./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:38:06,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:38:06,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:38:06,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:38:06,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:38:06,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:38:06,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:38:06,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:38:06,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:38:06,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:38:06,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:38:06,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:38:06,161 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:38:06,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:38:06,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:38:06,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:38:06,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:38:06,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:38:06,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:38:06,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:38:06,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:38:06,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:38:06,168 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:38:06,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:38:06,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:38:06,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:38:06,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:38:06,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:38:06,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:38:06,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:38:06,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:38:06,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:38:06,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:38:06,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:38:06,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:38:06,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:38:06,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:38:06,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:38:06,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:38:06,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:38:06,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:38:06,184 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_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2023-11-23 22:38:06,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:38:06,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:38:06,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:38:06,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:38:06,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:38:06,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-23 22:38:09,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:38:10,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:38:10,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-23 22:38:10,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/data/8c27f053e/cecea718767841269bd10b3247ac37b0/FLAGa53a99b3d [2023-11-23 22:38:10,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/data/8c27f053e/cecea718767841269bd10b3247ac37b0 [2023-11-23 22:38:10,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:38:10,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:38:10,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:38:10,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:38:10,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:38:10,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1482672c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10, skipping insertion in model container [2023-11-23 22:38:10,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:38:10,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:38:10,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:38:10,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:38:10,453 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:38:10,454 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:38:10,460 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:38:10,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10 WrapperNode [2023-11-23 22:38:10,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:38:10,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:38:10,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:38:10,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:38:10,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,542 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 429 [2023-11-23 22:38:10,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:38:10,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:38:10,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:38:10,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:38:10,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:38:10,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:38:10,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:38:10,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:38:10,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (1/1) ... [2023-11-23 22:38:10,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:38:10,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:38:10,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:38:10,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:38:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:38:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 22:38:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 22:38:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 22:38:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 22:38:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:38:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:38:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:38:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 22:38:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 22:38:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:38:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:38:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:38:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:38:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:38:10,721 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:38:10,894 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:38:10,896 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:38:11,686 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:38:12,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:38:12,146 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 22:38:12,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:38:12 BoogieIcfgContainer [2023-11-23 22:38:12,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:38:12,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:38:12,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:38:12,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:38:12,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:38:10" (1/3) ... [2023-11-23 22:38:12,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59488081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:38:12, skipping insertion in model container [2023-11-23 22:38:12,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:10" (2/3) ... [2023-11-23 22:38:12,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59488081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:38:12, skipping insertion in model container [2023-11-23 22:38:12,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:38:12" (3/3) ... [2023-11-23 22:38:12,162 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2023-11-23 22:38:12,173 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:38:12,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:38:12,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2023-11-23 22:38:12,185 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:38:12,345 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:38:12,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 393 transitions, 800 flow [2023-11-23 22:38:12,648 INFO L124 PetriNetUnfolderBase]: 16/391 cut-off events. [2023-11-23 22:38:12,649 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:38:12,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 391 events. 16/391 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 625 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2023-11-23 22:38:12,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 384 places, 393 transitions, 800 flow [2023-11-23 22:38:12,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 370 transitions, 752 flow [2023-11-23 22:38:12,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:38:12,702 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67a4fc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:38:12,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-11-23 22:38:12,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:38:12,716 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-23 22:38:12,717 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:38:12,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:12,717 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, 1, 1, 1] [2023-11-23 22:38:12,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:12,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash 733562783, now seen corresponding path program 1 times [2023-11-23 22:38:12,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:12,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954687829] [2023-11-23 22:38:12,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:12,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:13,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954687829] [2023-11-23 22:38:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954687829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:13,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:13,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189259269] [2023-11-23 22:38:13,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:13,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:13,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:13,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:13,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:13,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:13,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 370 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:13,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:13,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:13,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:13,414 INFO L124 PetriNetUnfolderBase]: 40/506 cut-off events. [2023-11-23 22:38:13,414 INFO L125 PetriNetUnfolderBase]: For 39/42 co-relation queries the response was YES. [2023-11-23 22:38:13,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 506 events. 40/506 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1564 event pairs, 13 based on Foata normal form. 22/425 useless extension candidates. Maximal degree in co-relation 281. Up to 61 conditions per place. [2023-11-23 22:38:13,426 INFO L140 encePairwiseOnDemand]: 349/393 looper letters, 15 selfloop transitions, 2 changer transitions 5/328 dead transitions. [2023-11-23 22:38:13,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 328 transitions, 702 flow [2023-11-23 22:38:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1052 transitions. [2023-11-23 22:38:13,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8922815945716709 [2023-11-23 22:38:13,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1052 transitions. [2023-11-23 22:38:13,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1052 transitions. [2023-11-23 22:38:13,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:13,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1052 transitions. [2023-11-23 22:38:13,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2023-11-23 22:38:13,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:13,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:13,487 INFO L175 Difference]: Start difference. First operand has 362 places, 370 transitions, 752 flow. Second operand 3 states and 1052 transitions. [2023-11-23 22:38:13,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 328 transitions, 702 flow [2023-11-23 22:38:13,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 328 transitions, 694 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:38:13,508 INFO L231 Difference]: Finished difference. Result has 327 places, 323 transitions, 654 flow [2023-11-23 22:38:13,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=327, PETRI_TRANSITIONS=323} [2023-11-23 22:38:13,515 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -35 predicate places. [2023-11-23 22:38:13,516 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 323 transitions, 654 flow [2023-11-23 22:38:13,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:13,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:13,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:13,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:38:13,519 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:13,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 897322483, now seen corresponding path program 1 times [2023-11-23 22:38:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:13,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3905646] [2023-11-23 22:38:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:13,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:13,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3905646] [2023-11-23 22:38:13,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3905646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:13,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:13,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851417098] [2023-11-23 22:38:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:13,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:13,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:13,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:13,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:13,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:13,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 323 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:13,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:13,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:13,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:13,852 INFO L124 PetriNetUnfolderBase]: 26/513 cut-off events. [2023-11-23 22:38:13,852 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2023-11-23 22:38:13,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 513 events. 26/513 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1594 event pairs, 10 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 535. Up to 44 conditions per place. [2023-11-23 22:38:13,857 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2023-11-23 22:38:13,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 322 transitions, 686 flow [2023-11-23 22:38:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-23 22:38:13,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-23 22:38:13,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-23 22:38:13,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-23 22:38:13,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:13,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-23 22:38:13,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-23 22:38:13,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:13,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:13,875 INFO L175 Difference]: Start difference. First operand has 327 places, 323 transitions, 654 flow. Second operand 3 states and 1011 transitions. [2023-11-23 22:38:13,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 322 transitions, 686 flow [2023-11-23 22:38:13,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 322 transitions, 682 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:13,889 INFO L231 Difference]: Finished difference. Result has 321 places, 322 transitions, 652 flow [2023-11-23 22:38:13,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2023-11-23 22:38:13,892 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -41 predicate places. [2023-11-23 22:38:13,893 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 652 flow [2023-11-23 22:38:13,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:13,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:13,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:13,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:38:13,899 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:13,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 219213541, now seen corresponding path program 1 times [2023-11-23 22:38:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:13,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574053743] [2023-11-23 22:38:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:13,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:13,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574053743] [2023-11-23 22:38:13,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574053743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:13,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:13,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:13,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060815934] [2023-11-23 22:38:13,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:13,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:13,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:14,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:14,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-23 22:38:14,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:14,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:14,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:14,284 INFO L124 PetriNetUnfolderBase]: 28/487 cut-off events. [2023-11-23 22:38:14,284 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-23 22:38:14,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 487 events. 28/487 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 7 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 497. Up to 41 conditions per place. [2023-11-23 22:38:14,290 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2023-11-23 22:38:14,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 321 transitions, 680 flow [2023-11-23 22:38:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2023-11-23 22:38:14,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8608990670059372 [2023-11-23 22:38:14,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:14,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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) [2023-11-23 22:38:14,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,308 INFO L175 Difference]: Start difference. First operand has 321 places, 322 transitions, 652 flow. Second operand 3 states and 1015 transitions. [2023-11-23 22:38:14,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 321 transitions, 680 flow [2023-11-23 22:38:14,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 321 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:14,320 INFO L231 Difference]: Finished difference. Result has 320 places, 321 transitions, 650 flow [2023-11-23 22:38:14,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=320, PETRI_TRANSITIONS=321} [2023-11-23 22:38:14,323 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -42 predicate places. [2023-11-23 22:38:14,323 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 321 transitions, 650 flow [2023-11-23 22:38:14,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-23 22:38:14,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:14,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:14,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:38:14,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:14,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1740945814, now seen corresponding path program 1 times [2023-11-23 22:38:14,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:14,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709720560] [2023-11-23 22:38:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:14,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:14,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:14,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709720560] [2023-11-23 22:38:14,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709720560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:14,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:14,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336920261] [2023-11-23 22:38:14,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:14,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:14,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:14,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:14,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 321 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-23 22:38:14,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:14,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:14,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:14,589 INFO L124 PetriNetUnfolderBase]: 28/486 cut-off events. [2023-11-23 22:38:14,590 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-23 22:38:14,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 486 events. 28/486 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 7 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 488. Up to 41 conditions per place. [2023-11-23 22:38:14,595 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2023-11-23 22:38:14,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 320 transitions, 678 flow [2023-11-23 22:38:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2023-11-23 22:38:14,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8608990670059372 [2023-11-23 22:38:14,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:14,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2023-11-23 22:38:14,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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) [2023-11-23 22:38:14,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,610 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,610 INFO L175 Difference]: Start difference. First operand has 320 places, 321 transitions, 650 flow. Second operand 3 states and 1015 transitions. [2023-11-23 22:38:14,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 320 transitions, 678 flow [2023-11-23 22:38:14,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 320 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:14,618 INFO L231 Difference]: Finished difference. Result has 319 places, 320 transitions, 648 flow [2023-11-23 22:38:14,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=319, PETRI_TRANSITIONS=320} [2023-11-23 22:38:14,620 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-23 22:38:14,620 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 320 transitions, 648 flow [2023-11-23 22:38:14,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-23 22:38:14,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:14,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:14,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:38:14,622 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:14,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:14,623 INFO L85 PathProgramCache]: Analyzing trace with hash -450696811, now seen corresponding path program 1 times [2023-11-23 22:38:14,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:14,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19858358] [2023-11-23 22:38:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:14,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:14,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19858358] [2023-11-23 22:38:14,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19858358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:14,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:14,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:14,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690917345] [2023-11-23 22:38:14,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:14,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:14,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:14,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:14,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:14,717 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 393 [2023-11-23 22:38:14,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-23 22:38:14,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:14,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 393 [2023-11-23 22:38:14,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:14,840 INFO L124 PetriNetUnfolderBase]: 34/515 cut-off events. [2023-11-23 22:38:14,841 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2023-11-23 22:38:14,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 515 events. 34/515 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1630 event pairs, 4 based on Foata normal form. 1/434 useless extension candidates. Maximal degree in co-relation 517. Up to 27 conditions per place. [2023-11-23 22:38:14,846 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2023-11-23 22:38:14,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 324 transitions, 692 flow [2023-11-23 22:38:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1029 transitions. [2023-11-23 22:38:14,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8727735368956743 [2023-11-23 22:38:14,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1029 transitions. [2023-11-23 22:38:14,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1029 transitions. [2023-11-23 22:38:14,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:14,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1029 transitions. [2023-11-23 22:38:14,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 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) [2023-11-23 22:38:14,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:14,862 INFO L175 Difference]: Start difference. First operand has 319 places, 320 transitions, 648 flow. Second operand 3 states and 1029 transitions. [2023-11-23 22:38:14,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 324 transitions, 692 flow [2023-11-23 22:38:14,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 324 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:14,870 INFO L231 Difference]: Finished difference. Result has 319 places, 320 transitions, 652 flow [2023-11-23 22:38:14,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=319, PETRI_TRANSITIONS=320} [2023-11-23 22:38:14,872 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-23 22:38:14,872 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 320 transitions, 652 flow [2023-11-23 22:38:14,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-23 22:38:14,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:14,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:14,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:38:14,874 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:14,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:14,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1644457519, now seen corresponding path program 1 times [2023-11-23 22:38:14,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:14,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804999523] [2023-11-23 22:38:14,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:14,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:14,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:14,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804999523] [2023-11-23 22:38:14,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804999523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:14,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:14,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:14,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505131685] [2023-11-23 22:38:14,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:14,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:14,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:14,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:14,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:14,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-23 22:38:14,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:14,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:14,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-23 22:38:14,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:15,077 INFO L124 PetriNetUnfolderBase]: 34/514 cut-off events. [2023-11-23 22:38:15,078 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2023-11-23 22:38:15,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 514 events. 34/514 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1619 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 332. Up to 51 conditions per place. [2023-11-23 22:38:15,083 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2023-11-23 22:38:15,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 319 transitions, 680 flow [2023-11-23 22:38:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:15,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-23 22:38:15,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-23 22:38:15,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-23 22:38:15,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-23 22:38:15,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:15,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-23 22:38:15,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-23 22:38:15,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:15,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:15,098 INFO L175 Difference]: Start difference. First operand has 319 places, 320 transitions, 652 flow. Second operand 3 states and 1017 transitions. [2023-11-23 22:38:15,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 319 transitions, 680 flow [2023-11-23 22:38:15,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 319 transitions, 678 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:15,107 INFO L231 Difference]: Finished difference. Result has 319 places, 319 transitions, 652 flow [2023-11-23 22:38:15,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=319, PETRI_TRANSITIONS=319} [2023-11-23 22:38:15,111 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-23 22:38:15,111 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 319 transitions, 652 flow [2023-11-23 22:38:15,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:15,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:15,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:15,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:38:15,114 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:15,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1638109976, now seen corresponding path program 1 times [2023-11-23 22:38:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151262286] [2023-11-23 22:38:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:15,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:15,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151262286] [2023-11-23 22:38:15,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151262286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:15,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:15,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:15,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255424029] [2023-11-23 22:38:15,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:15,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:15,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:15,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:15,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:15,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 393 [2023-11-23 22:38:15,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 319 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-23 22:38:15,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:15,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 393 [2023-11-23 22:38:15,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:15,288 INFO L124 PetriNetUnfolderBase]: 34/513 cut-off events. [2023-11-23 22:38:15,288 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-23 22:38:15,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 513 events. 34/513 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1617 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 516. Up to 49 conditions per place. [2023-11-23 22:38:15,294 INFO L140 encePairwiseOnDemand]: 391/393 looper letters, 12 selfloop transitions, 1 changer transitions 0/318 dead transitions. [2023-11-23 22:38:15,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 318 transitions, 676 flow [2023-11-23 22:38:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1024 transitions. [2023-11-23 22:38:15,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8685326547921968 [2023-11-23 22:38:15,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1024 transitions. [2023-11-23 22:38:15,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1024 transitions. [2023-11-23 22:38:15,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:15,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1024 transitions. [2023-11-23 22:38:15,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2023-11-23 22:38:15,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:15,307 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:15,307 INFO L175 Difference]: Start difference. First operand has 319 places, 319 transitions, 652 flow. Second operand 3 states and 1024 transitions. [2023-11-23 22:38:15,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 318 transitions, 676 flow [2023-11-23 22:38:15,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 318 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:15,315 INFO L231 Difference]: Finished difference. Result has 318 places, 318 transitions, 648 flow [2023-11-23 22:38:15,316 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2023-11-23 22:38:15,317 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -44 predicate places. [2023-11-23 22:38:15,317 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 648 flow [2023-11-23 22:38:15,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-23 22:38:15,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:15,318 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:15,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:38:15,319 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:15,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:15,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1637485399, now seen corresponding path program 1 times [2023-11-23 22:38:15,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:15,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899462907] [2023-11-23 22:38:15,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:16,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:16,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899462907] [2023-11-23 22:38:16,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899462907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:16,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:16,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:38:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870893852] [2023-11-23 22:38:16,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:16,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:38:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:38:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:38:16,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 393 [2023-11-23 22:38:16,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2023-11-23 22:38:16,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:16,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 393 [2023-11-23 22:38:16,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:16,954 INFO L124 PetriNetUnfolderBase]: 458/1961 cut-off events. [2023-11-23 22:38:16,954 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2023-11-23 22:38:16,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 1961 events. 458/1961 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 13995 event pairs, 346 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 2747. Up to 704 conditions per place. [2023-11-23 22:38:16,979 INFO L140 encePairwiseOnDemand]: 381/393 looper letters, 46 selfloop transitions, 10 changer transitions 0/316 dead transitions. [2023-11-23 22:38:16,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 316 transitions, 756 flow [2023-11-23 22:38:16,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:38:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:38:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1815 transitions. [2023-11-23 22:38:16,987 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697201017811705 [2023-11-23 22:38:16,987 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1815 transitions. [2023-11-23 22:38:16,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1815 transitions. [2023-11-23 22:38:16,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:16,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1815 transitions. [2023-11-23 22:38:16,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 302.5) internal successors, (1815), 6 states have internal predecessors, (1815), 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) [2023-11-23 22:38:17,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:17,004 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:17,004 INFO L175 Difference]: Start difference. First operand has 318 places, 318 transitions, 648 flow. Second operand 6 states and 1815 transitions. [2023-11-23 22:38:17,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 316 transitions, 756 flow [2023-11-23 22:38:17,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 316 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:17,014 INFO L231 Difference]: Finished difference. Result has 320 places, 316 transitions, 663 flow [2023-11-23 22:38:17,015 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=320, PETRI_TRANSITIONS=316} [2023-11-23 22:38:17,016 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -42 predicate places. [2023-11-23 22:38:17,016 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 316 transitions, 663 flow [2023-11-23 22:38:17,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2023-11-23 22:38:17,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:17,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:17,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:38:17,018 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:17,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1543975925, now seen corresponding path program 1 times [2023-11-23 22:38:17,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:17,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372144172] [2023-11-23 22:38:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:17,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:17,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372144172] [2023-11-23 22:38:17,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372144172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:17,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:17,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:17,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512154604] [2023-11-23 22:38:17,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:17,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:17,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:17,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:17,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:17,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-23 22:38:17,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 316 transitions, 663 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:17,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:17,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-23 22:38:17,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:17,222 INFO L124 PetriNetUnfolderBase]: 34/510 cut-off events. [2023-11-23 22:38:17,223 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-23 22:38:17,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 510 events. 34/510 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1617 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 555. Up to 51 conditions per place. [2023-11-23 22:38:17,228 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2023-11-23 22:38:17,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 315 transitions, 691 flow [2023-11-23 22:38:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-23 22:38:17,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-23 22:38:17,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-23 22:38:17,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-23 22:38:17,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:17,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-23 22:38:17,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-23 22:38:17,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,245 INFO L175 Difference]: Start difference. First operand has 320 places, 316 transitions, 663 flow. Second operand 3 states and 1017 transitions. [2023-11-23 22:38:17,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 315 transitions, 691 flow [2023-11-23 22:38:17,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 315 transitions, 671 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:38:17,255 INFO L231 Difference]: Finished difference. Result has 316 places, 315 transitions, 645 flow [2023-11-23 22:38:17,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2023-11-23 22:38:17,257 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -46 predicate places. [2023-11-23 22:38:17,258 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 645 flow [2023-11-23 22:38:17,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:17,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:17,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:17,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:38:17,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:17,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash 623988239, now seen corresponding path program 1 times [2023-11-23 22:38:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331824770] [2023-11-23 22:38:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:17,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:17,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331824770] [2023-11-23 22:38:17,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331824770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:17,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:17,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:17,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942633235] [2023-11-23 22:38:17,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:17,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:17,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:17,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:17,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:17,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-23 22:38:17,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:17,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:17,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:17,512 INFO L124 PetriNetUnfolderBase]: 37/578 cut-off events. [2023-11-23 22:38:17,512 INFO L125 PetriNetUnfolderBase]: For 18/25 co-relation queries the response was YES. [2023-11-23 22:38:17,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 578 events. 37/578 cut-off events. For 18/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1999 event pairs, 18 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 602. Up to 63 conditions per place. [2023-11-23 22:38:17,519 INFO L140 encePairwiseOnDemand]: 389/393 looper letters, 16 selfloop transitions, 1 changer transitions 0/312 dead transitions. [2023-11-23 22:38:17,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 312 transitions, 673 flow [2023-11-23 22:38:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2023-11-23 22:38:17,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8583545377438507 [2023-11-23 22:38:17,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2023-11-23 22:38:17,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2023-11-23 22:38:17,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:17,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2023-11-23 22:38:17,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-23 22:38:17,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,544 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,553 INFO L175 Difference]: Start difference. First operand has 316 places, 315 transitions, 645 flow. Second operand 3 states and 1012 transitions. [2023-11-23 22:38:17,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 312 transitions, 673 flow [2023-11-23 22:38:17,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 312 transitions, 669 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:17,563 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 637 flow [2023-11-23 22:38:17,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=313, PETRI_TRANSITIONS=312} [2023-11-23 22:38:17,566 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-23 22:38:17,566 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 637 flow [2023-11-23 22:38:17,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-23 22:38:17,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:17,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:17,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 22:38:17,570 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:17,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:17,570 INFO L85 PathProgramCache]: Analyzing trace with hash -598772311, now seen corresponding path program 1 times [2023-11-23 22:38:17,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:17,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009608212] [2023-11-23 22:38:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:17,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:17,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009608212] [2023-11-23 22:38:17,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009608212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:17,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:17,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:17,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045237229] [2023-11-23 22:38:17,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:17,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:17,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:17,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:17,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:17,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:17,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:17,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:17,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:17,822 INFO L124 PetriNetUnfolderBase]: 45/626 cut-off events. [2023-11-23 22:38:17,822 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2023-11-23 22:38:17,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 626 events. 45/626 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2443 event pairs, 18 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 658. Up to 72 conditions per place. [2023-11-23 22:38:17,829 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 16 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2023-11-23 22:38:17,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 311 transitions, 671 flow [2023-11-23 22:38:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-23 22:38:17,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-23 22:38:17,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-23 22:38:17,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-23 22:38:17,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:17,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-23 22:38:17,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-23 22:38:17,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,843 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:17,844 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 637 flow. Second operand 3 states and 1011 transitions. [2023-11-23 22:38:17,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 311 transitions, 671 flow [2023-11-23 22:38:17,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:17,854 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 638 flow [2023-11-23 22:38:17,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2023-11-23 22:38:17,856 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-23 22:38:17,856 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 638 flow [2023-11-23 22:38:17,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:17,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:17,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:17,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 22:38:17,858 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:17,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1205778762, now seen corresponding path program 1 times [2023-11-23 22:38:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:17,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992062908] [2023-11-23 22:38:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:17,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:17,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992062908] [2023-11-23 22:38:17,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992062908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:17,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:17,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:17,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140957053] [2023-11-23 22:38:17,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:17,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:17,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:17,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:17,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:17,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-23 22:38:17,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:17,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:17,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:18,110 INFO L124 PetriNetUnfolderBase]: 53/640 cut-off events. [2023-11-23 22:38:18,111 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-23 22:38:18,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 640 events. 53/640 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2543 event pairs, 26 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 694. Up to 85 conditions per place. [2023-11-23 22:38:18,117 INFO L140 encePairwiseOnDemand]: 389/393 looper letters, 16 selfloop transitions, 1 changer transitions 0/308 dead transitions. [2023-11-23 22:38:18,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 666 flow [2023-11-23 22:38:18,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2023-11-23 22:38:18,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8583545377438507 [2023-11-23 22:38:18,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2023-11-23 22:38:18,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2023-11-23 22:38:18,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:18,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2023-11-23 22:38:18,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-23 22:38:18,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:18,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:18,131 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 638 flow. Second operand 3 states and 1012 transitions. [2023-11-23 22:38:18,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 666 flow [2023-11-23 22:38:18,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:18,140 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 630 flow [2023-11-23 22:38:18,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2023-11-23 22:38:18,142 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-23 22:38:18,143 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 630 flow [2023-11-23 22:38:18,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-23 22:38:18,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:18,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:18,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 22:38:18,144 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:18,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:18,145 INFO L85 PathProgramCache]: Analyzing trace with hash 317709038, now seen corresponding path program 1 times [2023-11-23 22:38:18,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:18,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871063680] [2023-11-23 22:38:18,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:18,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:18,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871063680] [2023-11-23 22:38:18,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871063680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:18,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:18,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:38:18,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468765912] [2023-11-23 22:38:18,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:18,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:38:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:18,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:38:18,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:38:19,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 393 [2023-11-23 22:38:19,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 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) [2023-11-23 22:38:19,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:19,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 393 [2023-11-23 22:38:19,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:19,384 INFO L124 PetriNetUnfolderBase]: 34/500 cut-off events. [2023-11-23 22:38:19,385 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-23 22:38:19,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 500 events. 34/500 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1585 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 516. Up to 49 conditions per place. [2023-11-23 22:38:19,390 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 21 selfloop transitions, 4 changer transitions 0/307 dead transitions. [2023-11-23 22:38:19,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 307 transitions, 678 flow [2023-11-23 22:38:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:38:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:38:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1975 transitions. [2023-11-23 22:38:19,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8375742154368109 [2023-11-23 22:38:19,398 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1975 transitions. [2023-11-23 22:38:19,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1975 transitions. [2023-11-23 22:38:19,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:19,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1975 transitions. [2023-11-23 22:38:19,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.1666666666667) internal successors, (1975), 6 states have internal predecessors, (1975), 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) [2023-11-23 22:38:19,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:19,413 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:19,413 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 630 flow. Second operand 6 states and 1975 transitions. [2023-11-23 22:38:19,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 307 transitions, 678 flow [2023-11-23 22:38:19,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 307 transitions, 677 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:19,421 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 635 flow [2023-11-23 22:38:19,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2023-11-23 22:38:19,423 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-23 22:38:19,423 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 635 flow [2023-11-23 22:38:19,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 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) [2023-11-23 22:38:19,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:19,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:19,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 22:38:19,425 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:19,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash 313049798, now seen corresponding path program 1 times [2023-11-23 22:38:19,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:19,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566372994] [2023-11-23 22:38:19,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:19,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:19,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566372994] [2023-11-23 22:38:19,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566372994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:19,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:19,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:19,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681572921] [2023-11-23 22:38:19,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:19,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:19,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:19,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:19,522 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-23 22:38:19,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:19,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:19,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-23 22:38:19,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:19,641 INFO L124 PetriNetUnfolderBase]: 46/511 cut-off events. [2023-11-23 22:38:19,641 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2023-11-23 22:38:19,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 511 events. 46/511 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1778 event pairs, 16 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 542. Up to 72 conditions per place. [2023-11-23 22:38:19,647 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 16 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2023-11-23 22:38:19,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 306 transitions, 669 flow [2023-11-23 22:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-23 22:38:19,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-23 22:38:19,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-23 22:38:19,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-23 22:38:19,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:19,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-23 22:38:19,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-23 22:38:19,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:19,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:19,660 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 635 flow. Second operand 3 states and 1011 transitions. [2023-11-23 22:38:19,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 306 transitions, 669 flow [2023-11-23 22:38:19,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 306 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:38:19,669 INFO L231 Difference]: Finished difference. Result has 310 places, 306 transitions, 630 flow [2023-11-23 22:38:19,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=310, PETRI_TRANSITIONS=306} [2023-11-23 22:38:19,671 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-23 22:38:19,671 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 306 transitions, 630 flow [2023-11-23 22:38:19,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-23 22:38:19,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:19,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:19,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 22:38:19,673 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:19,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:19,673 INFO L85 PathProgramCache]: Analyzing trace with hash 967155259, now seen corresponding path program 1 times [2023-11-23 22:38:19,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:19,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171686364] [2023-11-23 22:38:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:19,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:19,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:19,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171686364] [2023-11-23 22:38:19,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171686364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:19,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:19,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:19,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96451874] [2023-11-23 22:38:19,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:19,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:19,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:19,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:19,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:19,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:19,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 306 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-23 22:38:19,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:19,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:19,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:19,938 INFO L124 PetriNetUnfolderBase]: 62/598 cut-off events. [2023-11-23 22:38:19,938 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-23 22:38:19,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 598 events. 62/598 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2295 event pairs, 13 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 650. Up to 58 conditions per place. [2023-11-23 22:38:19,945 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 19 selfloop transitions, 3 changer transitions 0/310 dead transitions. [2023-11-23 22:38:19,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 310 transitions, 684 flow [2023-11-23 22:38:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2023-11-23 22:38:19,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8676844783715013 [2023-11-23 22:38:19,950 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2023-11-23 22:38:19,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2023-11-23 22:38:19,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:19,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2023-11-23 22:38:19,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.0) internal successors, (1023), 3 states have internal predecessors, (1023), 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) [2023-11-23 22:38:19,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:19,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:19,985 INFO L175 Difference]: Start difference. First operand has 310 places, 306 transitions, 630 flow. Second operand 3 states and 1023 transitions. [2023-11-23 22:38:19,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 310 transitions, 684 flow [2023-11-23 22:38:19,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 310 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:19,994 INFO L231 Difference]: Finished difference. Result has 310 places, 306 transitions, 642 flow [2023-11-23 22:38:19,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=310, PETRI_TRANSITIONS=306} [2023-11-23 22:38:19,997 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-23 22:38:19,997 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 306 transitions, 642 flow [2023-11-23 22:38:19,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-23 22:38:19,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:19,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:19,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 22:38:19,999 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:19,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:19,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1757487143, now seen corresponding path program 1 times [2023-11-23 22:38:19,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766586425] [2023-11-23 22:38:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:20,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:20,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:20,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766586425] [2023-11-23 22:38:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766586425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:20,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:20,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730156958] [2023-11-23 22:38:20,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:20,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:20,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:20,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:20,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:20,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 393 [2023-11-23 22:38:20,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 306 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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) [2023-11-23 22:38:20,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:20,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 393 [2023-11-23 22:38:20,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:20,237 INFO L124 PetriNetUnfolderBase]: 55/719 cut-off events. [2023-11-23 22:38:20,238 INFO L125 PetriNetUnfolderBase]: For 37/39 co-relation queries the response was YES. [2023-11-23 22:38:20,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 719 events. 55/719 cut-off events. For 37/39 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3045 event pairs, 23 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 793. Up to 74 conditions per place. [2023-11-23 22:38:20,252 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2023-11-23 22:38:20,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 305 transitions, 674 flow [2023-11-23 22:38:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1013 transitions. [2023-11-23 22:38:20,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8592027141645462 [2023-11-23 22:38:20,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1013 transitions. [2023-11-23 22:38:20,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1013 transitions. [2023-11-23 22:38:20,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:20,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1013 transitions. [2023-11-23 22:38:20,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 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) [2023-11-23 22:38:20,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,265 INFO L175 Difference]: Start difference. First operand has 310 places, 306 transitions, 642 flow. Second operand 3 states and 1013 transitions. [2023-11-23 22:38:20,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 305 transitions, 674 flow [2023-11-23 22:38:20,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 305 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:20,274 INFO L231 Difference]: Finished difference. Result has 309 places, 305 transitions, 638 flow [2023-11-23 22:38:20,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=309, PETRI_TRANSITIONS=305} [2023-11-23 22:38:20,275 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -53 predicate places. [2023-11-23 22:38:20,275 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 305 transitions, 638 flow [2023-11-23 22:38:20,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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) [2023-11-23 22:38:20,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:20,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:20,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 22:38:20,279 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:20,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:20,279 INFO L85 PathProgramCache]: Analyzing trace with hash -749669112, now seen corresponding path program 1 times [2023-11-23 22:38:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:20,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533077235] [2023-11-23 22:38:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:20,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:20,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533077235] [2023-11-23 22:38:20,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533077235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:20,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:20,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:20,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239414334] [2023-11-23 22:38:20,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:20,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:20,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:20,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:20,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:20,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 393 [2023-11-23 22:38:20,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 305 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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) [2023-11-23 22:38:20,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:20,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 393 [2023-11-23 22:38:20,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:20,569 INFO L124 PetriNetUnfolderBase]: 78/865 cut-off events. [2023-11-23 22:38:20,570 INFO L125 PetriNetUnfolderBase]: For 29/37 co-relation queries the response was YES. [2023-11-23 22:38:20,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 865 events. 78/865 cut-off events. For 29/37 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4191 event pairs, 28 based on Foata normal form. 1/749 useless extension candidates. Maximal degree in co-relation 984. Up to 106 conditions per place. [2023-11-23 22:38:20,579 INFO L140 encePairwiseOnDemand]: 386/393 looper letters, 18 selfloop transitions, 4 changer transitions 0/308 dead transitions. [2023-11-23 22:38:20,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 308 transitions, 693 flow [2023-11-23 22:38:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2023-11-23 22:38:20,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8642917726887193 [2023-11-23 22:38:20,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1019 transitions. [2023-11-23 22:38:20,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1019 transitions. [2023-11-23 22:38:20,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:20,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1019 transitions. [2023-11-23 22:38:20,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-23 22:38:20,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,592 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,593 INFO L175 Difference]: Start difference. First operand has 309 places, 305 transitions, 638 flow. Second operand 3 states and 1019 transitions. [2023-11-23 22:38:20,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 308 transitions, 693 flow [2023-11-23 22:38:20,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:20,603 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 652 flow [2023-11-23 22:38:20,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2023-11-23 22:38:20,604 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -55 predicate places. [2023-11-23 22:38:20,605 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 652 flow [2023-11-23 22:38:20,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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) [2023-11-23 22:38:20,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:20,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:20,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 22:38:20,606 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:20,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1302441450, now seen corresponding path program 1 times [2023-11-23 22:38:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734354539] [2023-11-23 22:38:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:20,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:20,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:20,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734354539] [2023-11-23 22:38:20,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734354539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:20,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:20,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:20,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243812199] [2023-11-23 22:38:20,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:20,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:20,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:20,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:20,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:20,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:20,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:20,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:20,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:20,905 INFO L124 PetriNetUnfolderBase]: 63/676 cut-off events. [2023-11-23 22:38:20,905 INFO L125 PetriNetUnfolderBase]: For 74/89 co-relation queries the response was YES. [2023-11-23 22:38:20,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 676 events. 63/676 cut-off events. For 74/89 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3111 event pairs, 17 based on Foata normal form. 3/595 useless extension candidates. Maximal degree in co-relation 809. Up to 69 conditions per place. [2023-11-23 22:38:20,912 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 16 selfloop transitions, 2 changer transitions 3/306 dead transitions. [2023-11-23 22:38:20,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 698 flow [2023-11-23 22:38:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2023-11-23 22:38:20,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634435962680237 [2023-11-23 22:38:20,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2023-11-23 22:38:20,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2023-11-23 22:38:20,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:20,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2023-11-23 22:38:20,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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) [2023-11-23 22:38:20,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:20,925 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 652 flow. Second operand 3 states and 1018 transitions. [2023-11-23 22:38:20,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 698 flow [2023-11-23 22:38:20,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 693 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:20,933 INFO L231 Difference]: Finished difference. Result has 306 places, 300 transitions, 641 flow [2023-11-23 22:38:20,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=306, PETRI_TRANSITIONS=300} [2023-11-23 22:38:20,936 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -56 predicate places. [2023-11-23 22:38:20,936 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 300 transitions, 641 flow [2023-11-23 22:38:20,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-23 22:38:20,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:20,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:20,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 22:38:20,937 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:20,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash -411573279, now seen corresponding path program 1 times [2023-11-23 22:38:20,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:20,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360568113] [2023-11-23 22:38:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:21,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:21,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360568113] [2023-11-23 22:38:21,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360568113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:21,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:21,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:38:21,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115281689] [2023-11-23 22:38:21,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:21,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:38:21,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:21,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:38:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:38:22,124 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 393 [2023-11-23 22:38:22,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 300 transitions, 641 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2023-11-23 22:38:22,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:22,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 393 [2023-11-23 22:38:22,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:22,727 INFO L124 PetriNetUnfolderBase]: 278/1729 cut-off events. [2023-11-23 22:38:22,728 INFO L125 PetriNetUnfolderBase]: For 193/213 co-relation queries the response was YES. [2023-11-23 22:38:22,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2451 conditions, 1729 events. 278/1729 cut-off events. For 193/213 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 12365 event pairs, 37 based on Foata normal form. 0/1507 useless extension candidates. Maximal degree in co-relation 2383. Up to 139 conditions per place. [2023-11-23 22:38:22,747 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 54 selfloop transitions, 4 changer transitions 0/331 dead transitions. [2023-11-23 22:38:22,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 331 transitions, 875 flow [2023-11-23 22:38:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:38:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:38:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1982 transitions. [2023-11-23 22:38:22,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8405428329092451 [2023-11-23 22:38:22,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1982 transitions. [2023-11-23 22:38:22,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1982 transitions. [2023-11-23 22:38:22,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:22,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1982 transitions. [2023-11-23 22:38:22,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 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) [2023-11-23 22:38:22,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:22,770 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:22,770 INFO L175 Difference]: Start difference. First operand has 306 places, 300 transitions, 641 flow. Second operand 6 states and 1982 transitions. [2023-11-23 22:38:22,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 331 transitions, 875 flow [2023-11-23 22:38:22,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:22,779 INFO L231 Difference]: Finished difference. Result has 305 places, 299 transitions, 643 flow [2023-11-23 22:38:22,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=643, PETRI_PLACES=305, PETRI_TRANSITIONS=299} [2023-11-23 22:38:22,780 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -57 predicate places. [2023-11-23 22:38:22,780 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 299 transitions, 643 flow [2023-11-23 22:38:22,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2023-11-23 22:38:22,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:22,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:22,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 22:38:22,782 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:22,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:22,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1348333647, now seen corresponding path program 1 times [2023-11-23 22:38:22,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:22,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270180267] [2023-11-23 22:38:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:23,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270180267] [2023-11-23 22:38:23,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270180267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:23,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:23,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:38:23,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009599538] [2023-11-23 22:38:23,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:23,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 22:38:23,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:23,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:38:23,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:38:23,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 393 [2023-11-23 22:38:23,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 299 transitions, 643 flow. Second operand has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2023-11-23 22:38:23,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:23,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 393 [2023-11-23 22:38:23,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:23,915 INFO L124 PetriNetUnfolderBase]: 91/1251 cut-off events. [2023-11-23 22:38:23,915 INFO L125 PetriNetUnfolderBase]: For 77/83 co-relation queries the response was YES. [2023-11-23 22:38:23,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 1251 events. 91/1251 cut-off events. For 77/83 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6628 event pairs, 19 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1477. Up to 65 conditions per place. [2023-11-23 22:38:23,950 INFO L140 encePairwiseOnDemand]: 379/393 looper letters, 43 selfloop transitions, 15 changer transitions 0/323 dead transitions. [2023-11-23 22:38:23,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 323 transitions, 833 flow [2023-11-23 22:38:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 22:38:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-23 22:38:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3232 transitions. [2023-11-23 22:38:23,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8223918575063613 [2023-11-23 22:38:23,961 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3232 transitions. [2023-11-23 22:38:23,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3232 transitions. [2023-11-23 22:38:23,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:23,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3232 transitions. [2023-11-23 22:38:23,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 323.2) internal successors, (3232), 10 states have internal predecessors, (3232), 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) [2023-11-23 22:38:23,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 393.0) internal successors, (4323), 11 states have internal predecessors, (4323), 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) [2023-11-23 22:38:23,985 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 393.0) internal successors, (4323), 11 states have internal predecessors, (4323), 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) [2023-11-23 22:38:23,986 INFO L175 Difference]: Start difference. First operand has 305 places, 299 transitions, 643 flow. Second operand 10 states and 3232 transitions. [2023-11-23 22:38:23,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 323 transitions, 833 flow [2023-11-23 22:38:23,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 323 transitions, 826 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:38:23,995 INFO L231 Difference]: Finished difference. Result has 314 places, 306 transitions, 710 flow [2023-11-23 22:38:23,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=710, PETRI_PLACES=314, PETRI_TRANSITIONS=306} [2023-11-23 22:38:23,996 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -48 predicate places. [2023-11-23 22:38:23,997 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 306 transitions, 710 flow [2023-11-23 22:38:23,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2023-11-23 22:38:23,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:23,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:23,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 22:38:23,999 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:23,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1280942063, now seen corresponding path program 1 times [2023-11-23 22:38:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:24,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035558142] [2023-11-23 22:38:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:24,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:24,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035558142] [2023-11-23 22:38:24,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035558142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:24,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:24,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:24,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831619063] [2023-11-23 22:38:24,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:24,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:24,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:24,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:24,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:24,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 393 [2023-11-23 22:38:24,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 306 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-23 22:38:24,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:24,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 393 [2023-11-23 22:38:24,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:24,456 INFO L124 PetriNetUnfolderBase]: 119/1479 cut-off events. [2023-11-23 22:38:24,456 INFO L125 PetriNetUnfolderBase]: For 161/175 co-relation queries the response was YES. [2023-11-23 22:38:24,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1925 conditions, 1479 events. 119/1479 cut-off events. For 161/175 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8603 event pairs, 29 based on Foata normal form. 0/1327 useless extension candidates. Maximal degree in co-relation 1850. Up to 132 conditions per place. [2023-11-23 22:38:24,475 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 18 selfloop transitions, 3 changer transitions 0/309 dead transitions. [2023-11-23 22:38:24,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 768 flow [2023-11-23 22:38:24,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1024 transitions. [2023-11-23 22:38:24,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8685326547921968 [2023-11-23 22:38:24,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1024 transitions. [2023-11-23 22:38:24,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1024 transitions. [2023-11-23 22:38:24,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:24,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1024 transitions. [2023-11-23 22:38:24,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2023-11-23 22:38:24,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:24,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:24,488 INFO L175 Difference]: Start difference. First operand has 314 places, 306 transitions, 710 flow. Second operand 3 states and 1024 transitions. [2023-11-23 22:38:24,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 768 flow [2023-11-23 22:38:24,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 309 transitions, 761 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:24,501 INFO L231 Difference]: Finished difference. Result has 313 places, 305 transitions, 713 flow [2023-11-23 22:38:24,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=313, PETRI_TRANSITIONS=305} [2023-11-23 22:38:24,502 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-23 22:38:24,503 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 305 transitions, 713 flow [2023-11-23 22:38:24,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-23 22:38:24,503 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:24,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:24,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 22:38:24,504 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:24,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1279987757, now seen corresponding path program 1 times [2023-11-23 22:38:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:24,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517368598] [2023-11-23 22:38:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:24,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517368598] [2023-11-23 22:38:24,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517368598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:24,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:24,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:24,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657574200] [2023-11-23 22:38:24,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:24,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:24,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:24,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:24,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:24,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:24,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 305 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-23 22:38:24,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:24,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:24,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:24,952 INFO L124 PetriNetUnfolderBase]: 160/1188 cut-off events. [2023-11-23 22:38:24,953 INFO L125 PetriNetUnfolderBase]: For 254/288 co-relation queries the response was YES. [2023-11-23 22:38:24,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1833 conditions, 1188 events. 160/1188 cut-off events. For 254/288 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 7245 event pairs, 67 based on Foata normal form. 0/1093 useless extension candidates. Maximal degree in co-relation 1758. Up to 222 conditions per place. [2023-11-23 22:38:24,966 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 20 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2023-11-23 22:38:24,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 308 transitions, 772 flow [2023-11-23 22:38:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-23 22:38:24,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-23 22:38:24,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-23 22:38:24,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-23 22:38:24,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:24,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-23 22:38:24,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-23 22:38:24,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:24,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:24,980 INFO L175 Difference]: Start difference. First operand has 313 places, 305 transitions, 713 flow. Second operand 3 states and 1017 transitions. [2023-11-23 22:38:24,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 308 transitions, 772 flow [2023-11-23 22:38:24,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 765 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:24,989 INFO L231 Difference]: Finished difference. Result has 312 places, 304 transitions, 708 flow [2023-11-23 22:38:24,990 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=312, PETRI_TRANSITIONS=304} [2023-11-23 22:38:24,990 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -50 predicate places. [2023-11-23 22:38:24,991 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 304 transitions, 708 flow [2023-11-23 22:38:24,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-23 22:38:24,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:24,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:24,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-23 22:38:24,992 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:24,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:24,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1586864615, now seen corresponding path program 1 times [2023-11-23 22:38:24,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:24,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820979701] [2023-11-23 22:38:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:24,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:25,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:25,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820979701] [2023-11-23 22:38:25,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820979701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:25,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:25,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:25,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465165500] [2023-11-23 22:38:25,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:25,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:25,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:25,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:25,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:25,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-23 22:38:25,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 304 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-23 22:38:25,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:25,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-23 22:38:25,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:25,387 INFO L124 PetriNetUnfolderBase]: 112/1124 cut-off events. [2023-11-23 22:38:25,388 INFO L125 PetriNetUnfolderBase]: For 149/170 co-relation queries the response was YES. [2023-11-23 22:38:25,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1124 events. 112/1124 cut-off events. For 149/170 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6165 event pairs, 45 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 1562. Up to 168 conditions per place. [2023-11-23 22:38:25,400 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 22 selfloop transitions, 3 changer transitions 0/307 dead transitions. [2023-11-23 22:38:25,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 307 transitions, 773 flow [2023-11-23 22:38:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2023-11-23 22:38:25,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634435962680237 [2023-11-23 22:38:25,404 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2023-11-23 22:38:25,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2023-11-23 22:38:25,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:25,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2023-11-23 22:38:25,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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) [2023-11-23 22:38:25,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:25,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:25,412 INFO L175 Difference]: Start difference. First operand has 312 places, 304 transitions, 708 flow. Second operand 3 states and 1018 transitions. [2023-11-23 22:38:25,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 307 transitions, 773 flow [2023-11-23 22:38:25,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 307 transitions, 769 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:25,421 INFO L231 Difference]: Finished difference. Result has 311 places, 303 transitions, 708 flow [2023-11-23 22:38:25,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=311, PETRI_TRANSITIONS=303} [2023-11-23 22:38:25,423 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -51 predicate places. [2023-11-23 22:38:25,423 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 303 transitions, 708 flow [2023-11-23 22:38:25,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-23 22:38:25,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:25,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:25,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-23 22:38:25,424 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:25,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:25,425 INFO L85 PathProgramCache]: Analyzing trace with hash 403335043, now seen corresponding path program 1 times [2023-11-23 22:38:25,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:25,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475562562] [2023-11-23 22:38:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:25,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:38:26,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:26,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475562562] [2023-11-23 22:38:26,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475562562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:26,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:26,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:38:26,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541771204] [2023-11-23 22:38:26,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:26,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:38:26,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:26,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:38:26,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:38:26,555 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 393 [2023-11-23 22:38:26,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 303 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2023-11-23 22:38:26,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:26,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 393 [2023-11-23 22:38:26,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:26,944 INFO L124 PetriNetUnfolderBase]: 113/1162 cut-off events. [2023-11-23 22:38:26,944 INFO L125 PetriNetUnfolderBase]: For 148/162 co-relation queries the response was YES. [2023-11-23 22:38:26,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 1162 events. 113/1162 cut-off events. For 148/162 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5932 event pairs, 24 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 1545. Up to 99 conditions per place. [2023-11-23 22:38:26,953 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 22 selfloop transitions, 0 changer transitions 27/318 dead transitions. [2023-11-23 22:38:26,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 318 transitions, 852 flow [2023-11-23 22:38:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:38:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:38:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1974 transitions. [2023-11-23 22:38:26,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8371501272264631 [2023-11-23 22:38:26,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1974 transitions. [2023-11-23 22:38:26,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1974 transitions. [2023-11-23 22:38:26,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:26,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1974 transitions. [2023-11-23 22:38:26,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 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) [2023-11-23 22:38:26,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:26,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:26,978 INFO L175 Difference]: Start difference. First operand has 311 places, 303 transitions, 708 flow. Second operand 6 states and 1974 transitions. [2023-11-23 22:38:26,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 318 transitions, 852 flow [2023-11-23 22:38:26,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 318 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:38:26,987 INFO L231 Difference]: Finished difference. Result has 313 places, 291 transitions, 667 flow [2023-11-23 22:38:26,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=313, PETRI_TRANSITIONS=291} [2023-11-23 22:38:26,988 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-23 22:38:26,988 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 291 transitions, 667 flow [2023-11-23 22:38:26,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2023-11-23 22:38:26,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:26,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:26,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-23 22:38:26,990 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:26,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1026092892, now seen corresponding path program 1 times [2023-11-23 22:38:26,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:26,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980869278] [2023-11-23 22:38:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:38:27,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:27,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980869278] [2023-11-23 22:38:27,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980869278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:27,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:27,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:38:27,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786430068] [2023-11-23 22:38:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:27,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:38:27,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:27,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:38:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:38:28,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 393 [2023-11-23 22:38:28,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 291 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 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) [2023-11-23 22:38:28,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:28,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 393 [2023-11-23 22:38:28,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:28,619 INFO L124 PetriNetUnfolderBase]: 168/1140 cut-off events. [2023-11-23 22:38:28,619 INFO L125 PetriNetUnfolderBase]: For 163/167 co-relation queries the response was YES. [2023-11-23 22:38:28,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1140 events. 168/1140 cut-off events. For 163/167 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6402 event pairs, 14 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1673. Up to 176 conditions per place. [2023-11-23 22:38:28,633 INFO L140 encePairwiseOnDemand]: 386/393 looper letters, 47 selfloop transitions, 6 changer transitions 0/309 dead transitions. [2023-11-23 22:38:28,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 309 transitions, 841 flow [2023-11-23 22:38:28,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:38:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:38:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1955 transitions. [2023-11-23 22:38:28,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8290924512298559 [2023-11-23 22:38:28,642 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1955 transitions. [2023-11-23 22:38:28,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1955 transitions. [2023-11-23 22:38:28,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:28,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1955 transitions. [2023-11-23 22:38:28,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 325.8333333333333) internal successors, (1955), 6 states have internal predecessors, (1955), 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) [2023-11-23 22:38:28,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:28,658 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-23 22:38:28,658 INFO L175 Difference]: Start difference. First operand has 313 places, 291 transitions, 667 flow. Second operand 6 states and 1955 transitions. [2023-11-23 22:38:28,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 309 transitions, 841 flow [2023-11-23 22:38:28,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 309 transitions, 826 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-23 22:38:28,668 INFO L231 Difference]: Finished difference. Result has 298 places, 289 transitions, 660 flow [2023-11-23 22:38:28,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=298, PETRI_TRANSITIONS=289} [2023-11-23 22:38:28,669 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -64 predicate places. [2023-11-23 22:38:28,670 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 289 transitions, 660 flow [2023-11-23 22:38:28,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 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) [2023-11-23 22:38:28,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:28,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:28,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-23 22:38:28,672 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:28,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:28,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1767164834, now seen corresponding path program 1 times [2023-11-23 22:38:28,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:28,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554660805] [2023-11-23 22:38:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:28,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:38:28,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:28,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554660805] [2023-11-23 22:38:28,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554660805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:28,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:28,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:28,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907381246] [2023-11-23 22:38:28,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:28,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:28,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 393 [2023-11-23 22:38:28,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 289 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-23 22:38:28,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:28,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 393 [2023-11-23 22:38:28,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:29,148 INFO L124 PetriNetUnfolderBase]: 113/1203 cut-off events. [2023-11-23 22:38:29,149 INFO L125 PetriNetUnfolderBase]: For 208/212 co-relation queries the response was YES. [2023-11-23 22:38:29,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1657 conditions, 1203 events. 113/1203 cut-off events. For 208/212 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6551 event pairs, 21 based on Foata normal form. 0/1147 useless extension candidates. Maximal degree in co-relation 1648. Up to 103 conditions per place. [2023-11-23 22:38:29,165 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 25 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-23 22:38:29,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 299 transitions, 759 flow [2023-11-23 22:38:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1028 transitions. [2023-11-23 22:38:29,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8719253604749788 [2023-11-23 22:38:29,172 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1028 transitions. [2023-11-23 22:38:29,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1028 transitions. [2023-11-23 22:38:29,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:29,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1028 transitions. [2023-11-23 22:38:29,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.6666666666667) internal successors, (1028), 3 states have internal predecessors, (1028), 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) [2023-11-23 22:38:29,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:29,180 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:29,180 INFO L175 Difference]: Start difference. First operand has 298 places, 289 transitions, 660 flow. Second operand 3 states and 1028 transitions. [2023-11-23 22:38:29,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 299 transitions, 759 flow [2023-11-23 22:38:29,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 299 transitions, 743 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:38:29,193 INFO L231 Difference]: Finished difference. Result has 295 places, 289 transitions, 656 flow [2023-11-23 22:38:29,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=295, PETRI_TRANSITIONS=289} [2023-11-23 22:38:29,195 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -67 predicate places. [2023-11-23 22:38:29,195 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 289 transitions, 656 flow [2023-11-23 22:38:29,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-23 22:38:29,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:38:29,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:29,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-23 22:38:29,197 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-23 22:38:29,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:38:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash 192633437, now seen corresponding path program 1 times [2023-11-23 22:38:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:38:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401666462] [2023-11-23 22:38:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:38:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:38:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:38:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:38:29,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:38:29,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401666462] [2023-11-23 22:38:29,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401666462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:38:29,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:38:29,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:38:29,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531468438] [2023-11-23 22:38:29,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:38:29,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:38:29,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:38:29,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:38:29,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:38:29,352 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-23 22:38:29,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 289 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 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) [2023-11-23 22:38:29,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:38:29,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-23 22:38:29,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:38:29,754 INFO L124 PetriNetUnfolderBase]: 153/1407 cut-off events. [2023-11-23 22:38:29,755 INFO L125 PetriNetUnfolderBase]: For 188/203 co-relation queries the response was YES. [2023-11-23 22:38:29,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 1407 events. 153/1407 cut-off events. For 188/203 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8409 event pairs, 60 based on Foata normal form. 1/1332 useless extension candidates. Maximal degree in co-relation 1947. Up to 175 conditions per place. [2023-11-23 22:38:29,768 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 0 selfloop transitions, 0 changer transitions 293/293 dead transitions. [2023-11-23 22:38:29,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 293 transitions, 720 flow [2023-11-23 22:38:29,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:38:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:38:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1021 transitions. [2023-11-23 22:38:29,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8659881255301103 [2023-11-23 22:38:29,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1021 transitions. [2023-11-23 22:38:29,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1021 transitions. [2023-11-23 22:38:29,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:38:29,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1021 transitions. [2023-11-23 22:38:29,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-23 22:38:29,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:29,782 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-23 22:38:29,782 INFO L175 Difference]: Start difference. First operand has 295 places, 289 transitions, 656 flow. Second operand 3 states and 1021 transitions. [2023-11-23 22:38:29,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 293 transitions, 720 flow [2023-11-23 22:38:29,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 718 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:38:29,789 INFO L231 Difference]: Finished difference. Result has 295 places, 0 transitions, 0 flow [2023-11-23 22:38:29,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=295, PETRI_TRANSITIONS=0} [2023-11-23 22:38:29,790 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -67 predicate places. [2023-11-23 22:38:29,791 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 0 transitions, 0 flow [2023-11-23 22:38:29,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 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) [2023-11-23 22:38:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-11-23 22:38:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-11-23 22:38:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-11-23 22:38:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-11-23 22:38:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-11-23 22:38:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-11-23 22:38:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-11-23 22:38:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-11-23 22:38:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-11-23 22:38:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-11-23 22:38:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-11-23 22:38:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-11-23 22:38:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-11-23 22:38:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-11-23 22:38:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-11-23 22:38:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-11-23 22:38:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-11-23 22:38:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-11-23 22:38:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-11-23 22:38:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-11-23 22:38:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-11-23 22:38:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-11-23 22:38:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-11-23 22:38:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-11-23 22:38:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-11-23 22:38:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-11-23 22:38:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-11-23 22:38:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-11-23 22:38:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-11-23 22:38:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-11-23 22:38:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-11-23 22:38:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-11-23 22:38:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-11-23 22:38:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-11-23 22:38:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-11-23 22:38:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-11-23 22:38:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-11-23 22:38:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-11-23 22:38:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-11-23 22:38:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-11-23 22:38:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-11-23 22:38:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-11-23 22:38:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-11-23 22:38:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-11-23 22:38:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-11-23 22:38:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-11-23 22:38:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-11-23 22:38:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-11-23 22:38:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-11-23 22:38:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-11-23 22:38:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-11-23 22:38:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-11-23 22:38:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-11-23 22:38:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-11-23 22:38:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-11-23 22:38:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-11-23 22:38:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-11-23 22:38:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-11-23 22:38:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-11-23 22:38:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-11-23 22:38:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-11-23 22:38:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-11-23 22:38:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-11-23 22:38:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-11-23 22:38:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-11-23 22:38:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-11-23 22:38:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-11-23 22:38:29,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-11-23 22:38:29,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-11-23 22:38:29,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2023-11-23 22:38:29,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2023-11-23 22:38:29,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-11-23 22:38:29,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-11-23 22:38:29,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-11-23 22:38:29,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-11-23 22:38:29,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-11-23 22:38:29,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-11-23 22:38:29,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-11-23 22:38:29,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-11-23 22:38:29,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-11-23 22:38:29,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-11-23 22:38:29,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-11-23 22:38:29,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-11-23 22:38:29,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-11-23 22:38:29,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-11-23 22:38:29,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-11-23 22:38:29,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-11-23 22:38:29,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-11-23 22:38:29,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-11-23 22:38:29,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-11-23 22:38:29,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-11-23 22:38:29,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-11-23 22:38:29,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-11-23 22:38:29,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-11-23 22:38:29,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2023-11-23 22:38:29,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2023-11-23 22:38:29,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-11-23 22:38:29,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-11-23 22:38:29,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-11-23 22:38:29,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-11-23 22:38:29,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-11-23 22:38:29,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-11-23 22:38:29,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-11-23 22:38:29,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-11-23 22:38:29,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-11-23 22:38:29,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-11-23 22:38:29,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-11-23 22:38:29,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-11-23 22:38:29,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-11-23 22:38:29,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-11-23 22:38:29,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-11-23 22:38:29,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-11-23 22:38:29,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-11-23 22:38:29,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-11-23 22:38:29,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-11-23 22:38:29,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-11-23 22:38:29,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-11-23 22:38:29,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-11-23 22:38:29,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-11-23 22:38:29,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-23 22:38:29,824 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:38:29,833 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:38:29,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:38:29,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:38:29 BasicIcfg [2023-11-23 22:38:29,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:38:29,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:38:29,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:38:29,845 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:38:29,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:38:12" (3/4) ... [2023-11-23 22:38:29,847 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:38:29,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 22:38:29,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 22:38:29,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 22:38:29,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 22:38:29,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:38:29,872 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:38:30,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:38:30,037 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:38:30,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:38:30,038 INFO L158 Benchmark]: Toolchain (without parser) took 19898.27ms. Allocated memory was 186.6MB in the beginning and 463.5MB in the end (delta: 276.8MB). Free memory was 141.2MB in the beginning and 288.0MB in the end (delta: -146.9MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,038 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 186.6MB. Free memory is still 160.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:38:30,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.58ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 127.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.61ms. Allocated memory is still 186.6MB. Free memory was 127.7MB in the beginning and 124.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,039 INFO L158 Benchmark]: Boogie Preprocessor took 83.04ms. Allocated memory is still 186.6MB. Free memory was 124.0MB in the beginning and 121.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,040 INFO L158 Benchmark]: RCFGBuilder took 1522.03ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 121.4MB in the end (delta: -243.8kB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,040 INFO L158 Benchmark]: TraceAbstraction took 17690.22ms. Allocated memory was 186.6MB in the beginning and 463.5MB in the end (delta: 276.8MB). Free memory was 120.4MB in the beginning and 294.3MB in the end (delta: -174.0MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,041 INFO L158 Benchmark]: Witness Printer took 192.67ms. Allocated memory is still 463.5MB. Free memory was 294.3MB in the beginning and 288.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:38:30,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 186.6MB. Free memory is still 160.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.58ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 127.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.61ms. Allocated memory is still 186.6MB. Free memory was 127.7MB in the beginning and 124.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.04ms. Allocated memory is still 186.6MB. Free memory was 124.0MB in the beginning and 121.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1522.03ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 121.4MB in the end (delta: -243.8kB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17690.22ms. Allocated memory was 186.6MB in the beginning and 463.5MB in the end (delta: 276.8MB). Free memory was 120.4MB in the beginning and 294.3MB in the end (delta: -174.0MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. * Witness Printer took 192.67ms. Allocated memory is still 463.5MB. Free memory was 294.3MB in the beginning and 288.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 97]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 500 locations, 119 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: 17.4s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1476 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 788 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 296 mSDsCounter, 399 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2767 IncrementalHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 399 mSolverCounterUnsat, 247 mSDtfsCounter, 2767 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=0, InterpolantAutomatonStates: 103, 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, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3418 NumberOfCodeBlocks, 3418 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3391 ConstructedInterpolants, 0 QuantifiedInterpolants, 4499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 3/3 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:38:30,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944ff76a-211f-4a92-a418-51e58c0aa1b2/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE