./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:17:18,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:17:18,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:17:18,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:17:18,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:17:18,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:17:18,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:17:18,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:17:18,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:17:18,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:17:18,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:17:18,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:17:18,367 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:17:18,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:17:18,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:17:18,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:17:18,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:17:18,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:17:18,369 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:17:18,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:17:18,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:17:18,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:17:18,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:17:18,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:17:18,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:17:18,371 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:17:18,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:17:18,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:17:18,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:17:18,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:17:18,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:17:18,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:17:18,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:17:18,373 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b [2024-11-28 04:17:18,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:17:18,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:17:18,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:17:18,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:17:18,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:17:18,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-28 04:17:22,655 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/data/72ac1de63/50dc6060e0d34d42a7a6514119406a9b/FLAGe65f7f5a2 [2024-11-28 04:17:23,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:17:23,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-28 04:17:23,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/data/72ac1de63/50dc6060e0d34d42a7a6514119406a9b/FLAGe65f7f5a2 [2024-11-28 04:17:23,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/data/72ac1de63/50dc6060e0d34d42a7a6514119406a9b [2024-11-28 04:17:23,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:17:23,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:17:23,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:23,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:17:23,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:17:23,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d040cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23, skipping insertion in model container [2024-11-28 04:17:23,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:17:23,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:23,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:17:23,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:23,554 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:17:23,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23 WrapperNode [2024-11-28 04:17:23,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:23,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:23,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:17:23,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:17:23,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,613 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 258 [2024-11-28 04:17:23,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:23,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:17:23,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:17:23,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:17:23,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:17:23,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:17:23,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:17:23,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:17:23,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (1/1) ... [2024-11-28 04:17:23,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:17:23,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:23,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:17:23,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:17:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:17:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:17:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:17:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:17:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:17:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:17:23,759 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:17:23,917 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:17:23,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:17:24,802 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:17:24,803 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:17:24,828 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:17:24,828 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:17:24,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:24 BoogieIcfgContainer [2024-11-28 04:17:24,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:17:24,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:17:24,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:17:24,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:17:24,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:17:23" (1/3) ... [2024-11-28 04:17:24,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6935f442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:24, skipping insertion in model container [2024-11-28 04:17:24,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:23" (2/3) ... [2024-11-28 04:17:24,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6935f442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:24, skipping insertion in model container [2024-11-28 04:17:24,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:24" (3/3) ... [2024-11-28 04:17:24,849 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-11-28 04:17:24,869 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:17:24,871 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-2.wvr.c that has 3 procedures, 325 locations, 1 initial locations, 3 loop locations, and 39 error locations. [2024-11-28 04:17:24,871 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:17:25,035 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:17:25,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 331 places, 343 transitions, 700 flow [2024-11-28 04:17:25,366 INFO L124 PetriNetUnfolderBase]: 19/341 cut-off events. [2024-11-28 04:17:25,372 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:17:25,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 341 events. 19/341 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 733 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-28 04:17:25,388 INFO L82 GeneralOperation]: Start removeDead. Operand has 331 places, 343 transitions, 700 flow [2024-11-28 04:17:25,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 313 places, 324 transitions, 660 flow [2024-11-28 04:17:25,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:17:25,450 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@41da99f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:17:25,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-28 04:17:25,461 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:17:25,461 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-28 04:17:25,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:17:25,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:25,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:25,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:25,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1167307092, now seen corresponding path program 1 times [2024-11-28 04:17:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:25,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541530041] [2024-11-28 04:17:25,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:25,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:25,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:25,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541530041] [2024-11-28 04:17:25,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541530041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:25,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:25,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:25,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522855698] [2024-11-28 04:17:25,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:25,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:25,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:25,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:25,778 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 343 [2024-11-28 04:17:25,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 324 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:25,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:25,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 343 [2024-11-28 04:17:25,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:25,990 INFO L124 PetriNetUnfolderBase]: 19/476 cut-off events. [2024-11-28 04:17:25,990 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 04:17:25,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 476 events. 