:29,897 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 [2023-11-21 19:07:29,912 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 19:07:29,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2023-11-21 19:07:29,913 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;@5ee292e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:07:29,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-21 19:07:34,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-21 19:07:34,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:07:34,073 INFO L85 PathProgramCache]: Analyzing trace with hash -658390005, now seen corresponding path program 1 times [2023-11-21 19:07:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 19:07:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67911434] [2023-11-21 19:07:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:07:34,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:07:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:07:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:07:34,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 19:07:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67911434] [2023-11-21 19:07:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67911434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:07:34,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:07:34,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:07:34,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462242069] [2023-11-21 19:07:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:07:34,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:07:34,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 19:07:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:07:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:07:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:07:34,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 19:07:34,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2023-11-21 19:07:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.