./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:16:44,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:16:44,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:16:44,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:16:44,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:16:44,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:16:44,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:16:44,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:16:44,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:16:44,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:16:44,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:16:44,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:16:44,725 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:16:44,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:16:44,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:16:44,728 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:16:44,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:16:44,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:16:44,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:16:44,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:16:44,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:16:44,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:16:44,732 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:16:44,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:16:44,733 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:16:44,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:16:44,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:16:44,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:16:44,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:16:44,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:16:44,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:44,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:16:44,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:16:44,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:16:44,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:16:44,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:16:44,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:16:44,739 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:16:44,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:16:44,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:16:44,760 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:16:44,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c [2023-11-06 22:16:45,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:16:45,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:16:45,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:16:45,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:16:45,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:16:45,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2023-11-06 22:16:48,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:16:48,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:16:48,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2023-11-06 22:16:48,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/data/ffed2b65f/85f495f9c25044e09db5cad039359308/FLAGbe68e4b1c [2023-11-06 22:16:48,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/data/ffed2b65f/85f495f9c25044e09db5cad039359308 [2023-11-06 22:16:48,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:16:48,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:16:48,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:48,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:16:48,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:16:48,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:48,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a320d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48, skipping insertion in model container [2023-11-06 22:16:48,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:48,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:48,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:48,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:16:48,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:48,922 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:48,923 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:16:48,928 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:16:48,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48 WrapperNode [2023-11-06 22:16:48,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:48,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:48,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:16:48,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:16:48,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:48,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:48,981 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-06 22:16:48,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:16:48,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:16:48,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:16:48,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:16:48,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:48,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:16:49,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:16:49,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:16:49,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:16:49,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (1/1) ... [2023-11-06 22:16:49,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:49,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:16:49,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:16:49,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:16:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:16:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:16:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:16:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:16:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:16:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:16:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:16:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:16:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:16:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:16:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:16:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:16:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:16:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:16:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:16:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:16:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:16:49,130 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:16:49,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:16:49,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:16:49,926 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:16:50,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:16:50,232 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:16:50,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:50 BoogieIcfgContainer [2023-11-06 22:16:50,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:16:50,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:16:50,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:16:50,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:16:50,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:16:48" (1/3) ... [2023-11-06 22:16:50,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5594ce15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:50, skipping insertion in model container [2023-11-06 22:16:50,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:48" (2/3) ... [2023-11-06 22:16:50,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5594ce15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:16:50, skipping insertion in model container [2023-11-06 22:16:50,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:50" (3/3) ... [2023-11-06 22:16:50,253 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2023-11-06 22:16:50,263 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:16:50,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:16:50,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-06 22:16:50,275 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:16:50,391 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:16:50,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 555 flow [2023-11-06 22:16:50,604 INFO L124 PetriNetUnfolderBase]: 14/264 cut-off events. [2023-11-06 22:16:50,604 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:16:50,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 264 events. 14/264 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 307 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2023-11-06 22:16:50,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 555 flow [2023-11-06 22:16:50,634 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 237 transitions, 492 flow [2023-11-06 22:16:50,639 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:16:50,662 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 237 transitions, 492 flow [2023-11-06 22:16:50,667 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 237 transitions, 492 flow [2023-11-06 22:16:50,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 237 transitions, 492 flow [2023-11-06 22:16:50,750 INFO L124 PetriNetUnfolderBase]: 12/237 cut-off events. [2023-11-06 22:16:50,750 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:16:50,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 237 events. 12/237 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 294 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2023-11-06 22:16:50,758 INFO L119 LiptonReduction]: Number of co-enabled transitions 5682 [2023-11-06 22:17:02,294 INFO L134 LiptonReduction]: Checked pairs total: 35608 [2023-11-06 22:17:02,295 INFO L136 LiptonReduction]: Total number of compositions: 231 [2023-11-06 22:17:02,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:17:02,329 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3fe37031, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:17:02,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-11-06 22:17:02,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:17:02,334 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:17:02,334 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:17:02,334 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:02,335 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:17:02,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:02,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:02,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1122, now seen corresponding path program 1 times [2023-11-06 22:17:02,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:02,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856105853] [2023-11-06 22:17:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:02,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:02,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856105853] [2023-11-06 22:17:02,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856105853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:02,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:02,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:17:02,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351480640] [2023-11-06 22:17:02,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:02,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:17:02,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:02,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:17:02,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:17:02,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 498 [2023-11-06 22:17:02,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:02,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:02,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 498 [2023-11-06 22:17:02,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:02,783 INFO L124 PetriNetUnfolderBase]: 342/792 cut-off events. [2023-11-06 22:17:02,783 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-11-06 22:17:02,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1318 conditions, 792 events. 342/792 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4649 event pairs, 185 based on Foata normal form. 153/790 useless extension candidates. Maximal degree in co-relation 1024. Up to 474 conditions per place. [2023-11-06 22:17:02,798 INFO L140 encePairwiseOnDemand]: 464/498 looper letters, 21 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-11-06 22:17:02,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 160 flow [2023-11-06 22:17:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:17:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:17:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 518 transitions. [2023-11-06 22:17:02,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5200803212851406 [2023-11-06 22:17:02,822 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 518 transitions. [2023-11-06 22:17:02,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 518 transitions. [2023-11-06 22:17:02,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:02,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 518 transitions. [2023-11-06 22:17:02,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 259.0) internal successors, (518), 2 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:02,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:02,845 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:02,847 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 518 transitions. [2023-11-06 22:17:02,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 160 flow [2023-11-06 22:17:02,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:17:02,858 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-11-06 22:17:02,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-11-06 22:17:02,864 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2023-11-06 22:17:02,864 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-11-06 22:17:02,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:02,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:02,865 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:17:02,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:17:02,867 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:02,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:02,872 INFO L85 PathProgramCache]: Analyzing trace with hash -873825146, now seen corresponding path program 1 times [2023-11-06 22:17:02,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:02,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531894728] [2023-11-06 22:17:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:03,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531894728] [2023-11-06 22:17:03,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531894728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:03,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:03,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:17:03,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545122114] [2023-11-06 22:17:03,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:03,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:17:03,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:03,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:17:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:17:03,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 498 [2023-11-06 22:17:03,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:03,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 498 [2023-11-06 22:17:03,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:03,309 INFO L124 PetriNetUnfolderBase]: 744/1409 cut-off events. [2023-11-06 22:17:03,309 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-06 22:17:03,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2481 conditions, 1409 events. 744/1409 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7834 event pairs, 505 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2478. Up to 1043 conditions per place. [2023-11-06 22:17:03,321 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 24 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-11-06 22:17:03,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 147 flow [2023-11-06 22:17:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:17:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:17:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2023-11-06 22:17:03,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45582329317269077 [2023-11-06 22:17:03,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2023-11-06 22:17:03,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2023-11-06 22:17:03,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:03,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2023-11-06 22:17:03,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,342 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 681 transitions. [2023-11-06 22:17:03,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 147 flow [2023-11-06 22:17:03,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 147 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:17:03,347 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-11-06 22:17:03,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-11-06 22:17:03,355 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -37 predicate places. [2023-11-06 22:17:03,355 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-11-06 22:17:03,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:03,356 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:03,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:17:03,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:03,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1990760204, now seen corresponding path program 1 times [2023-11-06 22:17:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:03,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886738897] [2023-11-06 22:17:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:03,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:03,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886738897] [2023-11-06 22:17:03,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886738897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:03,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:03,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:17:03,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539101691] [2023-11-06 22:17:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:03,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:17:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:03,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:17:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:17:03,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 498 [2023-11-06 22:17:03,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:03,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 498 [2023-11-06 22:17:03,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:03,660 INFO L124 PetriNetUnfolderBase]: 499/945 cut-off events. [2023-11-06 22:17:03,660 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-06 22:17:03,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1670 conditions, 945 events. 499/945 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4872 event pairs, 317 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1666. Up to 699 conditions per place. [2023-11-06 22:17:03,670 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 22 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-11-06 22:17:03,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 141 flow [2023-11-06 22:17:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:17:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:17:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2023-11-06 22:17:03,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4544846050870147 [2023-11-06 22:17:03,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2023-11-06 22:17:03,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2023-11-06 22:17:03,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:03,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2023-11-06 22:17:03,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,684 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 679 transitions. [2023-11-06 22:17:03,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 141 flow [2023-11-06 22:17:03,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:17:03,687 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-11-06 22:17:03,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-11-06 22:17:03,689 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -38 predicate places. [2023-11-06 22:17:03,689 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-11-06 22:17:03,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:03,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:03,691 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:03,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:17:03,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:03,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:03,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1505940973, now seen corresponding path program 1 times [2023-11-06 22:17:03,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:03,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514236450] [2023-11-06 22:17:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:03,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:03,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514236450] [2023-11-06 22:17:03,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514236450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:03,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:03,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:17:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992478042] [2023-11-06 22:17:03,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:17:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:03,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:17:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:17:04,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 498 [2023-11-06 22:17:04,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:04,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 498 [2023-11-06 22:17:04,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:04,204 INFO L124 PetriNetUnfolderBase]: 342/745 cut-off events. [2023-11-06 22:17:04,204 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-06 22:17:04,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 745 events. 342/745 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4117 event pairs, 185 based on Foata normal form. 1/603 useless extension candidates. Maximal degree in co-relation 1236. Up to 473 conditions per place. [2023-11-06 22:17:04,211 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 20 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2023-11-06 22:17:04,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 142 flow [2023-11-06 22:17:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:17:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:17:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2023-11-06 22:17:04,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46519410977242304 [2023-11-06 22:17:04,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 695 transitions. [2023-11-06 22:17:04,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 695 transitions. [2023-11-06 22:17:04,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:04,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 695 transitions. [2023-11-06 22:17:04,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,224 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 695 transitions. [2023-11-06 22:17:04,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 142 flow [2023-11-06 22:17:04,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 141 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:17:04,227 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2023-11-06 22:17:04,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2023-11-06 22:17:04,229 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2023-11-06 22:17:04,229 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2023-11-06 22:17:04,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:04,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:04,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:17:04,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:04,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash 852973315, now seen corresponding path program 1 times [2023-11-06 22:17:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:04,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019802909] [2023-11-06 22:17:04,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:04,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:17:04,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:04,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019802909] [2023-11-06 22:17:04,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019802909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:04,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:04,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:17:04,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992376845] [2023-11-06 22:17:04,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:04,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:17:04,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:17:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:17:04,972 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 498 [2023-11-06 22:17:04,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 219.16666666666666) internal successors, (1315), 6 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:04,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:04,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 498 [2023-11-06 22:17:04,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:05,382 INFO L124 PetriNetUnfolderBase]: 858/1258 cut-off events. [2023-11-06 22:17:05,383 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:17:05,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2419 conditions, 1258 events. 858/1258 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5839 event pairs, 72 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2414. Up to 420 conditions per place. [2023-11-06 22:17:05,394 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 54 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-11-06 22:17:05,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 76 transitions, 285 flow [2023-11-06 22:17:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:17:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1360 transitions. [2023-11-06 22:17:05,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45515394912985274 [2023-11-06 22:17:05,400 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1360 transitions. [2023-11-06 22:17:05,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1360 transitions. [2023-11-06 22:17:05,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:05,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1360 transitions. [2023-11-06 22:17:05,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 226.66666666666666) internal successors, (1360), 6 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:05,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:05,416 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:05,416 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1360 transitions. [2023-11-06 22:17:05,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 76 transitions, 285 flow [2023-11-06 22:17:05,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 281 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:17:05,419 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2023-11-06 22:17:05,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-11-06 22:17:05,420 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -33 predicate places. [2023-11-06 22:17:05,420 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2023-11-06 22:17:05,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.16666666666666) internal successors, (1315), 6 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:05,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:05,422 INFO L208 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] [2023-11-06 22:17:05,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:17:05,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:05,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:05,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1419820792, now seen corresponding path program 1 times [2023-11-06 22:17:05,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:05,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315557000] [2023-11-06 22:17:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:05,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:05,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315557000] [2023-11-06 22:17:05,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315557000] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:05,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566730562] [2023-11-06 22:17:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:05,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:05,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:17:05,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:17:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:05,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:17:05,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:05,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:17:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:05,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566730562] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:05,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:17:05,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-11-06 22:17:05,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78704078] [2023-11-06 22:17:05,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:05,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:17:05,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:05,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:17:05,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:17:05,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 498 [2023-11-06 22:17:05,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 218.6) internal successors, (1093), 5 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:05,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:05,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 498 [2023-11-06 22:17:05,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:06,125 INFO L124 PetriNetUnfolderBase]: 397/823 cut-off events. [2023-11-06 22:17:06,126 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-11-06 22:17:06,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1528 conditions, 823 events. 397/823 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4192 event pairs, 152 based on Foata normal form. 34/738 useless extension candidates. Maximal degree in co-relation 1523. Up to 443 conditions per place. [2023-11-06 22:17:06,133 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 31 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2023-11-06 22:17:06,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 207 flow [2023-11-06 22:17:06,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:17:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:17:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1116 transitions. [2023-11-06 22:17:06,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44819277108433736 [2023-11-06 22:17:06,138 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1116 transitions. [2023-11-06 22:17:06,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1116 transitions. [2023-11-06 22:17:06,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:06,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1116 transitions. [2023-11-06 22:17:06,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 223.2) internal successors, (1116), 5 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:06,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 498.0) internal successors, (2988), 6 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:06,150 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 498.0) internal successors, (2988), 6 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:06,150 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 1116 transitions. [2023-11-06 22:17:06,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 207 flow [2023-11-06 22:17:06,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 198 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:17:06,155 INFO L231 Difference]: Finished difference. Result has 54 places, 45 transitions, 118 flow [2023-11-06 22:17:06,155 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2023-11-06 22:17:06,158 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -32 predicate places. [2023-11-06 22:17:06,158 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 118 flow [2023-11-06 22:17:06,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.6) internal successors, (1093), 5 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:06,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:06,159 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:06,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:06,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:17:06,365 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:06,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1212054049, now seen corresponding path program 1 times [2023-11-06 22:17:06,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:06,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134813455] [2023-11-06 22:17:06,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:06,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:17:06,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:06,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134813455] [2023-11-06 22:17:06,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134813455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:06,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:06,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:17:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836547411] [2023-11-06 22:17:06,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:06,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:17:06,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:17:06,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:17:07,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 498 [2023-11-06 22:17:07,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 219.83333333333334) internal successors, (1319), 6 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:07,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:07,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 498 [2023-11-06 22:17:07,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:07,481 INFO L124 PetriNetUnfolderBase]: 419/784 cut-off events. [2023-11-06 22:17:07,482 INFO L125 PetriNetUnfolderBase]: For 112/173 co-relation queries the response was YES. [2023-11-06 22:17:07,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 784 events. 419/784 cut-off events. For 112/173 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3940 event pairs, 165 based on Foata normal form. 61/719 useless extension candidates. Maximal degree in co-relation 1566. Up to 393 conditions per place. [2023-11-06 22:17:07,489 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 47 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2023-11-06 22:17:07,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 266 flow [2023-11-06 22:17:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:17:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1352 transitions. [2023-11-06 22:17:07,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4524765729585007 [2023-11-06 22:17:07,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1352 transitions. [2023-11-06 22:17:07,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1352 transitions. [2023-11-06 22:17:07,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:07,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1352 transitions. [2023-11-06 22:17:07,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:07,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:07,511 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:07,511 INFO L175 Difference]: Start difference. First operand has 54 places, 45 transitions, 118 flow. Second operand 6 states and 1352 transitions. [2023-11-06 22:17:07,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 266 flow [2023-11-06 22:17:07,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 260 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:17:07,514 INFO L231 Difference]: Finished difference. Result has 55 places, 44 transitions, 118 flow [2023-11-06 22:17:07,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=118, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2023-11-06 22:17:07,515 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2023-11-06 22:17:07,515 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 118 flow [2023-11-06 22:17:07,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.83333333333334) internal successors, (1319), 6 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:07,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:17:07,517 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:17:07,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-06 22:17:07,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1499989160, now seen corresponding path program 1 times [2023-11-06 22:17:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323912233] [2023-11-06 22:17:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:17:08,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:08,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323912233] [2023-11-06 22:17:08,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323912233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:08,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:08,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:17:08,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404661438] [2023-11-06 22:17:08,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:08,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:17:08,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:08,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:17:08,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:17:08,257 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 498 [2023-11-06 22:17:08,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 220.33333333333334) internal successors, (1322), 6 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:08,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:17:08,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 498 [2023-11-06 22:17:08,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:17:08,466 INFO L124 PetriNetUnfolderBase]: 323/685 cut-off events. [2023-11-06 22:17:08,466 INFO L125 PetriNetUnfolderBase]: For 117/176 co-relation queries the response was YES. [2023-11-06 22:17:08,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 685 events. 323/685 cut-off events. For 117/176 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3589 event pairs, 184 based on Foata normal form. 59/644 useless extension candidates. Maximal degree in co-relation 1348. Up to 438 conditions per place. [2023-11-06 22:17:08,469 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2023-11-06 22:17:08,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 55 transitions, 218 flow [2023-11-06 22:17:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:17:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1340 transitions. [2023-11-06 22:17:08,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4484605087014726 [2023-11-06 22:17:08,475 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1340 transitions. [2023-11-06 22:17:08,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1340 transitions. [2023-11-06 22:17:08,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:08,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1340 transitions. [2023-11-06 22:17:08,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 223.33333333333334) internal successors, (1340), 6 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:08,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:08,488 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:08,488 INFO L175 Difference]: Start difference. First operand has 55 places, 44 transitions, 118 flow. Second operand 6 states and 1340 transitions. [2023-11-06 22:17:08,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 55 transitions, 218 flow [2023-11-06 22:17:08,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 211 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:17:08,490 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2023-11-06 22:17:08,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2023-11-06 22:17:08,491 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2023-11-06 22:17:08,492 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2023-11-06 22:17:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.33333333333334) internal successors, (1322), 6 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:08,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-11-06 22:17:08,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-11-06 22:17:08,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-11-06 22:17:08,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-11-06 22:17:08,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-11-06 22:17:08,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-11-06 22:17:08,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-11-06 22:17:08,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-11-06 22:17:08,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-11-06 22:17:08,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-11-06 22:17:08,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-11-06 22:17:08,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-11-06 22:17:08,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-11-06 22:17:08,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-11-06 22:17:08,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-11-06 22:17:08,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-11-06 22:17:08,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-11-06 22:17:08,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-11-06 22:17:08,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-11-06 22:17:08,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-11-06 22:17:08,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-11-06 22:17:08,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-11-06 22:17:08,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-11-06 22:17:08,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-11-06 22:17:08,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-11-06 22:17:08,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-11-06 22:17:08,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2023-11-06 22:17:08,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-11-06 22:17:08,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-11-06 22:17:08,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-11-06 22:17:08,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-11-06 22:17:08,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-11-06 22:17:08,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-11-06 22:17:08,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-11-06 22:17:08,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-11-06 22:17:08,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-11-06 22:17:08,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-11-06 22:17:08,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-11-06 22:17:08,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:17:08,507 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:08,513 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:17:08,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:17:08,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:17:08 BasicIcfg [2023-11-06 22:17:08,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:17:08,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:17:08,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:17:08,519 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:17:08,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:16:50" (3/4) ... [2023-11-06 22:17:08,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:17:08,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:17:08,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:17:08,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:17:08,532 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-06 22:17:08,533 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:17:08,534 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:17:08,534 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:17:08,619 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:17:08,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:17:08,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:17:08,621 INFO L158 Benchmark]: Toolchain (without parser) took 20016.14ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 129.0MB in the beginning and 135.5MB in the end (delta: -6.5MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,621 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:08,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.27ms. Allocated memory is still 161.5MB. Free memory was 129.0MB in the beginning and 115.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.30ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,625 INFO L158 Benchmark]: Boogie Preprocessor took 50.77ms. Allocated memory is still 161.5MB. Free memory was 113.8MB in the beginning and 111.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,626 INFO L158 Benchmark]: RCFGBuilder took 1204.10ms. Allocated memory is still 161.5MB. Free memory was 111.2MB in the beginning and 116.2MB in the end (delta: -4.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,626 INFO L158 Benchmark]: TraceAbstraction took 18277.76ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 116.2MB in the beginning and 139.7MB in the end (delta: -23.5MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,627 INFO L158 Benchmark]: Witness Printer took 101.55ms. Allocated memory is still 234.9MB. Free memory was 139.7MB in the beginning and 135.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:17:08,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.27ms. Allocated memory is still 161.5MB. Free memory was 129.0MB in the beginning and 115.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.30ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.77ms. Allocated memory is still 161.5MB. Free memory was 113.8MB in the beginning and 111.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1204.10ms. Allocated memory is still 161.5MB. Free memory was 111.2MB in the beginning and 116.2MB in the end (delta: -4.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18277.76ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 116.2MB in the beginning and 139.7MB in the end (delta: -23.5MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. * Witness Printer took 101.55ms. Allocated memory is still 234.9MB. Free memory was 139.7MB in the beginning and 135.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.6s, 235 PlacesBefore, 86 PlacesAfterwards, 237 TransitionsBefore, 83 TransitionsAfterwards, 5682 CoEnabledTransitionPairs, 8 FixpointIterations, 143 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 231 TotalNumberOfCompositions, 35608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10174, independent: 9375, independent conditional: 0, independent unconditional: 9375, dependent: 799, dependent conditional: 0, dependent unconditional: 799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2906, independent: 2783, independent conditional: 0, independent unconditional: 2783, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10174, independent: 6592, independent conditional: 0, independent unconditional: 6592, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 2906, unknown conditional: 0, unknown unconditional: 2906] , Statistics on independence cache: Total cache size (in pairs): 559, Positive cache size: 491, Positive conditional cache size: 0, Positive unconditional cache size: 491, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 60]: 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: 61]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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 7 procedures, 317 locations, 63 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: 18.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 604 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1183 IncrementalHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 68 mSDtfsCounter, 1183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 474 SizeOfPredicates, 2 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:17:08,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5b7d67-952e-42a8-aa66-2afc97d857d1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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