19/476 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1769 event pairs, 5 based on Foata normal form. 11/401 useless extension candidates. Maximal degree in co-relation 383. Up to 24 conditions per place. [2024-11-28 04:17:26,003 INFO L140 encePairwiseOnDemand]: 330/343 looper letters, 10 selfloop transitions, 2 changer transitions 3/313 dead transitions. [2024-11-28 04:17:26,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 313 transitions, 662 flow [2024-11-28 04:17:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-28 04:17:26,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9465500485908649 [2024-11-28 04:17:26,040 INFO L175 Difference]: Start difference. First operand has 313 places, 324 transitions, 660 flow. Second operand 3 states and 974 transitions. [2024-11-28 04:17:26,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 313 transitions, 662 flow [2024-11-28 04:17:26,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 313 transitions, 654 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:17:26,063 INFO L231 Difference]: Finished difference. Result has 310 places, 310 transitions, 628 flow [2024-11-28 04:17:26,067 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=310, PETRI_TRANSITIONS=310} [2024-11-28 04:17:26,075 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -3 predicate places. [2024-11-28 04:17:26,075 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 310 transitions, 628 flow [2024-11-28 04:17:26,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:26,076 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:26,076 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:26,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:17:26,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:26,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:26,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1408852364, now seen corresponding path program 1 times [2024-11-28 04:17:26,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:26,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309895606] [2024-11-28 04:17:26,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:26,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:26,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309895606] [2024-11-28 04:17:26,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309895606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:26,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:26,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:26,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931795983] [2024-11-28 04:17:26,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:26,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:26,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:26,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:26,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:26,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 343 [2024-11-28 04:17:26,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:26,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:26,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 343 [2024-11-28 04:17:26,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:26,483 INFO L124 PetriNetUnfolderBase]: 20/468 cut-off events. [2024-11-28 04:17:26,484 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 04:17:26,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 468 events. 20/468 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1585 event pairs, 7 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 477. Up to 28 conditions per place. [2024-11-28 04:17:26,489 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 13 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-28 04:17:26,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 656 flow [2024-11-28 04:17:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-11-28 04:17:26,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9310009718172984 [2024-11-28 04:17:26,493 INFO L175 Difference]: Start difference. First operand has 310 places, 310 transitions, 628 flow. Second operand 3 states and 958 transitions. [2024-11-28 04:17:26,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 656 flow [2024-11-28 04:17:26,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:26,503 INFO L231 Difference]: Finished difference. Result has 306 places, 309 transitions, 626 flow [2024-11-28 04:17:26,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=309} [2024-11-28 04:17:26,508 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -7 predicate places. [2024-11-28 04:17:26,508 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 309 transitions, 626 flow [2024-11-28 04:17:26,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:26,510 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:26,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:26,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:17:26,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:26,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:26,512 INFO L85 PathProgramCache]: Analyzing trace with hash -218044870, now seen corresponding path program 1 times [2024-11-28 04:17:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903273668] [2024-11-28 04:17:26,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:26,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:26,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903273668] [2024-11-28 04:17:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903273668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:26,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:26,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:26,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814737973] [2024-11-28 04:17:26,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:26,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:26,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:26,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:26,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:26,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 343 [2024-11-28 04:17:26,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:26,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:26,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 343 [2024-11-28 04:17:26,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:27,030 INFO L124 PetriNetUnfolderBase]: 66/965 cut-off events. [2024-11-28 04:17:27,030 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-11-28 04:17:27,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 965 events. 66/965 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4870 event pairs, 20 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1016. Up to 77 conditions per place. [2024-11-28 04:17:27,041 INFO L140 encePairwiseOnDemand]: 336/343 looper letters, 16 selfloop transitions, 1 changer transitions 0/303 dead transitions. [2024-11-28 04:17:27,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 303 transitions, 648 flow [2024-11-28 04:17:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 947 transitions. [2024-11-28 04:17:27,049 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9203109815354713 [2024-11-28 04:17:27,049 INFO L175 Difference]: Start difference. First operand has 306 places, 309 transitions, 626 flow. Second operand 3 states and 947 transitions. [2024-11-28 04:17:27,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 303 transitions, 648 flow [2024-11-28 04:17:27,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 303 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:27,056 INFO L231 Difference]: Finished difference. Result has 300 places, 303 transitions, 612 flow [2024-11-28 04:17:27,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=303} [2024-11-28 04:17:27,058 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -13 predicate places. [2024-11-28 04:17:27,058 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 303 transitions, 612 flow [2024-11-28 04:17:27,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:27,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:27,060 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:27,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:17:27,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:27,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:27,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1145554562, now seen corresponding path program 1 times [2024-11-28 04:17:27,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:27,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283407617] [2024-11-28 04:17:27,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:27,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:28,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283407617] [2024-11-28 04:17:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283407617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:28,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21389141] [2024-11-28 04:17:28,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:28,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:28,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:17:28,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 343 [2024-11-28 04:17:28,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 303 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 298.5) internal successors, (1791), 6 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:28,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:28,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 343 [2024-11-28 04:17:28,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:29,225 INFO L124 PetriNetUnfolderBase]: 131/1252 cut-off events. [2024-11-28 04:17:29,225 INFO L125 PetriNetUnfolderBase]: For 28/29 co-relation queries the response was YES. [2024-11-28 04:17:29,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1458 conditions, 1252 events. 