./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx --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 fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:15,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:16,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:22:16,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:16,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:16,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:16,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:16,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:16,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:16,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:16,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:16,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:16,105 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:16,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:16,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:16,107 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:16,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:16,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:16,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:16,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:16,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:16,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:16,110 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:22:16,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:22:16,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:16,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:16,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:16,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:16,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:16,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:16,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:16,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:16,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:16,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:16,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:16,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:16,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:16,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:16,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:16,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:16,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:16,119 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_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 [2023-11-21 22:22:16,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:16,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:16,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:16,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:16,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:16,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-21 22:22:19,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:19,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:19,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-11-21 22:22:19,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/data/16b9dbd70/3aed452175ff4a0c9cf9b291f4a74b94/FLAGe06af8cf5 [2023-11-21 22:22:19,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/data/16b9dbd70/3aed452175ff4a0c9cf9b291f4a74b94 [2023-11-21 22:22:19,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:19,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:19,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:19,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:19,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:19,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:19" (1/1) ... [2023-11-21 22:22:19,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f7aef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:19, skipping insertion in model container [2023-11-21 22:22:19,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:19" (1/1) ... [2023-11-21 22:22:19,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:20,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:20,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:20,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:20,261 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:22:20,262 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:22:20,270 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:20,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20 WrapperNode [2023-11-21 22:22:20,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:20,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:20,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:20,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:20,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,373 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 381 [2023-11-21 22:22:20,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:20,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:20,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:20,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:20,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:20,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:20,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:20,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:20,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (1/1) ... [2023-11-21 22:22:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:20,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:20,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:22:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:22:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:22:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:22:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:22:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:22:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:22:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:22:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:22:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:22:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:22:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:22:20,573 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:22:20,796 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:20,798 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:21,610 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:22,576 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:22,576 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:22:22,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:22 BoogieIcfgContainer [2023-11-21 22:22:22,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:22,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:22,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:22,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:22,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:19" (1/3) ... [2023-11-21 22:22:22,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f95181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:22, skipping insertion in model container [2023-11-21 22:22:22,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:20" (2/3) ... [2023-11-21 22:22:22,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f95181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:22, skipping insertion in model container [2023-11-21 22:22:22,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:22" (3/3) ... [2023-11-21 22:22:22,626 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2023-11-21 22:22:22,636 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:22:22,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:22,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2023-11-21 22:22:22,649 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:22:22,803 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 22:22:22,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 282 transitions, 578 flow [2023-11-21 22:22:23,003 INFO L124 PetriNetUnfolderBase]: 13/280 cut-off events. [2023-11-21 22:22:23,003 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:22:23,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 280 events. 13/280 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 448 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 203. Up to 2 conditions per place. [2023-11-21 22:22:23,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 276 places, 282 transitions, 578 flow [2023-11-21 22:22:23,025 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 254 places, 259 transitions, 530 flow [2023-11-21 22:22:23,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:23,048 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;@692d7af8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:23,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2023-11-21 22:22:23,053 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:22:23,054 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-21 22:22:23,054 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:22:23,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:23,055 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:23,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:23,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1084712688, now seen corresponding path program 1 times [2023-11-21 22:22:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612042888] [2023-11-21 22:22:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:23,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:23,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612042888] [2023-11-21 22:22:23,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612042888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:23,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:23,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:23,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524162788] [2023-11-21 22:22:23,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:23,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:23,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:23,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 282 [2023-11-21 22:22:23,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 259 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:23,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 282 [2023-11-21 22:22:23,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:23,604 INFO L124 PetriNetUnfolderBase]: 15/275 cut-off events. [2023-11-21 22:22:23,604 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2023-11-21 22:22:23,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 275 events. 15/275 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 458 event pairs, 8 based on Foata normal form. 6/252 useless extension candidates. Maximal degree in co-relation 183. Up to 31 conditions per place. [2023-11-21 22:22:23,611 INFO L140 encePairwiseOnDemand]: 231/282 looper letters, 11 selfloop transitions, 2 changer transitions 4/210 dead transitions. [2023-11-21 22:22:23,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 210 transitions, 458 flow [2023-11-21 22:22:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-21 22:22:23,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8427895981087471 [2023-11-21 22:22:23,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-21 22:22:23,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-21 22:22:23,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:23,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-21 22:22:23,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,672 INFO L175 Difference]: Start difference. First operand has 254 places, 259 transitions, 530 flow. Second operand 3 states and 713 transitions. [2023-11-21 22:22:23,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 210 transitions, 458 flow [2023-11-21 22:22:23,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 210 transitions, 450 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:22:23,693 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 420 flow [2023-11-21 22:22:23,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2023-11-21 22:22:23,699 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -43 predicate places. [2023-11-21 22:22:23,700 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 420 flow [2023-11-21 22:22:23,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:23,702 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] [2023-11-21 22:22:23,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:23,703 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:23,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:23,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2144504468, now seen corresponding path program 1 times [2023-11-21 22:22:23,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:23,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821039665] [2023-11-21 22:22:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:23,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:23,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821039665] [2023-11-21 22:22:23,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821039665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:23,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:23,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:23,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179857765] [2023-11-21 22:22:23,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:23,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:23,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:23,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 282 [2023-11-21 22:22:23,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:23,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:23,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 282 [2023-11-21 22:22:23,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:24,038 INFO L124 PetriNetUnfolderBase]: 13/250 cut-off events. [2023-11-21 22:22:24,039 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:24,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 250 events. 13/250 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 316 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 252. Up to 23 conditions per place. [2023-11-21 22:22:24,043 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 10 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2023-11-21 22:22:24,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 205 transitions, 442 flow [2023-11-21 22:22:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 667 transitions. [2023-11-21 22:22:24,049 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7884160756501182 [2023-11-21 22:22:24,049 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:24,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,073 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 420 flow. Second operand 3 states and 667 transitions. [2023-11-21 22:22:24,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 205 transitions, 442 flow [2023-11-21 22:22:24,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 205 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:22:24,090 INFO L231 Difference]: Finished difference. Result has 206 places, 205 transitions, 418 flow [2023-11-21 22:22:24,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=206, PETRI_TRANSITIONS=205} [2023-11-21 22:22:24,092 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -48 predicate places. [2023-11-21 22:22:24,092 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 205 transitions, 418 flow [2023-11-21 22:22:24,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:24,095 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] [2023-11-21 22:22:24,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:22:24,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:24,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1776136406, now seen corresponding path program 1 times [2023-11-21 22:22:24,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:24,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184196381] [2023-11-21 22:22:24,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:24,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184196381] [2023-11-21 22:22:24,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184196381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:24,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:24,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:24,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750454406] [2023-11-21 22:22:24,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:24,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:24,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:24,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:24,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:24,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 282 [2023-11-21 22:22:24,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 205 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:24,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 282 [2023-11-21 22:22:24,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:24,391 INFO L124 PetriNetUnfolderBase]: 13/249 cut-off events. [2023-11-21 22:22:24,392 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:24,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 249 events. 13/249 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 317 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 243. Up to 23 conditions per place. [2023-11-21 22:22:24,394 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 10 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2023-11-21 22:22:24,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 204 transitions, 440 flow [2023-11-21 22:22:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 667 transitions. [2023-11-21 22:22:24,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7884160756501182 [2023-11-21 22:22:24,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:24,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 667 transitions. [2023-11-21 22:22:24,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,405 INFO L175 Difference]: Start difference. First operand has 206 places, 205 transitions, 418 flow. Second operand 3 states and 667 transitions. [2023-11-21 22:22:24,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 204 transitions, 440 flow [2023-11-21 22:22:24,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 204 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:22:24,411 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 416 flow [2023-11-21 22:22:24,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2023-11-21 22:22:24,412 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -49 predicate places. [2023-11-21 22:22:24,412 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 416 flow [2023-11-21 22:22:24,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:24,414 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] [2023-11-21 22:22:24,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:22:24,414 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:24,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:24,415 INFO L85 PathProgramCache]: Analyzing trace with hash 315546329, now seen corresponding path program 1 times [2023-11-21 22:22:24,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:24,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586654633] [2023-11-21 22:22:24,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:24,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:24,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586654633] [2023-11-21 22:22:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586654633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:24,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706454084] [2023-11-21 22:22:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:24,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:24,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 282 [2023-11-21 22:22:24,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:24,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 282 [2023-11-21 22:22:24,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:24,583 INFO L124 PetriNetUnfolderBase]: 13/248 cut-off events. [2023-11-21 22:22:24,583 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:24,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 248 events. 13/248 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 318 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 231. Up to 20 conditions per place. [2023-11-21 22:22:24,585 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 8 selfloop transitions, 1 changer transitions 0/203 dead transitions. [2023-11-21 22:22:24,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 203 transitions, 432 flow [2023-11-21 22:22:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:24,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2023-11-21 22:22:24,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7990543735224587 [2023-11-21 22:22:24,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2023-11-21 22:22:24,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2023-11-21 22:22:24,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:24,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2023-11-21 22:22:24,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,596 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 416 flow. Second operand 3 states and 676 transitions. [2023-11-21 22:22:24,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 203 transitions, 432 flow [2023-11-21 22:22:24,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 203 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:22:24,601 INFO L231 Difference]: Finished difference. Result has 204 places, 203 transitions, 412 flow [2023-11-21 22:22:24,602 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=204, PETRI_TRANSITIONS=203} [2023-11-21 22:22:24,603 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -50 predicate places. [2023-11-21 22:22:24,603 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 203 transitions, 412 flow [2023-11-21 22:22:24,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:24,604 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] [2023-11-21 22:22:24,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:22:24,605 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:24,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:24,605 INFO L85 PathProgramCache]: Analyzing trace with hash -693483028, now seen corresponding path program 1 times [2023-11-21 22:22:24,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:24,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932230741] [2023-11-21 22:22:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:24,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:24,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:24,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932230741] [2023-11-21 22:22:24,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932230741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:24,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:24,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:24,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985213413] [2023-11-21 22:22:24,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:24,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:24,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:24,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:24,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 282 [2023-11-21 22:22:24,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 203 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:24,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 282 [2023-11-21 22:22:24,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:24,908 INFO L124 PetriNetUnfolderBase]: 13/247 cut-off events. [2023-11-21 22:22:24,908 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:24,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 247 events. 13/247 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 314 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 231. Up to 22 conditions per place. [2023-11-21 22:22:24,910 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 9 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2023-11-21 22:22:24,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 202 transitions, 432 flow [2023-11-21 22:22:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2023-11-21 22:22:24,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7907801418439716 [2023-11-21 22:22:24,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 669 transitions. [2023-11-21 22:22:24,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 669 transitions. [2023-11-21 22:22:24,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:24,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 669 transitions. [2023-11-21 22:22:24,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,921 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,922 INFO L175 Difference]: Start difference. First operand has 204 places, 203 transitions, 412 flow. Second operand 3 states and 669 transitions. [2023-11-21 22:22:24,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 202 transitions, 432 flow [2023-11-21 22:22:24,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 431 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:22:24,927 INFO L231 Difference]: Finished difference. Result has 204 places, 202 transitions, 413 flow [2023-11-21 22:22:24,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=413, PETRI_PLACES=204, PETRI_TRANSITIONS=202} [2023-11-21 22:22:24,929 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -50 predicate places. [2023-11-21 22:22:24,929 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 202 transitions, 413 flow [2023-11-21 22:22:24,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:24,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:24,930 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] [2023-11-21 22:22:24,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:22:24,931 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:24,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:24,931 INFO L85 PathProgramCache]: Analyzing trace with hash -431706418, now seen corresponding path program 1 times [2023-11-21 22:22:24,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:24,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085095311] [2023-11-21 22:22:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:25,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085095311] [2023-11-21 22:22:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085095311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:22:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597065590] [2023-11-21 22:22:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:25,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:22:25,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:25,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:25,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:25,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 282 [2023-11-21 22:22:25,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 202 transitions, 413 flow. Second operand has 6 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:25,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:25,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 282 [2023-11-21 22:22:25,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:26,254 INFO L124 PetriNetUnfolderBase]: 39/297 cut-off events. [2023-11-21 22:22:26,254 INFO L125 PetriNetUnfolderBase]: For 5/12 co-relation queries the response was YES. [2023-11-21 22:22:26,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 297 events. 39/297 cut-off events. For 5/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 668 event pairs, 23 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 355. Up to 85 conditions per place. [2023-11-21 22:22:26,259 INFO L140 encePairwiseOnDemand]: 270/282 looper letters, 30 selfloop transitions, 10 changer transitions 0/200 dead transitions. [2023-11-21 22:22:26,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 200 transitions, 489 flow [2023-11-21 22:22:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:22:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:22:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1182 transitions. [2023-11-21 22:22:26,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6985815602836879 [2023-11-21 22:22:26,264 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1182 transitions. [2023-11-21 22:22:26,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1182 transitions. [2023-11-21 22:22:26,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:26,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1182 transitions. [2023-11-21 22:22:26,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:26,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:26,276 INFO L175 Difference]: Start difference. First operand has 204 places, 202 transitions, 413 flow. Second operand 6 states and 1182 transitions. [2023-11-21 22:22:26,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 200 transitions, 489 flow [2023-11-21 22:22:26,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 200 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:22:26,282 INFO L231 Difference]: Finished difference. Result has 205 places, 200 transitions, 425 flow [2023-11-21 22:22:26,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=425, PETRI_PLACES=205, PETRI_TRANSITIONS=200} [2023-11-21 22:22:26,285 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -49 predicate places. [2023-11-21 22:22:26,286 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 200 transitions, 425 flow [2023-11-21 22:22:26,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:26,287 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] [2023-11-21 22:22:26,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:22:26,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:26,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2052484742, now seen corresponding path program 1 times [2023-11-21 22:22:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:26,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899213759] [2023-11-21 22:22:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:26,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:26,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:26,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899213759] [2023-11-21 22:22:26,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899213759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:26,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:26,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751863814] [2023-11-21 22:22:26,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:26,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:26,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:26,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:26,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 282 [2023-11-21 22:22:26,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 200 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:26,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 282 [2023-11-21 22:22:26,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:26,423 INFO L124 PetriNetUnfolderBase]: 13/244 cut-off events. [2023-11-21 22:22:26,423 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:26,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 244 events. 13/244 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 303 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 249. Up to 20 conditions per place. [2023-11-21 22:22:26,425 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 8 selfloop transitions, 1 changer transitions 0/199 dead transitions. [2023-11-21 22:22:26,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 199 transitions, 441 flow [2023-11-21 22:22:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2023-11-21 22:22:26,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7990543735224587 [2023-11-21 22:22:26,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2023-11-21 22:22:26,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2023-11-21 22:22:26,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:26,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2023-11-21 22:22:26,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,436 INFO L175 Difference]: Start difference. First operand has 205 places, 200 transitions, 425 flow. Second operand 3 states and 676 transitions. [2023-11-21 22:22:26,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 199 transitions, 441 flow [2023-11-21 22:22:26,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 199 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:22:26,442 INFO L231 Difference]: Finished difference. Result has 201 places, 199 transitions, 405 flow [2023-11-21 22:22:26,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=201, PETRI_TRANSITIONS=199} [2023-11-21 22:22:26,444 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -53 predicate places. [2023-11-21 22:22:26,444 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 199 transitions, 405 flow [2023-11-21 22:22:26,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:26,445 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] [2023-11-21 22:22:26,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:22:26,446 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:26,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash 463569479, now seen corresponding path program 1 times [2023-11-21 22:22:26,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606514418] [2023-11-21 22:22:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:26,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:26,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:26,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606514418] [2023-11-21 22:22:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606514418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:26,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:26,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:26,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952001582] [2023-11-21 22:22:26,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:26,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:26,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:26,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:26,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:26,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 282 [2023-11-21 22:22:26,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 199 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:26,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 282 [2023-11-21 22:22:26,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:26,642 INFO L124 PetriNetUnfolderBase]: 13/243 cut-off events. [2023-11-21 22:22:26,642 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-21 22:22:26,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 243 events. 13/243 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 3 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 228. Up to 22 conditions per place. [2023-11-21 22:22:26,645 INFO L140 encePairwiseOnDemand]: 279/282 looper letters, 9 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2023-11-21 22:22:26,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 198 transitions, 425 flow [2023-11-21 22:22:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2023-11-21 22:22:26,648 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7907801418439716 [2023-11-21 22:22:26,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 669 transitions. [2023-11-21 22:22:26,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 669 transitions. [2023-11-21 22:22:26,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:26,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 669 transitions. [2023-11-21 22:22:26,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,658 INFO L175 Difference]: Start difference. First operand has 201 places, 199 transitions, 405 flow. Second operand 3 states and 669 transitions. [2023-11-21 22:22:26,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 198 transitions, 425 flow [2023-11-21 22:22:26,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 198 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:22:26,663 INFO L231 Difference]: Finished difference. Result has 201 places, 198 transitions, 406 flow [2023-11-21 22:22:26,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=201, PETRI_TRANSITIONS=198} [2023-11-21 22:22:26,667 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -53 predicate places. [2023-11-21 22:22:26,667 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 198 transitions, 406 flow [2023-11-21 22:22:26,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:26,668 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] [2023-11-21 22:22:26,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:22:26,669 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:26,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:26,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1267011244, now seen corresponding path program 1 times [2023-11-21 22:22:26,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:26,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610732188] [2023-11-21 22:22:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:26,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:26,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610732188] [2023-11-21 22:22:26,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610732188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:26,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:26,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:26,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3000176] [2023-11-21 22:22:26,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:26,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:26,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:26,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:26,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 282 [2023-11-21 22:22:26,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:26,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 282 [2023-11-21 22:22:26,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:26,861 INFO L124 PetriNetUnfolderBase]: 27/292 cut-off events. [2023-11-21 22:22:26,862 INFO L125 PetriNetUnfolderBase]: For 5/17 co-relation queries the response was YES. [2023-11-21 22:22:26,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 292 events. 27/292 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 640 event pairs, 9 based on Foata normal form. 1/276 useless extension candidates. Maximal degree in co-relation 309. Up to 48 conditions per place. [2023-11-21 22:22:26,864 INFO L140 encePairwiseOnDemand]: 278/282 looper letters, 12 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2023-11-21 22:22:26,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 199 transitions, 437 flow [2023-11-21 22:22:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2023-11-21 22:22:26,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7955082742316785 [2023-11-21 22:22:26,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2023-11-21 22:22:26,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2023-11-21 22:22:26,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:26,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2023-11-21 22:22:26,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,873 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,873 INFO L175 Difference]: Start difference. First operand has 201 places, 198 transitions, 406 flow. Second operand 3 states and 673 transitions. [2023-11-21 22:22:26,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 199 transitions, 437 flow [2023-11-21 22:22:26,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 199 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:22:26,879 INFO L231 Difference]: Finished difference. Result has 200 places, 198 transitions, 412 flow [2023-11-21 22:22:26,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=200, PETRI_TRANSITIONS=198} [2023-11-21 22:22:26,880 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -54 predicate places. [2023-11-21 22:22:26,880 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 198 transitions, 412 flow [2023-11-21 22:22:26,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:26,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:26,882 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] [2023-11-21 22:22:26,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:22:26,882 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:26,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:26,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1874369268, now seen corresponding path program 1 times [2023-11-21 22:22:26,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:26,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673506227] [2023-11-21 22:22:26,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:26,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:27,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:27,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673506227] [2023-11-21 22:22:27,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673506227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:27,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:27,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:22:27,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869573281] [2023-11-21 22:22:27,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:27,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:22:27,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:27,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:27,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:27,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 282 [2023-11-21 22:22:27,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 198 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:27,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:27,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 282 [2023-11-21 22:22:27,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:28,550 INFO L124 PetriNetUnfolderBase]: 44/292 cut-off events. [2023-11-21 22:22:28,550 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2023-11-21 22:22:28,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 292 events. 44/292 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 674 event pairs, 2 based on Foata normal form. 4/285 useless extension candidates. Maximal degree in co-relation 346. Up to 27 conditions per place. [2023-11-21 22:22:28,553 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 25 selfloop transitions, 4 changer transitions 0/205 dead transitions. [2023-11-21 22:22:28,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 205 transitions, 484 flow [2023-11-21 22:22:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:22:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:22:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2023-11-21 22:22:28,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7553191489361702 [2023-11-21 22:22:28,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2023-11-21 22:22:28,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2023-11-21 22:22:28,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:28,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2023-11-21 22:22:28,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:28,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:28,569 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:28,570 INFO L175 Difference]: Start difference. First operand has 200 places, 198 transitions, 412 flow. Second operand 6 states and 1278 transitions. [2023-11-21 22:22:28,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 205 transitions, 484 flow [2023-11-21 22:22:28,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 205 transitions, 484 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:22:28,575 INFO L231 Difference]: Finished difference. Result has 204 places, 197 transitions, 418 flow [2023-11-21 22:22:28,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=204, PETRI_TRANSITIONS=197} [2023-11-21 22:22:28,577 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -50 predicate places. [2023-11-21 22:22:28,577 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 197 transitions, 418 flow [2023-11-21 22:22:28,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:28,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:28,578 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] [2023-11-21 22:22:28,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:22:28,579 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:28,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:28,580 INFO L85 PathProgramCache]: Analyzing trace with hash 287497026, now seen corresponding path program 1 times [2023-11-21 22:22:28,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934568590] [2023-11-21 22:22:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:28,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:29,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:29,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934568590] [2023-11-21 22:22:29,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934568590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:29,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:29,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:22:29,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072905072] [2023-11-21 22:22:29,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:29,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:22:29,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:29,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:29,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 282 [2023-11-21 22:22:29,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 197 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 209.66666666666666) internal successors, (1258), 6 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:29,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:29,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 282 [2023-11-21 22:22:29,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:29,918 INFO L124 PetriNetUnfolderBase]: 26/260 cut-off events. [2023-11-21 22:22:29,918 INFO L125 PetriNetUnfolderBase]: For 4/11 co-relation queries the response was YES. [2023-11-21 22:22:29,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 260 events. 26/260 cut-off events. For 4/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 400 event pairs, 3 based on Foata normal form. 4/255 useless extension candidates. Maximal degree in co-relation 286. Up to 26 conditions per place. [2023-11-21 22:22:29,920 INFO L140 encePairwiseOnDemand]: 277/282 looper letters, 21 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2023-11-21 22:22:29,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 200 transitions, 474 flow [2023-11-21 22:22:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:22:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:22:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1274 transitions. [2023-11-21 22:22:29,927 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7529550827423168 [2023-11-21 22:22:29,927 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1274 transitions. [2023-11-21 22:22:29,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1274 transitions. [2023-11-21 22:22:29,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:29,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1274 transitions. [2023-11-21 22:22:29,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.33333333333334) internal successors, (1274), 6 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:29,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:29,939 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 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) [2023-11-21 22:22:29,940 INFO L175 Difference]: Start difference. First operand has 204 places, 197 transitions, 418 flow. Second operand 6 states and 1274 transitions. [2023-11-21 22:22:29,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 200 transitions, 474 flow [2023-11-21 22:22:29,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 200 transitions, 467 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:22:29,947 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 417 flow [2023-11-21 22:22:29,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=417, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2023-11-21 22:22:29,948 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -50 predicate places. [2023-11-21 22:22:29,948 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 417 flow [2023-11-21 22:22:29,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 209.66666666666666) internal successors, (1258), 6 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:29,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:22:29,950 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] [2023-11-21 22:22:29,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:22:29,950 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-11-21 22:22:29,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1002995432, now seen corresponding path program 1 times [2023-11-21 22:22:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399087715] [2023-11-21 22:22:29,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:30,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:30,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399087715] [2023-11-21 22:22:30,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399087715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:30,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:30,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:30,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446009537] [2023-11-21 22:22:30,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:30,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:30,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:30,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:30,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:30,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 282 [2023-11-21 22:22:30,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:30,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:22:30,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 282 [2023-11-21 22:22:30,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:22:30,153 INFO L124 PetriNetUnfolderBase]: 16/244 cut-off events. [2023-11-21 22:22:30,153 INFO L125 PetriNetUnfolderBase]: For 5/8 co-relation queries the response was YES. [2023-11-21 22:22:30,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 244 events. 16/244 cut-off events. For 5/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 322 event pairs, 3 based on Foata normal form. 1/236 useless extension candidates. Maximal degree in co-relation 270. Up to 18 conditions per place. [2023-11-21 22:22:30,154 INFO L140 encePairwiseOnDemand]: 280/282 looper letters, 0 selfloop transitions, 0 changer transitions 195/195 dead transitions. [2023-11-21 22:22:30,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 195 transitions, 429 flow [2023-11-21 22:22:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:22:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2023-11-21 22:22:30,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8002364066193853 [2023-11-21 22:22:30,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 677 transitions. [2023-11-21 22:22:30,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 677 transitions. [2023-11-21 22:22:30,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:30,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 677 transitions. [2023-11-21 22:22:30,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:30,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:30,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:30,165 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 417 flow. Second operand 3 states and 677 transitions. [2023-11-21 22:22:30,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 195 transitions, 429 flow [2023-11-21 22:22:30,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 195 transitions, 422 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:22:30,170 INFO L231 Difference]: Finished difference. Result has 201 places, 0 transitions, 0 flow [2023-11-21 22:22:30,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=201, PETRI_TRANSITIONS=0} [2023-11-21 22:22:30,171 INFO L281 CegarLoopForPetriNet]: 254 programPoint places, -53 predicate places. [2023-11-21 22:22:30,171 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 0 transitions, 0 flow [2023-11-21 22:22:30,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:30,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (97 of 98 remaining) [2023-11-21 22:22:30,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (96 of 98 remaining) [2023-11-21 22:22:30,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (95 of 98 remaining) [2023-11-21 22:22:30,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (94 of 98 remaining) [2023-11-21 22:22:30,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (93 of 98 remaining) [2023-11-21 22:22:30,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (92 of 98 remaining) [2023-11-21 22:22:30,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (91 of 98 remaining) [2023-11-21 22:22:30,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (90 of 98 remaining) [2023-11-21 22:22:30,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (89 of 98 remaining) [2023-11-21 22:22:30,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (88 of 98 remaining) [2023-11-21 22:22:30,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (87 of 98 remaining) [2023-11-21 22:22:30,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (86 of 98 remaining) [2023-11-21 22:22:30,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (85 of 98 remaining) [2023-11-21 22:22:30,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (84 of 98 remaining) [2023-11-21 22:22:30,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (83 of 98 remaining) [2023-11-21 22:22:30,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (82 of 98 remaining) [2023-11-21 22:22:30,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (81 of 98 remaining) [2023-11-21 22:22:30,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (80 of 98 remaining) [2023-11-21 22:22:30,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (79 of 98 remaining) [2023-11-21 22:22:30,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (78 of 98 remaining) [2023-11-21 22:22:30,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (77 of 98 remaining) [2023-11-21 22:22:30,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 98 remaining) [2023-11-21 22:22:30,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 98 remaining) [2023-11-21 22:22:30,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (74 of 98 remaining) [2023-11-21 22:22:30,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 98 remaining) [2023-11-21 22:22:30,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (72 of 98 remaining) [2023-11-21 22:22:30,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (71 of 98 remaining) [2023-11-21 22:22:30,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 98 remaining) [2023-11-21 22:22:30,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (69 of 98 remaining) [2023-11-21 22:22:30,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (68 of 98 remaining) [2023-11-21 22:22:30,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 98 remaining) [2023-11-21 22:22:30,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 98 remaining) [2023-11-21 22:22:30,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (65 of 98 remaining) [2023-11-21 22:22:30,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (64 of 98 remaining) [2023-11-21 22:22:30,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (63 of 98 remaining) [2023-11-21 22:22:30,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (62 of 98 remaining) [2023-11-21 22:22:30,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (61 of 98 remaining) [2023-11-21 22:22:30,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (60 of 98 remaining) [2023-11-21 22:22:30,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (59 of 98 remaining) [2023-11-21 22:22:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 98 remaining) [2023-11-21 22:22:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (57 of 98 remaining) [2023-11-21 22:22:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (56 of 98 remaining) [2023-11-21 22:22:30,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 98 remaining) [2023-11-21 22:22:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 98 remaining) [2023-11-21 22:22:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 98 remaining) [2023-11-21 22:22:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 98 remaining) [2023-11-21 22:22:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 98 remaining) [2023-11-21 22:22:30,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 98 remaining) [2023-11-21 22:22:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 98 remaining) [2023-11-21 22:22:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 98 remaining) [2023-11-21 22:22:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 98 remaining) [2023-11-21 22:22:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 98 remaining) [2023-11-21 22:22:30,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 98 remaining) [2023-11-21 22:22:30,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 98 remaining) [2023-11-21 22:22:30,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 98 remaining) [2023-11-21 22:22:30,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 98 remaining) [2023-11-21 22:22:30,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 98 remaining) [2023-11-21 22:22:30,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 98 remaining) [2023-11-21 22:22:30,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 98 remaining) [2023-11-21 22:22:30,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 98 remaining) [2023-11-21 22:22:30,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 98 remaining) [2023-11-21 22:22:30,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 98 remaining) [2023-11-21 22:22:30,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 98 remaining) [2023-11-21 22:22:30,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 98 remaining) [2023-11-21 22:22:30,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 98 remaining) [2023-11-21 22:22:30,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 98 remaining) [2023-11-21 22:22:30,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 98 remaining) [2023-11-21 22:22:30,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 98 remaining) [2023-11-21 22:22:30,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 98 remaining) [2023-11-21 22:22:30,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 98 remaining) [2023-11-21 22:22:30,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (27 of 98 remaining) [2023-11-21 22:22:30,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (26 of 98 remaining) [2023-11-21 22:22:30,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (25 of 98 remaining) [2023-11-21 22:22:30,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (24 of 98 remaining) [2023-11-21 22:22:30,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (23 of 98 remaining) [2023-11-21 22:22:30,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (22 of 98 remaining) [2023-11-21 22:22:30,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 98 remaining) [2023-11-21 22:22:30,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 98 remaining) [2023-11-21 22:22:30,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 98 remaining) [2023-11-21 22:22:30,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 98 remaining) [2023-11-21 22:22:30,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 98 remaining) [2023-11-21 22:22:30,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 98 remaining) [2023-11-21 22:22:30,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 98 remaining) [2023-11-21 22:22:30,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 98 remaining) [2023-11-21 22:22:30,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 98 remaining) [2023-11-21 22:22:30,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 98 remaining) [2023-11-21 22:22:30,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 98 remaining) [2023-11-21 22:22:30,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 98 remaining) [2023-11-21 22:22:30,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (9 of 98 remaining) [2023-11-21 22:22:30,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (8 of 98 remaining) [2023-11-21 22:22:30,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 98 remaining) [2023-11-21 22:22:30,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (6 of 98 remaining) [2023-11-21 22:22:30,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (5 of 98 remaining) [2023-11-21 22:22:30,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (4 of 98 remaining) [2023-11-21 22:22:30,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 98 remaining) [2023-11-21 22:22:30,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (2 of 98 remaining) [2023-11-21 22:22:30,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (1 of 98 remaining) [2023-11-21 22:22:30,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 98 remaining) [2023-11-21 22:22:30,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:22:30,202 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:30,211 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:22:30,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:30,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:30 BasicIcfg [2023-11-21 22:22:30,220 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:30,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:30,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:30,221 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:30,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:22" (3/4) ... [2023-11-21 22:22:30,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:22:30,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:22:30,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:22:30,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 22:22:30,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:22:30,237 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:22:30,238 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:22:30,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:22:30,373 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:22:30,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:30,374 INFO L158 Benchmark]: Toolchain (without parser) took 10589.77ms. Allocated memory was 157.3MB in the beginning and 337.6MB in the end (delta: 180.4MB). Free memory was 110.5MB in the beginning and 193.6MB in the end (delta: -83.0MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,374 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:30,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.65ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 97.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.87ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 93.8MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,375 INFO L158 Benchmark]: Boogie Preprocessor took 102.86ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 90.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,376 INFO L158 Benchmark]: RCFGBuilder took 2102.16ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 90.0MB in the beginning and 87.2MB in the end (delta: 2.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,376 INFO L158 Benchmark]: TraceAbstraction took 7602.44ms. Allocated memory was 207.6MB in the beginning and 337.6MB in the end (delta: 130.0MB). Free memory was 166.0MB in the beginning and 199.8MB in the end (delta: -33.9MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,377 INFO L158 Benchmark]: Witness Printer took 152.77ms. Allocated memory is still 337.6MB. Free memory was 199.8MB in the beginning and 193.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:22:30,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.65ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 97.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.87ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 93.8MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.86ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 90.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2102.16ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 90.0MB in the beginning and 87.2MB in the end (delta: 2.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7602.44ms. Allocated memory was 207.6MB in the beginning and 337.6MB in the end (delta: 130.0MB). Free memory was 166.0MB in the beginning and 199.8MB in the end (delta: -33.9MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Witness Printer took 152.77ms. Allocated memory is still 337.6MB. Free memory was 199.8MB in the beginning and 193.6MB 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: 47]: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 77]: 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: 99]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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, 340 locations, 98 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: 7.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 747 IncrementalHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 25 mSDtfsCounter, 747 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=530occurred in iteration=0, InterpolantAutomatonStates: 45, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 1279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:22:30,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd054216-d498-4f43-9bff-8a3355bb89c5/bin/uautomizer-verify-bycVGegfSx/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