131/1252 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6897 event pairs, 64 based on Foata normal form. 0/1020 useless extension candidates. Maximal degree in co-relation 1423. Up to 192 conditions per place. [2024-11-28 04:17:29,243 INFO L140 encePairwiseOnDemand]: 337/343 looper letters, 28 selfloop transitions, 5 changer transitions 0/302 dead transitions. [2024-11-28 04:17:29,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 676 flow [2024-11-28 04:17:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:17:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:17:29,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1816 transitions. [2024-11-28 04:17:29,254 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8824101068999028 [2024-11-28 04:17:29,254 INFO L175 Difference]: Start difference. First operand has 300 places, 303 transitions, 612 flow. Second operand 6 states and 1816 transitions. [2024-11-28 04:17:29,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 676 flow [2024-11-28 04:17:29,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:17:29,264 INFO L231 Difference]: Finished difference. Result has 303 places, 302 transitions, 619 flow [2024-11-28 04:17:29,265 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=619, PETRI_PLACES=303, PETRI_TRANSITIONS=302} [2024-11-28 04:17:29,267 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -10 predicate places. [2024-11-28 04:17:29,268 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 302 transitions, 619 flow [2024-11-28 04:17:29,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.5) internal successors, (1791), 6 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:29,270 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:29,270 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:29,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:17:29,271 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:29,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash 381453815, now seen corresponding path program 1 times [2024-11-28 04:17:29,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:29,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137710197] [2024-11-28 04:17:29,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:29,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:29,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137710197] [2024-11-28 04:17:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137710197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303830472] [2024-11-28 04:17:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:29,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:29,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:29,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:29,438 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 343 [2024-11-28 04:17:29,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 302 transitions, 619 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:29,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:29,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 343 [2024-11-28 04:17:29,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:29,537 INFO L124 PetriNetUnfolderBase]: 20/457 cut-off events. [2024-11-28 04:17:29,538 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 04:17:29,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 457 events. 20/457 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1480 event pairs, 7 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 478. Up to 26 conditions per place. [2024-11-28 04:17:29,545 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 11 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-11-28 04:17:29,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 301 transitions, 643 flow [2024-11-28 04:17:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-28 04:17:29,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.93488824101069 [2024-11-28 04:17:29,549 INFO L175 Difference]: Start difference. First operand has 303 places, 302 transitions, 619 flow. Second operand 3 states and 962 transitions. [2024-11-28 04:17:29,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 301 transitions, 643 flow [2024-11-28 04:17:29,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 301 transitions, 633 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:17:29,557 INFO L231 Difference]: Finished difference. Result has 299 places, 301 transitions, 611 flow [2024-11-28 04:17:29,557 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=299, PETRI_TRANSITIONS=301} [2024-11-28 04:17:29,560 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -14 predicate places. [2024-11-28 04:17:29,562 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 301 transitions, 611 flow [2024-11-28 04:17:29,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:29,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:29,563 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:29,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:17:29,564 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:29,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:29,565 INFO L85 PathProgramCache]: Analyzing trace with hash 113402921, now seen corresponding path program 1 times [2024-11-28 04:17:29,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:29,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363629694] [2024-11-28 04:17:29,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:29,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:29,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363629694] [2024-11-28 04:17:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363629694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:29,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:29,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708782789] [2024-11-28 04:17:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:29,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:29,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:29,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:29,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:29,682 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 343 [2024-11-28 04:17:29,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 301 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:29,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:29,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 343 [2024-11-28 04:17:29,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:29,832 INFO L124 PetriNetUnfolderBase]: 44/838 cut-off events. [2024-11-28 04:17:29,832 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 04:17:29,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 838 events. 44/838 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4339 event pairs, 9 based on Foata normal form. 0/699 useless extension candidates. Maximal degree in co-relation 860. Up to 45 conditions per place. [2024-11-28 04:17:29,842 INFO L140 encePairwiseOnDemand]: 338/343 looper letters, 12 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-11-28 04:17:29,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 301 transitions, 640 flow [2024-11-28 04:17:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-28 04:17:29,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9407191448007775 [2024-11-28 04:17:29,846 INFO L175 Difference]: Start difference. First operand has 299 places, 301 transitions, 611 flow. Second operand 3 states and 968 transitions. [2024-11-28 04:17:29,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 301 transitions, 640 flow [2024-11-28 04:17:29,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 301 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:29,854 INFO L231 Difference]: Finished difference. Result has 297 places, 300 transitions, 615 flow [2024-11-28 04:17:29,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=297, PETRI_TRANSITIONS=300} [2024-11-28 04:17:29,858 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -16 predicate places. [2024-11-28 04:17:29,858 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 300 transitions, 615 flow [2024-11-28 04:17:29,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:29,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:29,859 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:29,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:17:29,860 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:29,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1752044996, now seen corresponding path program 1 times [2024-11-28 04:17:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:29,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842932553] [2024-11-28 04:17:29,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:29,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:29,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:29,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842932553] [2024-11-28 04:17:29,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842932553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:29,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:29,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431974718] [2024-11-28 04:17:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:29,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:29,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:29,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:30,002 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 343 [2024-11-28 04:17:30,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 300 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:30,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 343 [2024-11-28 04:17:30,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:30,132 INFO L124 PetriNetUnfolderBase]: 28/621 cut-off events. [2024-11-28 04:17:30,132 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2024-11-28 04:17:30,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 621 events. 28/621 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2366 event pairs, 1 based on Foata normal form. 1/533 useless extension candidates. Maximal degree in co-relation 637. Up to 20 conditions per place. [2024-11-28 04:17:30,138 INFO L140 encePairwiseOnDemand]: 336/343 looper letters, 11 selfloop transitions, 3 changer transitions 0/297 dead transitions. [2024-11-28 04:17:30,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 297 transitions, 638 flow [2024-11-28 04:17:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-28 04:17:30,142 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9329446064139941 [2024-11-28 04:17:30,143 INFO L175 Difference]: Start difference. First operand has 297 places, 300 transitions, 615 flow. Second operand 3 states and 960 transitions. [2024-11-28 04:17:30,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 297 transitions, 638 flow [2024-11-28 04:17:30,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 297 transitions, 638 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:17:30,150 INFO L231 Difference]: Finished difference. Result has 295 places, 296 transitions, 613 flow [2024-11-28 04:17:30,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=295, PETRI_TRANSITIONS=296} [2024-11-28 04:17:30,151 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -18 predicate places. [2024-11-28 04:17:30,151 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 296 transitions, 613 flow [2024-11-28 04:17:30,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:30,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:30,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:17:30,153 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:30,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:30,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1031749031, now seen corresponding path program 1 times [2024-11-28 04:17:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:30,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922042081] [2024-11-28 04:17:30,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:30,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:30,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922042081] [2024-11-28 04:17:30,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922042081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:30,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:30,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:30,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222065489] [2024-11-28 04:17:30,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:30,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:30,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:30,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:30,323 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 343 [2024-11-28 04:17:30,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 296 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:30,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 343 [2024-11-28 04:17:30,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:30,441 INFO L124 PetriNetUnfolderBase]: 39/539 cut-off events. [2024-11-28 04:17:30,441 INFO L125 PetriNetUnfolderBase]: For 23/24 co-relation queries the response was YES. [2024-11-28 04:17:30,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 539 events. 39/539 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2177 event pairs, 3 based on Foata normal form. 1/485 useless extension candidates. Maximal degree in co-relation 612. Up to 73 conditions per place. [2024-11-28 04:17:30,447 INFO L140 encePairwiseOnDemand]: 326/343 looper letters, 19 selfloop transitions, 6 changer transitions 4/287 dead transitions. [2024-11-28 04:17:30,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 287 transitions, 650 flow [2024-11-28 04:17:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:30,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 919 transitions. [2024-11-28 04:17:30,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8931000971817298 [2024-11-28 04:17:30,451 INFO L175 Difference]: Start difference. First operand has 295 places, 296 transitions, 613 flow. Second operand 3 states and 919 transitions. [2024-11-28 04:17:30,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 287 transitions, 650 flow [2024-11-28 04:17:30,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 287 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:30,458 INFO L231 Difference]: Finished difference. Result has 285 places, 282 transitions, 590 flow [2024-11-28 04:17:30,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=285, PETRI_TRANSITIONS=282} [2024-11-28 04:17:30,460 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -28 predicate places. [2024-11-28 04:17:30,460 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 282 transitions, 590 flow [2024-11-28 04:17:30,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:30,461 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:30,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:17:30,462 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:30,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1046063222, now seen corresponding path program 1 times [2024-11-28 04:17:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:30,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103625259] [2024-11-28 04:17:30,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:30,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:30,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:30,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103625259] [2024-11-28 04:17:30,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103625259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:30,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:30,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:30,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899593691] [2024-11-28 04:17:30,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:30,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:30,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:30,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:30,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:30,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 343 [2024-11-28 04:17:30,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 282 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:30,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 343 [2024-11-28 04:17:30,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:30,780 INFO L124 PetriNetUnfolderBase]: 69/1025 cut-off events. [2024-11-28 04:17:30,780 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 04:17:30,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 1025 events. 69/1025 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5287 event pairs, 7 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1124. Up to 69 conditions per place. [2024-11-28 04:17:30,788 INFO L140 encePairwiseOnDemand]: 336/343 looper letters, 14 selfloop transitions, 3 changer transitions 0/283 dead transitions. [2024-11-28 04:17:30,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 283 transitions, 628 flow [2024-11-28 04:17:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-28 04:17:30,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9358600583090378 [2024-11-28 04:17:30,793 INFO L175 Difference]: Start difference. First operand has 285 places, 282 transitions, 590 flow. Second operand 3 states and 963 transitions. [2024-11-28 04:17:30,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 283 transitions, 628 flow [2024-11-28 04:17:30,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 283 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:30,801 INFO L231 Difference]: Finished difference. Result has 278 places, 281 transitions, 591 flow [2024-11-28 04:17:30,801 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=278, PETRI_TRANSITIONS=281} [2024-11-28 04:17:30,802 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -35 predicate places. [2024-11-28 04:17:30,803 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 281 transitions, 591 flow [2024-11-28 04:17:30,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:30,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:30,804 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:30,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:17:30,805 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:30,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:30,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1963815652, now seen corresponding path program 1 times [2024-11-28 04:17:30,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:30,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919118353] [2024-11-28 04:17:30,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:31,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:31,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919118353] [2024-11-28 04:17:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919118353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:31,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:31,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:17:31,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452633808] [2024-11-28 04:17:31,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:31,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:17:31,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:31,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:17:31,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:17:31,092 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 343 [2024-11-28 04:17:31,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 281 transitions, 591 flow. Second operand has 4 states, 4 states have (on average 321.25) internal successors, (1285), 4 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:31,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:31,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 343 [2024-11-28 04:17:31,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:31,387 INFO L124 PetriNetUnfolderBase]: 67/1265 cut-off events. [2024-11-28 04:17:31,387 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:17:31,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 1265 events. 67/1265 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6971 event pairs, 5 based on Foata normal form. 0/1133 useless extension candidates. Maximal degree in co-relation 1344. Up to 31 conditions per place. [2024-11-28 04:17:31,400 INFO L140 encePairwiseOnDemand]: 337/343 looper letters, 13 selfloop transitions, 6 changer transitions 0/290 dead transitions. [2024-11-28 04:17:31,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 290 transitions, 651 flow [2024-11-28 04:17:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:17:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1620 transitions. [2024-11-28 04:17:31,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9446064139941691 [2024-11-28 04:17:31,407 INFO L175 Difference]: Start difference. First operand has 278 places, 281 transitions, 591 flow. Second operand 5 states and 1620 transitions. [2024-11-28 04:17:31,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 290 transitions, 651 flow [2024-11-28 04:17:31,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 290 transitions, 651 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:17:31,414 INFO L231 Difference]: Finished difference. Result has 285 places, 285 transitions, 629 flow [2024-11-28 04:17:31,415 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=629, PETRI_PLACES=285, PETRI_TRANSITIONS=285} [2024-11-28 04:17:31,416 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -28 predicate places. [2024-11-28 04:17:31,416 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 285 transitions, 629 flow [2024-11-28 04:17:31,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 321.25) internal successors, (1285), 4 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:31,418 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:31,418 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:31,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:17:31,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:31,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1455972665, now seen corresponding path program 1 times [2024-11-28 04:17:31,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:31,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749579915] [2024-11-28 04:17:31,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:31,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:32,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:32,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749579915] [2024-11-28 04:17:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749579915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:32,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:32,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932119479] [2024-11-28 04:17:32,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:32,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:32,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:32,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:32,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:17:32,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 343 [2024-11-28 04:17:32,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 285 transitions, 629 flow. Second operand has 6 states, 6 states have (on average 314.5) internal successors, (1887), 6 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:32,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:32,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 343 [2024-11-28 04:17:32,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:32,900 INFO L124 PetriNetUnfolderBase]: 56/973 cut-off events. [2024-11-28 04:17:32,901 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 04:17:32,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 973 events. 56/973 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4775 event pairs, 4 based on Foata normal form. 0/881 useless extension candidates. Maximal degree in co-relation 1073. Up to 24 conditions per place. [2024-11-28 04:17:32,912 INFO L140 encePairwiseOnDemand]: 337/343 looper letters, 15 selfloop transitions, 6 changer transitions 0/288 dead transitions. [2024-11-28 04:17:32,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 288 transitions, 681 flow [2024-11-28 04:17:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:17:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:17:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1899 transitions. [2024-11-28 04:17:32,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.922740524781341 [2024-11-28 04:17:32,919 INFO L175 Difference]: Start difference. First operand has 285 places, 285 transitions, 629 flow. Second operand 6 states and 1899 transitions. [2024-11-28 04:17:32,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 288 transitions, 681 flow [2024-11-28 04:17:32,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 681 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:17:32,931 INFO L231 Difference]: Finished difference. Result has 289 places, 284 transitions, 639 flow [2024-11-28 04:17:32,932 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=289, PETRI_TRANSITIONS=284} [2024-11-28 04:17:32,932 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -24 predicate places. [2024-11-28 04:17:32,933 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 284 transitions, 639 flow [2024-11-28 04:17:32,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.5) internal successors, (1887), 6 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:32,935 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:32,937 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:32,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:17:32,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:32,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:32,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1033186913, now seen corresponding path program 1 times [2024-11-28 04:17:32,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:32,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675283888] [2024-11-28 04:17:32,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:33,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:33,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675283888] [2024-11-28 04:17:33,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675283888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:33,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:33,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:17:33,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575181855] [2024-11-28 04:17:33,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:33,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:17:33,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:33,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:17:33,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:17:33,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 343 [2024-11-28 04:17:33,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 284 transitions, 639 flow. Second operand has 4 states, 4 states have (on average 319.5) internal successors, (1278), 4 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:33,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:33,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 343 [2024-11-28 04:17:33,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:33,620 INFO L124 PetriNetUnfolderBase]: 81/1315 cut-off events. [2024-11-28 04:17:33,620 INFO L125 PetriNetUnfolderBase]: For 36/37 co-relation queries the response was YES. [2024-11-28 04:17:33,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 1315 events. 81/1315 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6706 event pairs, 10 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 1500. Up to 67 conditions per place. [2024-11-28 04:17:33,635 INFO L140 encePairwiseOnDemand]: 336/343 looper letters, 14 selfloop transitions, 7 changer transitions 0/293 dead transitions. [2024-11-28 04:17:33,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 293 transitions, 702 flow [2024-11-28 04:17:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:17:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions. [2024-11-28 04:17:33,641 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9399416909620991 [2024-11-28 04:17:33,641 INFO L175 Difference]: Start difference. First operand has 289 places, 284 transitions, 639 flow. Second operand 5 states and 1612 transitions. [2024-11-28 04:17:33,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 293 transitions, 702 flow [2024-11-28 04:17:33,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 293 transitions, 690 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:17:33,652 INFO L231 Difference]: Finished difference. Result has 291 places, 289 transitions, 673 flow [2024-11-28 04:17:33,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=673, PETRI_PLACES=291, PETRI_TRANSITIONS=289} [2024-11-28 04:17:33,655 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -22 predicate places. [2024-11-28 04:17:33,655 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 289 transitions, 673 flow [2024-11-28 04:17:33,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 319.5) internal successors, (1278), 4 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:33,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:33,658 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:33,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:17:33,658 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:33,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:33,659 INFO L85 PathProgramCache]: Analyzing trace with hash -189302454, now seen corresponding path program 1 times [2024-11-28 04:17:33,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:33,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126252303] [2024-11-28 04:17:33,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:33,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126252303] [2024-11-28 04:17:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126252303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:33,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978690871] [2024-11-28 04:17:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:33,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:33,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:33,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:33,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 343 [2024-11-28 04:17:33,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 289 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:33,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:33,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 343 [2024-11-28 04:17:33,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:34,205 INFO L124 PetriNetUnfolderBase]: 86/1838 cut-off events. [2024-11-28 04:17:34,206 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-28 04:17:34,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 1838 events. 86/1838 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 11252 event pairs, 14 based on Foata normal form. 0/1669 useless extension candidates. Maximal degree in co-relation 2088. Up to 48 conditions per place. [2024-11-28 04:17:34,229 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 9 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-28 04:17:34,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 289 transitions, 696 flow [2024-11-28 04:17:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-28 04:17:34,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9387755102040817 [2024-11-28 04:17:34,233 INFO L175 Difference]: Start difference. First operand has 291 places, 289 transitions, 673 flow. Second operand 3 states and 966 transitions. [2024-11-28 04:17:34,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 289 transitions, 696 flow [2024-11-28 04:17:34,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 696 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:17:34,242 INFO L231 Difference]: Finished difference. Result has 292 places, 288 transitions, 675 flow [2024-11-28 04:17:34,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=292, PETRI_TRANSITIONS=288} [2024-11-28 04:17:34,245 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -21 predicate places. [2024-11-28 04:17:34,245 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 288 transitions, 675 flow [2024-11-28 04:17:34,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:34,247 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:34,247 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:34,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:17:34,248 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:34,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:34,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1357568686, now seen corresponding path program 1 times [2024-11-28 04:17:34,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:34,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610369154] [2024-11-28 04:17:34,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:34,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:34,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610369154] [2024-11-28 04:17:34,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610369154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:34,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:34,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:17:34,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105628665] [2024-11-28 04:17:34,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:34,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:17:34,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:34,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:17:34,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:17:34,512 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 343 [2024-11-28 04:17:34,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 288 transitions, 675 flow. Second operand has 4 states, 4 states have (on average 319.5) internal successors, (1278), 4 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:34,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:34,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 343 [2024-11-28 04:17:34,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:34,916 INFO L124 PetriNetUnfolderBase]: 78/1307 cut-off events. [2024-11-28 04:17:34,916 INFO L125 PetriNetUnfolderBase]: For 92/93 co-relation queries the response was YES. [2024-11-28 04:17:34,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1307 events. 78/1307 cut-off events. For 92/93 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 6706 event pairs, 10 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1553. Up to 67 conditions per place. [2024-11-28 04:17:34,934 INFO L140 encePairwiseOnDemand]: 336/343 looper letters, 14 selfloop transitions, 7 changer transitions 0/295 dead transitions. [2024-11-28 04:17:34,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 295 transitions, 734 flow [2024-11-28 04:17:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:17:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions. [2024-11-28 04:17:34,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9399416909620991 [2024-11-28 04:17:34,941 INFO L175 Difference]: Start difference. First operand has 292 places, 288 transitions, 675 flow. Second operand 5 states and 1612 transitions. [2024-11-28 04:17:34,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 295 transitions, 734 flow [2024-11-28 04:17:34,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 295 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:34,951 INFO L231 Difference]: Finished difference. Result has 297 places, 291 transitions, 709 flow [2024-11-28 04:17:34,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=709, PETRI_PLACES=297, PETRI_TRANSITIONS=291} [2024-11-28 04:17:34,953 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -16 predicate places. [2024-11-28 04:17:34,953 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 291 transitions, 709 flow [2024-11-28 04:17:34,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 319.5) internal successors, (1278), 4 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:34,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:34,955 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:34,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:17:34,955 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:34,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:34,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1736274727, now seen corresponding path program 1 times [2024-11-28 04:17:34,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:34,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043230864] [2024-11-28 04:17:34,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:35,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:35,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043230864] [2024-11-28 04:17:35,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043230864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:35,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:35,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:35,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127477316] [2024-11-28 04:17:35,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:35,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:35,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:35,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:35,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:17:35,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 343 [2024-11-28 04:17:35,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 291 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 300.6666666666667) internal successors, (1804), 6 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:35,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:35,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 343 [2024-11-28 04:17:35,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:36,333 INFO L124 PetriNetUnfolderBase]: 104/1107 cut-off events. [2024-11-28 04:17:36,333 INFO L125 PetriNetUnfolderBase]: For 165/166 co-relation queries the response was YES. [2024-11-28 04:17:36,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 1107 events. 104/1107 cut-off events. For 165/166 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5304 event pairs, 12 based on Foata normal form. 0/1039 useless extension candidates. Maximal degree in co-relation 1525. Up to 80 conditions per place. [2024-11-28 04:17:36,351 INFO L140 encePairwiseOnDemand]: 325/343 looper letters, 17 selfloop transitions, 17 changer transitions 0/292 dead transitions. [2024-11-28 04:17:36,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 292 transitions, 783 flow [2024-11-28 04:17:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:17:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:17:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2024-11-28 04:17:36,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8887269193391643 [2024-11-28 04:17:36,358 INFO L175 Difference]: Start difference. First operand has 297 places, 291 transitions, 709 flow. Second operand 6 states and 1829 transitions. [2024-11-28 04:17:36,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 292 transitions, 783 flow [2024-11-28 04:17:36,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 292 transitions, 783 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:17:36,366 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 737 flow [2024-11-28 04:17:36,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=737, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2024-11-28 04:17:36,368 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -14 predicate places. [2024-11-28 04:17:36,368 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 737 flow [2024-11-28 04:17:36,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.6666666666667) internal successors, (1804), 6 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:36,370 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:36,370 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:36,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:17:36,371 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:36,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:36,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1241887262, now seen corresponding path program 1 times [2024-11-28 04:17:36,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:36,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213021318] [2024-11-28 04:17:36,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:36,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213021318] [2024-11-28 04:17:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213021318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:36,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881350776] [2024-11-28 04:17:36,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:36,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:36,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:36,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:36,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 343 [2024-11-28 04:17:36,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 737 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:36,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:36,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 343 [2024-11-28 04:17:36,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:36,890 INFO L124 PetriNetUnfolderBase]: 96/1301 cut-off events. [2024-11-28 04:17:36,890 INFO L125 PetriNetUnfolderBase]: For 183/184 co-relation queries the response was YES. [2024-11-28 04:17:36,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1301 events. 96/1301 cut-off events. For 183/184 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6749 event pairs, 44 based on Foata normal form. 0/1224 useless extension candidates. Maximal degree in co-relation 1800. Up to 156 conditions per place. [2024-11-28 04:17:36,911 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 17 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-28 04:17:36,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 776 flow [2024-11-28 04:17:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2024-11-28 04:17:36,916 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.923226433430515 [2024-11-28 04:17:36,917 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 737 flow. Second operand 3 states and 950 transitions. [2024-11-28 04:17:36,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 776 flow [2024-11-28 04:17:36,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 742 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:17:36,925 INFO L231 Difference]: Finished difference. Result has 295 places, 287 transitions, 705 flow [2024-11-28 04:17:36,926 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=295, PETRI_TRANSITIONS=287} [2024-11-28 04:17:36,927 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -18 predicate places. [2024-11-28 04:17:36,927 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 287 transitions, 705 flow [2024-11-28 04:17:36,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:36,928 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:36,928 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:36,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:17:36,929 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:36,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:36,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1523208330, now seen corresponding path program 1 times [2024-11-28 04:17:36,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:36,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580204373] [2024-11-28 04:17:36,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:36,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:37,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580204373] [2024-11-28 04:17:37,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580204373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:37,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:37,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:37,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435527903] [2024-11-28 04:17:37,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:37,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:37,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:37,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:37,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:37,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 343 [2024-11-28 04:17:37,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 287 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:37,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:37,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 343 [2024-11-28 04:17:37,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:37,413 INFO L124 PetriNetUnfolderBase]: 92/1206 cut-off events. [2024-11-28 04:17:37,413 INFO L125 PetriNetUnfolderBase]: For 139/140 co-relation queries the response was YES. [2024-11-28 04:17:37,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1616 conditions, 1206 events. 92/1206 cut-off events. For 139/140 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5983 event pairs, 44 based on Foata normal form. 0/1134 useless extension candidates. Maximal degree in co-relation 1564. Up to 154 conditions per place. [2024-11-28 04:17:37,432 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 16 selfloop transitions, 2 changer transitions 1/287 dead transitions. [2024-11-28 04:17:37,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 287 transitions, 744 flow [2024-11-28 04:17:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2024-11-28 04:17:37,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.923226433430515 [2024-11-28 04:17:37,436 INFO L175 Difference]: Start difference. First operand has 295 places, 287 transitions, 705 flow. Second operand 3 states and 950 transitions. [2024-11-28 04:17:37,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 287 transitions, 744 flow [2024-11-28 04:17:37,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 287 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:37,446 INFO L231 Difference]: Finished difference. Result has 294 places, 286 transitions, 703 flow [2024-11-28 04:17:37,447 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=703, PETRI_PLACES=294, PETRI_TRANSITIONS=286} [2024-11-28 04:17:37,447 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -19 predicate places. [2024-11-28 04:17:37,448 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 286 transitions, 703 flow [2024-11-28 04:17:37,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:37,448 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:17:37,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:37,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:17:37,449 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-28 04:17:37,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1971028264, now seen corresponding path program 1 times [2024-11-28 04:17:37,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:37,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130231155] [2024-11-28 04:17:37,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:37,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:17:37,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:37,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130231155] [2024-11-28 04:17:37,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130231155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:37,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:37,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:17:37,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929332733] [2024-11-28 04:17:37,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:37,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:37,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:37,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:37,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:37,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 343 [2024-11-28 04:17:37,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 286 transitions, 703 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:37,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:17:37,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 343 [2024-11-28 04:17:37,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:17:37,954 INFO L124 PetriNetUnfolderBase]: 95/1259 cut-off events. [2024-11-28 04:17:37,954 INFO L125 PetriNetUnfolderBase]: For 143/144 co-relation queries the response was YES. [2024-11-28 04:17:37,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1259 events. 95/1259 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6401 event pairs, 44 based on Foata normal form. 0/1192 useless extension candidates. Maximal degree in co-relation 1635. Up to 156 conditions per place. [2024-11-28 04:17:37,966 INFO L140 encePairwiseOnDemand]: 340/343 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2024-11-28 04:17:37,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 286 transitions, 742 flow [2024-11-28 04:17:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:17:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2024-11-28 04:17:37,970 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.923226433430515 [2024-11-28 04:17:37,970 INFO L175 Difference]: Start difference. First operand has 294 places, 286 transitions, 703 flow. Second operand 3 states and 950 transitions. [2024-11-28 04:17:37,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 286 transitions, 742 flow [2024-11-28 04:17:37,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 286 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:17:37,977 INFO L231 Difference]: Finished difference. Result has 293 places, 0 transitions, 0 flow [2024-11-28 04:17:37,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=293, PETRI_TRANSITIONS=0} [2024-11-28 04:17:37,979 INFO L279 CegarLoopForPetriNet]: 313 programPoint places, -20 predicate places. [2024-11-28 04:17:37,979 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 0 transitions, 0 flow [2024-11-28 04:17:37,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:17:37,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2024-11-28 04:17:37,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2024-11-28 04:17:37,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2024-11-28 04:17:37,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2024-11-28 04:17:37,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2024-11-28 04:17:37,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2024-11-28 04:17:37,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2024-11-28 04:17:37,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2024-11-28 04:17:37,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2024-11-28 04:17:37,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2024-11-28 04:17:37,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2024-11-28 04:17:37,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2024-11-28 04:17:37,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2024-11-28 04:17:37,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2024-11-28 04:17:37,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2024-11-28 04:17:37,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2024-11-28 04:17:37,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2024-11-28 04:17:37,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2024-11-28 04:17:37,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2024-11-28 04:17:37,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:17:37,996 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:38,006 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:17:38,007 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:17:38,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:17:38 BasicIcfg [2024-11-28 04:17:38,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:17:38,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:17:38,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:17:38,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:17:38,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:24" (3/4) ... [2024-11-28 04:17:38,023 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:17:38,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:17:38,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:17:38,035 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 04:17:38,035 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:17:38,035 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:17:38,036 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:17:38,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:17:38,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:17:38,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:17:38,169 INFO L158 Benchmark]: Toolchain (without parser) took 14975.02ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 100.5MB in the beginning and 291.0MB in the end (delta: -190.5MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,169 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:38,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.10ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 88.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.18ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,171 INFO L158 Benchmark]: Boogie Preprocessor took 51.32ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:38,171 INFO L158 Benchmark]: RCFGBuilder took 1165.70ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 57.7MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,171 INFO L158 Benchmark]: TraceAbstraction took 13182.42ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 57.0MB in the beginning and 295.3MB in the end (delta: -238.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,172 INFO L158 Benchmark]: Witness Printer took 149.77ms. Allocated memory is still 419.4MB. Free memory was 295.3MB in the beginning and 291.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:38,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.10ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 88.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.18ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.32ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1165.70ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 57.7MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13182.42ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 57.0MB in the beginning and 295.3MB in the end (delta: -238.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Witness Printer took 149.77ms. Allocated memory is still 419.4MB. Free memory was 295.3MB in the beginning and 291.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 521 locations, 72 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1164 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 522 mSDsluCounter, 301 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1393 IncrementalHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 254 mSDtfsCounter, 1393 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=15, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1602 NumberOfCodeBlocks, 1602 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1584 ConstructedInterpolants, 0 QuantifiedInterpolants, 2435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:17:38,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58772cda-ad21-4e3c-8abf-cf1bee5b8021/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE