./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme --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 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:30,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:30,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:56:30,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:30,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:30,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:30,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:30,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:30,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:30,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:30,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:30,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:30,964 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:30,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:30,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:56:30,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:30,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:30,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:30,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:30,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:56:30,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:30,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:56:30,970 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:56:30,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:30,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:30,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:30,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:30,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:30,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:30,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:30,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:30,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:30,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:30,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:56:30,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:30,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:30,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:30,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:30,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:56:30,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:30,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:30,977 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_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2023-11-26 11:56:31,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:31,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:31,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:31,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:31,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:31,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-26 11:56:34,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:34,820 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:34,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-26 11:56:34,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/data/4172f20ca/0898df69216f43b9839726e2ffd46d9c/FLAGb0333542a [2023-11-26 11:56:34,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/data/4172f20ca/0898df69216f43b9839726e2ffd46d9c [2023-11-26 11:56:34,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:34,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:34,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:34,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:34,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:34,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:34" (1/1) ... [2023-11-26 11:56:34,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f330a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:34, skipping insertion in model container [2023-11-26 11:56:34,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:34" (1/1) ... [2023-11-26 11:56:34,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:35,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:35,116 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:35,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:35,191 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:35,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35 WrapperNode [2023-11-26 11:56:35,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:35,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:35,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:35,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:35,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,272 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 490 [2023-11-26 11:56:35,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:35,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:35,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:35,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:35,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:35,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:35,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:35,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:35,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (1/1) ... [2023-11-26 11:56:35,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:35,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:35,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:35,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:56:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:56:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:56:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:56:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:56:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:56:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:56:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:56:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:35,462 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:56:35,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:35,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:36,633 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:36,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:36,670 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:56:36,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:36 BoogieIcfgContainer [2023-11-26 11:56:36,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:36,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:36,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:36,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:36,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:34" (1/3) ... [2023-11-26 11:56:36,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5725b9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:36, skipping insertion in model container [2023-11-26 11:56:36,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:35" (2/3) ... [2023-11-26 11:56:36,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5725b9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:36, skipping insertion in model container [2023-11-26 11:56:36,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:36" (3/3) ... [2023-11-26 11:56:36,686 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-11-26 11:56:36,696 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:56:36,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:36,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-11-26 11:56:36,705 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:56:36,922 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:56:36,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 621 places, 648 transitions, 1310 flow [2023-11-26 11:56:37,342 INFO L124 PetriNetUnfolderBase]: 34/646 cut-off events. [2023-11-26 11:56:37,342 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:56:37,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 646 events. 34/646 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1911 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 509. Up to 2 conditions per place. [2023-11-26 11:56:37,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 621 places, 648 transitions, 1310 flow [2023-11-26 11:56:37,376 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 599 places, 625 transitions, 1262 flow [2023-11-26 11:56:37,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:37,394 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;@18972d87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:37,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 164 error locations. [2023-11-26 11:56:37,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:56:37,399 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-26 11:56:37,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:56:37,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:37,400 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] [2023-11-26 11:56:37,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:37,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1463189518, now seen corresponding path program 1 times [2023-11-26 11:56:37,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:37,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583849930] [2023-11-26 11:56:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:37,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:37,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583849930] [2023-11-26 11:56:37,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583849930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:37,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:37,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862352723] [2023-11-26 11:56:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:37,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:37,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:37,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:37,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:37,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 648 [2023-11-26 11:56:37,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 625 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:37,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:37,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 648 [2023-11-26 11:56:37,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:38,178 INFO L124 PetriNetUnfolderBase]: 40/976 cut-off events. [2023-11-26 11:56:38,179 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2023-11-26 11:56:38,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 976 events. 40/976 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5080 event pairs, 11 based on Foata normal form. 25/815 useless extension candidates. Maximal degree in co-relation 851. Up to 42 conditions per place. [2023-11-26 11:56:38,199 INFO L140 encePairwiseOnDemand]: 629/648 looper letters, 13 selfloop transitions, 2 changer transitions 3/608 dead transitions. [2023-11-26 11:56:38,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 608 transitions, 1258 flow [2023-11-26 11:56:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1871 transitions. [2023-11-26 11:56:38,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9624485596707819 [2023-11-26 11:56:38,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1871 transitions. [2023-11-26 11:56:38,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1871 transitions. [2023-11-26 11:56:38,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:38,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1871 transitions. [2023-11-26 11:56:38,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 623.6666666666666) internal successors, (1871), 3 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,269 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,271 INFO L175 Difference]: Start difference. First operand has 599 places, 625 transitions, 1262 flow. Second operand 3 states and 1871 transitions. [2023-11-26 11:56:38,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 608 transitions, 1258 flow [2023-11-26 11:56:38,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 608 transitions, 1250 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:56:38,305 INFO L231 Difference]: Finished difference. Result has 596 places, 605 transitions, 1218 flow [2023-11-26 11:56:38,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1218, PETRI_PLACES=596, PETRI_TRANSITIONS=605} [2023-11-26 11:56:38,312 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -3 predicate places. [2023-11-26 11:56:38,313 INFO L495 AbstractCegarLoop]: Abstraction has has 596 places, 605 transitions, 1218 flow [2023-11-26 11:56:38,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:38,316 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] [2023-11-26 11:56:38,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:56:38,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:38,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:38,317 INFO L85 PathProgramCache]: Analyzing trace with hash -742630815, now seen corresponding path program 1 times [2023-11-26 11:56:38,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:38,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687575589] [2023-11-26 11:56:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:38,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:38,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:38,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687575589] [2023-11-26 11:56:38,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687575589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:38,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:38,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:38,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490224408] [2023-11-26 11:56:38,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:38,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:38,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:38,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:38,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:38,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 648 [2023-11-26 11:56:38,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 605 transitions, 1218 flow. Second operand has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:38,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 648 [2023-11-26 11:56:38,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:38,887 INFO L124 PetriNetUnfolderBase]: 50/1139 cut-off events. [2023-11-26 11:56:38,888 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-26 11:56:38,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 1139 events. 50/1139 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5768 event pairs, 19 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 1178. Up to 58 conditions per place. [2023-11-26 11:56:38,909 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 19 selfloop transitions, 2 changer transitions 0/604 dead transitions. [2023-11-26 11:56:38,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 604 transitions, 1258 flow [2023-11-26 11:56:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1843 transitions. [2023-11-26 11:56:38,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.948045267489712 [2023-11-26 11:56:38,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1843 transitions. [2023-11-26 11:56:38,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1843 transitions. [2023-11-26 11:56:38,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:38,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1843 transitions. [2023-11-26 11:56:38,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,936 INFO L175 Difference]: Start difference. First operand has 596 places, 605 transitions, 1218 flow. Second operand 3 states and 1843 transitions. [2023-11-26 11:56:38,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 604 transitions, 1258 flow [2023-11-26 11:56:38,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 604 transitions, 1254 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:38,951 INFO L231 Difference]: Finished difference. Result has 592 places, 604 transitions, 1216 flow [2023-11-26 11:56:38,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1212, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1216, PETRI_PLACES=592, PETRI_TRANSITIONS=604} [2023-11-26 11:56:38,957 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -7 predicate places. [2023-11-26 11:56:38,957 INFO L495 AbstractCegarLoop]: Abstraction has has 592 places, 604 transitions, 1216 flow [2023-11-26 11:56:38,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:38,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:38,961 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:38,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:56:38,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:38,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1851567496, now seen corresponding path program 1 times [2023-11-26 11:56:38,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:38,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233826003] [2023-11-26 11:56:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:39,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:39,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233826003] [2023-11-26 11:56:39,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233826003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:39,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:39,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:39,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659643001] [2023-11-26 11:56:39,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:39,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:39,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:39,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:39,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 648 [2023-11-26 11:56:39,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 604 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:39,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 648 [2023-11-26 11:56:39,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:39,807 INFO L124 PetriNetUnfolderBase]: 180/2512 cut-off events. [2023-11-26 11:56:39,808 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-26 11:56:39,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2719 conditions, 2512 events. 180/2512 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16880 event pairs, 56 based on Foata normal form. 0/2023 useless extension candidates. Maximal degree in co-relation 2683. Up to 197 conditions per place. [2023-11-26 11:56:39,852 INFO L140 encePairwiseOnDemand]: 635/648 looper letters, 28 selfloop transitions, 1 changer transitions 0/592 dead transitions. [2023-11-26 11:56:39,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 592 transitions, 1250 flow [2023-11-26 11:56:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1808 transitions. [2023-11-26 11:56:39,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9300411522633745 [2023-11-26 11:56:39,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1808 transitions. [2023-11-26 11:56:39,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1808 transitions. [2023-11-26 11:56:39,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:39,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1808 transitions. [2023-11-26 11:56:39,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.6666666666666) internal successors, (1808), 3 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,882 INFO L175 Difference]: Start difference. First operand has 592 places, 604 transitions, 1216 flow. Second operand 3 states and 1808 transitions. [2023-11-26 11:56:39,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 592 transitions, 1250 flow [2023-11-26 11:56:39,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 592 transitions, 1246 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:39,902 INFO L231 Difference]: Finished difference. Result has 580 places, 592 transitions, 1190 flow [2023-11-26 11:56:39,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1190, PETRI_PLACES=580, PETRI_TRANSITIONS=592} [2023-11-26 11:56:39,906 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -19 predicate places. [2023-11-26 11:56:39,906 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 592 transitions, 1190 flow [2023-11-26 11:56:39,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:39,908 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] [2023-11-26 11:56:39,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:56:39,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:39,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1964958513, now seen corresponding path program 1 times [2023-11-26 11:56:39,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:39,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720135809] [2023-11-26 11:56:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:40,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:40,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720135809] [2023-11-26 11:56:40,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720135809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:40,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:40,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:40,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257543051] [2023-11-26 11:56:40,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:40,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:40,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:40,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:40,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 609 out of 648 [2023-11-26 11:56:40,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 592 transitions, 1190 flow. Second operand has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:40,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:40,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 609 of 648 [2023-11-26 11:56:40,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:40,371 INFO L124 PetriNetUnfolderBase]: 50/1117 cut-off events. [2023-11-26 11:56:40,372 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-26 11:56:40,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1181 conditions, 1117 events. 50/1117 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5550 event pairs, 19 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 1145. Up to 56 conditions per place. [2023-11-26 11:56:40,393 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 17 selfloop transitions, 2 changer transitions 0/591 dead transitions. [2023-11-26 11:56:40,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 591 transitions, 1226 flow [2023-11-26 11:56:40,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1847 transitions. [2023-11-26 11:56:40,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9501028806584362 [2023-11-26 11:56:40,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1847 transitions. [2023-11-26 11:56:40,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1847 transitions. [2023-11-26 11:56:40,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:40,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1847 transitions. [2023-11-26 11:56:40,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 615.6666666666666) internal successors, (1847), 3 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:40,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:40,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:40,417 INFO L175 Difference]: Start difference. First operand has 580 places, 592 transitions, 1190 flow. Second operand 3 states and 1847 transitions. [2023-11-26 11:56:40,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 591 transitions, 1226 flow [2023-11-26 11:56:40,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 591 transitions, 1225 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:56:40,431 INFO L231 Difference]: Finished difference. Result has 580 places, 591 transitions, 1191 flow [2023-11-26 11:56:40,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1187, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1191, PETRI_PLACES=580, PETRI_TRANSITIONS=591} [2023-11-26 11:56:40,434 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -19 predicate places. [2023-11-26 11:56:40,435 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 591 transitions, 1191 flow [2023-11-26 11:56:40,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:40,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:40,437 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] [2023-11-26 11:56:40,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:56:40,437 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:40,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:40,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2141696887, now seen corresponding path program 1 times [2023-11-26 11:56:40,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:40,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937639413] [2023-11-26 11:56:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:40,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:41,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:41,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937639413] [2023-11-26 11:56:41,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937639413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:41,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:41,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:41,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649044163] [2023-11-26 11:56:41,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:41,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:41,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:41,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:41,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:41,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 648 [2023-11-26 11:56:41,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 591 transitions, 1191 flow. Second operand has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:41,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:41,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 648 [2023-11-26 11:56:41,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:45,151 INFO L124 PetriNetUnfolderBase]: 2428/16046 cut-off events. [2023-11-26 11:56:45,152 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-26 11:56:45,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19190 conditions, 16046 events. 2428/16046 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 177983 event pairs, 1640 based on Foata normal form. 0/13015 useless extension candidates. Maximal degree in co-relation 19155. Up to 3128 conditions per place. [2023-11-26 11:56:45,353 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 60 selfloop transitions, 5 changer transitions 0/590 dead transitions. [2023-11-26 11:56:45,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 590 transitions, 1319 flow [2023-11-26 11:56:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3450 transitions. [2023-11-26 11:56:45,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8873456790123457 [2023-11-26 11:56:45,365 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3450 transitions. [2023-11-26 11:56:45,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3450 transitions. [2023-11-26 11:56:45,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:45,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3450 transitions. [2023-11-26 11:56:45,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 575.0) internal successors, (3450), 6 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,396 INFO L175 Difference]: Start difference. First operand has 580 places, 591 transitions, 1191 flow. Second operand 6 states and 3450 transitions. [2023-11-26 11:56:45,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 590 transitions, 1319 flow [2023-11-26 11:56:45,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 590 transitions, 1315 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:45,410 INFO L231 Difference]: Finished difference. Result has 582 places, 590 transitions, 1195 flow [2023-11-26 11:56:45,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1185, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1195, PETRI_PLACES=582, PETRI_TRANSITIONS=590} [2023-11-26 11:56:45,412 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -17 predicate places. [2023-11-26 11:56:45,413 INFO L495 AbstractCegarLoop]: Abstraction has has 582 places, 590 transitions, 1195 flow [2023-11-26 11:56:45,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:45,416 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] [2023-11-26 11:56:45,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:56:45,417 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:45,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:45,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1857829656, now seen corresponding path program 1 times [2023-11-26 11:56:45,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:45,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946587510] [2023-11-26 11:56:45,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:45,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:45,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:45,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946587510] [2023-11-26 11:56:45,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946587510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:45,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:45,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:45,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988099440] [2023-11-26 11:56:45,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:45,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:45,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:45,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:45,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:45,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 648 [2023-11-26 11:56:45,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 590 transitions, 1195 flow. Second operand has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:45,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 648 [2023-11-26 11:56:45,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:45,864 INFO L124 PetriNetUnfolderBase]: 104/1973 cut-off events. [2023-11-26 11:56:45,864 INFO L125 PetriNetUnfolderBase]: For 12/27 co-relation queries the response was YES. [2023-11-26 11:56:45,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2082 conditions, 1973 events. 104/1973 cut-off events. For 12/27 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 12532 event pairs, 21 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2064. Up to 93 conditions per place. [2023-11-26 11:56:45,882 INFO L140 encePairwiseOnDemand]: 640/648 looper letters, 18 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2023-11-26 11:56:45,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 587 transitions, 1230 flow [2023-11-26 11:56:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1847 transitions. [2023-11-26 11:56:45,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9501028806584362 [2023-11-26 11:56:45,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1847 transitions. [2023-11-26 11:56:45,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1847 transitions. [2023-11-26 11:56:45,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:45,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1847 transitions. [2023-11-26 11:56:45,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 615.6666666666666) internal successors, (1847), 3 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,905 INFO L175 Difference]: Start difference. First operand has 582 places, 590 transitions, 1195 flow. Second operand 3 states and 1847 transitions. [2023-11-26 11:56:45,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 587 transitions, 1230 flow [2023-11-26 11:56:45,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 587 transitions, 1220 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:56:45,923 INFO L231 Difference]: Finished difference. Result has 574 places, 586 transitions, 1187 flow [2023-11-26 11:56:45,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1173, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1187, PETRI_PLACES=574, PETRI_TRANSITIONS=586} [2023-11-26 11:56:45,928 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -25 predicate places. [2023-11-26 11:56:45,929 INFO L495 AbstractCegarLoop]: Abstraction has has 574 places, 586 transitions, 1187 flow [2023-11-26 11:56:45,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:45,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:45,931 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] [2023-11-26 11:56:45,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:56:45,931 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:45,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:45,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1656168395, now seen corresponding path program 1 times [2023-11-26 11:56:45,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:45,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722817634] [2023-11-26 11:56:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:45,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:45,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722817634] [2023-11-26 11:56:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722817634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:45,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:45,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675169875] [2023-11-26 11:56:45,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:45,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:46,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:46,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:46,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:46,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 648 [2023-11-26 11:56:46,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 586 transitions, 1187 flow. Second operand has 3 states, 3 states have (on average 614.0) internal successors, (1842), 3 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:46,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 648 [2023-11-26 11:56:46,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:46,199 INFO L124 PetriNetUnfolderBase]: 44/1050 cut-off events. [2023-11-26 11:56:46,199 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-26 11:56:46,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 1050 events. 44/1050 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4807 event pairs, 1 based on Foata normal form. 1/881 useless extension candidates. Maximal degree in co-relation 1069. Up to 21 conditions per place. [2023-11-26 11:56:46,214 INFO L140 encePairwiseOnDemand]: 641/648 looper letters, 11 selfloop transitions, 3 changer transitions 0/583 dead transitions. [2023-11-26 11:56:46,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 583 transitions, 1210 flow [2023-11-26 11:56:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1857 transitions. [2023-11-26 11:56:46,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9552469135802469 [2023-11-26 11:56:46,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1857 transitions. [2023-11-26 11:56:46,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1857 transitions. [2023-11-26 11:56:46,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:46,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1857 transitions. [2023-11-26 11:56:46,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,236 INFO L175 Difference]: Start difference. First operand has 574 places, 586 transitions, 1187 flow. Second operand 3 states and 1857 transitions. [2023-11-26 11:56:46,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 583 transitions, 1210 flow [2023-11-26 11:56:46,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 583 transitions, 1210 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:46,250 INFO L231 Difference]: Finished difference. Result has 572 places, 582 transitions, 1185 flow [2023-11-26 11:56:46,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1179, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1185, PETRI_PLACES=572, PETRI_TRANSITIONS=582} [2023-11-26 11:56:46,252 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -27 predicate places. [2023-11-26 11:56:46,253 INFO L495 AbstractCegarLoop]: Abstraction has has 572 places, 582 transitions, 1185 flow [2023-11-26 11:56:46,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.0) internal successors, (1842), 3 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:46,254 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:46,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:56:46,255 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:46,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1566799111, now seen corresponding path program 1 times [2023-11-26 11:56:46,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520876243] [2023-11-26 11:56:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:46,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520876243] [2023-11-26 11:56:46,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520876243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:46,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:46,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:46,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060994296] [2023-11-26 11:56:46,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:46,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:46,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:46,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:46,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 533 out of 648 [2023-11-26 11:56:46,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 582 transitions, 1185 flow. Second operand has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:46,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 533 of 648 [2023-11-26 11:56:46,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:46,798 INFO L124 PetriNetUnfolderBase]: 112/1393 cut-off events. [2023-11-26 11:56:46,798 INFO L125 PetriNetUnfolderBase]: For 66/70 co-relation queries the response was YES. [2023-11-26 11:56:46,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 1393 events. 112/1393 cut-off events. For 66/70 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8418 event pairs, 9 based on Foata normal form. 3/1234 useless extension candidates. Maximal degree in co-relation 1641. Up to 222 conditions per place. [2023-11-26 11:56:46,810 INFO L140 encePairwiseOnDemand]: 601/648 looper letters, 49 selfloop transitions, 18 changer transitions 5/555 dead transitions. [2023-11-26 11:56:46,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1270 flow [2023-11-26 11:56:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1696 transitions. [2023-11-26 11:56:46,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2023-11-26 11:56:46,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1696 transitions. [2023-11-26 11:56:46,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1696 transitions. [2023-11-26 11:56:46,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:46,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1696 transitions. [2023-11-26 11:56:46,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,837 INFO L175 Difference]: Start difference. First operand has 572 places, 582 transitions, 1185 flow. Second operand 3 states and 1696 transitions. [2023-11-26 11:56:46,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1270 flow [2023-11-26 11:56:46,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 555 transitions, 1264 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:46,854 INFO L231 Difference]: Finished difference. Result has 544 places, 549 transitions, 1148 flow [2023-11-26 11:56:46,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1148, PETRI_PLACES=544, PETRI_TRANSITIONS=549} [2023-11-26 11:56:46,859 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -55 predicate places. [2023-11-26 11:56:46,860 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 549 transitions, 1148 flow [2023-11-26 11:56:46,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:46,861 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] [2023-11-26 11:56:46,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:56:46,862 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:46,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1510551694, now seen corresponding path program 1 times [2023-11-26 11:56:46,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078185038] [2023-11-26 11:56:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:47,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078185038] [2023-11-26 11:56:47,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078185038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:47,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:47,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:47,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411564295] [2023-11-26 11:56:47,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:47,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:47,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:48,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-26 11:56:48,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 549 transitions, 1148 flow. Second operand has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:48,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-26 11:56:48,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:48,500 INFO L124 PetriNetUnfolderBase]: 33/933 cut-off events. [2023-11-26 11:56:48,500 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:56:48,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 933 events. 33/933 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3790 event pairs, 0 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 962. Up to 19 conditions per place. [2023-11-26 11:56:48,515 INFO L140 encePairwiseOnDemand]: 643/648 looper letters, 10 selfloop transitions, 4 changer transitions 0/548 dead transitions. [2023-11-26 11:56:48,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 548 transitions, 1174 flow [2023-11-26 11:56:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3687 transitions. [2023-11-26 11:56:48,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9483024691358025 [2023-11-26 11:56:48,530 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3687 transitions. [2023-11-26 11:56:48,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3687 transitions. [2023-11-26 11:56:48,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:48,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3687 transitions. [2023-11-26 11:56:48,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,559 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,560 INFO L175 Difference]: Start difference. First operand has 544 places, 549 transitions, 1148 flow. Second operand 6 states and 3687 transitions. [2023-11-26 11:56:48,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 548 transitions, 1174 flow [2023-11-26 11:56:48,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 548 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:48,581 INFO L231 Difference]: Finished difference. Result has 541 places, 548 transitions, 1118 flow [2023-11-26 11:56:48,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1118, PETRI_PLACES=541, PETRI_TRANSITIONS=548} [2023-11-26 11:56:48,583 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-26 11:56:48,584 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 548 transitions, 1118 flow [2023-11-26 11:56:48,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:48,586 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] [2023-11-26 11:56:48,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:56:48,586 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:48,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:48,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1900623003, now seen corresponding path program 1 times [2023-11-26 11:56:48,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:48,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457304834] [2023-11-26 11:56:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:48,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:48,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:48,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457304834] [2023-11-26 11:56:48,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457304834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:48,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:48,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:48,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635206977] [2023-11-26 11:56:48,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:48,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:48,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:48,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:48,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:48,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 648 [2023-11-26 11:56:48,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 548 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 596.3333333333334) internal successors, (1789), 3 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:48,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:48,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 648 [2023-11-26 11:56:48,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:49,114 INFO L124 PetriNetUnfolderBase]: 174/2520 cut-off events. [2023-11-26 11:56:49,114 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-26 11:56:49,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2739 conditions, 2520 events. 174/2520 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 17204 event pairs, 19 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 2703. Up to 180 conditions per place. [2023-11-26 11:56:49,139 INFO L140 encePairwiseOnDemand]: 632/648 looper letters, 26 selfloop transitions, 6 changer transitions 0/546 dead transitions. [2023-11-26 11:56:49,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 546 transitions, 1180 flow [2023-11-26 11:56:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-11-26 11:56:49,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398148148148148 [2023-11-26 11:56:49,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-11-26 11:56:49,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-11-26 11:56:49,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:49,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-11-26 11:56:49,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,159 INFO L175 Difference]: Start difference. First operand has 541 places, 548 transitions, 1118 flow. Second operand 3 states and 1827 transitions. [2023-11-26 11:56:49,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 546 transitions, 1180 flow [2023-11-26 11:56:49,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 546 transitions, 1173 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:56:49,171 INFO L231 Difference]: Finished difference. Result has 530 places, 544 transitions, 1133 flow [2023-11-26 11:56:49,172 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1133, PETRI_PLACES=530, PETRI_TRANSITIONS=544} [2023-11-26 11:56:49,173 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -69 predicate places. [2023-11-26 11:56:49,173 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 544 transitions, 1133 flow [2023-11-26 11:56:49,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 596.3333333333334) internal successors, (1789), 3 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:49,174 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] [2023-11-26 11:56:49,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:56:49,175 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:49,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:49,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1606483957, now seen corresponding path program 1 times [2023-11-26 11:56:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242344206] [2023-11-26 11:56:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242344206] [2023-11-26 11:56:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242344206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:49,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:49,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:49,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59882618] [2023-11-26 11:56:49,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:49,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:49,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:49,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:49,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:49,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 648 [2023-11-26 11:56:49,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 544 transitions, 1133 flow. Second operand has 4 states, 4 states have (on average 620.25) internal successors, (2481), 4 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:49,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 648 [2023-11-26 11:56:49,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:49,895 INFO L124 PetriNetUnfolderBase]: 157/3126 cut-off events. [2023-11-26 11:56:49,895 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-26 11:56:49,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 3126 events. 157/3126 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21838 event pairs, 8 based on Foata normal form. 1/2786 useless extension candidates. Maximal degree in co-relation 3268. Up to 73 conditions per place. [2023-11-26 11:56:49,932 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 13 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2023-11-26 11:56:49,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 553 transitions, 1193 flow [2023-11-26 11:56:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:56:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:56:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3115 transitions. [2023-11-26 11:56:49,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9614197530864198 [2023-11-26 11:56:49,942 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3115 transitions. [2023-11-26 11:56:49,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3115 transitions. [2023-11-26 11:56:49,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:49,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3115 transitions. [2023-11-26 11:56:49,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 623.0) internal successors, (3115), 5 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,962 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,962 INFO L175 Difference]: Start difference. First operand has 530 places, 544 transitions, 1133 flow. Second operand 5 states and 3115 transitions. [2023-11-26 11:56:49,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 553 transitions, 1193 flow [2023-11-26 11:56:49,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 553 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:49,977 INFO L231 Difference]: Finished difference. Result has 537 places, 548 transitions, 1171 flow [2023-11-26 11:56:49,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1133, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1171, PETRI_PLACES=537, PETRI_TRANSITIONS=548} [2023-11-26 11:56:49,979 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -62 predicate places. [2023-11-26 11:56:49,979 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 548 transitions, 1171 flow [2023-11-26 11:56:49,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 620.25) internal successors, (2481), 4 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:49,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:49,980 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] [2023-11-26 11:56:49,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:56:49,981 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:49,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:49,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1032245269, now seen corresponding path program 1 times [2023-11-26 11:56:49,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:49,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531594420] [2023-11-26 11:56:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:49,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:50,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:50,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531594420] [2023-11-26 11:56:50,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531594420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:50,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:50,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:50,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785965570] [2023-11-26 11:56:50,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:50,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:50,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:50,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:50,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:51,360 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-26 11:56:51,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 548 transitions, 1171 flow. Second operand has 6 states, 6 states have (on average 613.6666666666666) internal successors, (3682), 6 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:51,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-26 11:56:51,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:51,782 INFO L124 PetriNetUnfolderBase]: 100/2061 cut-off events. [2023-11-26 11:56:51,782 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-26 11:56:51,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2195 conditions, 2061 events. 100/2061 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 12032 event pairs, 6 based on Foata normal form. 0/1843 useless extension candidates. Maximal degree in co-relation 2152. Up to 52 conditions per place. [2023-11-26 11:56:51,810 INFO L140 encePairwiseOnDemand]: 643/648 looper letters, 10 selfloop transitions, 4 changer transitions 0/547 dead transitions. [2023-11-26 11:56:51,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 547 transitions, 1197 flow [2023-11-26 11:56:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3687 transitions. [2023-11-26 11:56:51,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9483024691358025 [2023-11-26 11:56:51,823 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3687 transitions. [2023-11-26 11:56:51,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3687 transitions. [2023-11-26 11:56:51,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:51,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3687 transitions. [2023-11-26 11:56:51,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,849 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,849 INFO L175 Difference]: Start difference. First operand has 537 places, 548 transitions, 1171 flow. Second operand 6 states and 3687 transitions. [2023-11-26 11:56:51,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 547 transitions, 1197 flow [2023-11-26 11:56:51,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 547 transitions, 1197 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:51,864 INFO L231 Difference]: Finished difference. Result has 541 places, 547 transitions, 1177 flow [2023-11-26 11:56:51,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1177, PETRI_PLACES=541, PETRI_TRANSITIONS=547} [2023-11-26 11:56:51,867 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-26 11:56:51,867 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 547 transitions, 1177 flow [2023-11-26 11:56:51,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.6666666666666) internal successors, (3682), 6 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:51,870 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] [2023-11-26 11:56:51,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:56:51,871 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:51,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1238688854, now seen corresponding path program 1 times [2023-11-26 11:56:51,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082988577] [2023-11-26 11:56:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:52,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082988577] [2023-11-26 11:56:52,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082988577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:52,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:52,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788872504] [2023-11-26 11:56:52,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:52,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:52,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:52,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:53,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-26 11:56:53,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 547 transitions, 1177 flow. Second operand has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:53,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-26 11:56:53,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:53,872 INFO L124 PetriNetUnfolderBase]: 125/2409 cut-off events. [2023-11-26 11:56:53,873 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-26 11:56:53,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 2409 events. 125/2409 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 15353 event pairs, 7 based on Foata normal form. 0/2161 useless extension candidates. Maximal degree in co-relation 2597. Up to 57 conditions per place. [2023-11-26 11:56:53,902 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 15 selfloop transitions, 6 changer transitions 0/550 dead transitions. [2023-11-26 11:56:53,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 550 transitions, 1229 flow [2023-11-26 11:56:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3693 transitions. [2023-11-26 11:56:53,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9498456790123457 [2023-11-26 11:56:53,913 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3693 transitions. [2023-11-26 11:56:53,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3693 transitions. [2023-11-26 11:56:53,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:53,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3693 transitions. [2023-11-26 11:56:53,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.5) internal successors, (3693), 6 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,935 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,936 INFO L175 Difference]: Start difference. First operand has 541 places, 547 transitions, 1177 flow. Second operand 6 states and 3693 transitions. [2023-11-26 11:56:53,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 550 transitions, 1229 flow [2023-11-26 11:56:53,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 550 transitions, 1222 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:56:53,990 INFO L231 Difference]: Finished difference. Result has 541 places, 546 transitions, 1180 flow [2023-11-26 11:56:53,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1180, PETRI_PLACES=541, PETRI_TRANSITIONS=546} [2023-11-26 11:56:53,992 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-26 11:56:53,992 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 546 transitions, 1180 flow [2023-11-26 11:56:53,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:53,994 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] [2023-11-26 11:56:53,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:56:53,995 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:53,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash 296177911, now seen corresponding path program 1 times [2023-11-26 11:56:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:53,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576999405] [2023-11-26 11:56:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:54,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:54,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576999405] [2023-11-26 11:56:54,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576999405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:54,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:54,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:54,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528533104] [2023-11-26 11:56:54,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:54,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:54,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:54,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 648 [2023-11-26 11:56:54,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 546 transitions, 1180 flow. Second operand has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:54,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:54,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 648 [2023-11-26 11:56:54,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:54,935 INFO L124 PetriNetUnfolderBase]: 192/3341 cut-off events. [2023-11-26 11:56:54,935 INFO L125 PetriNetUnfolderBase]: For 54/55 co-relation queries the response was YES. [2023-11-26 11:56:54,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3738 conditions, 3341 events. 192/3341 cut-off events. For 54/55 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 23078 event pairs, 16 based on Foata normal form. 0/2996 useless extension candidates. Maximal degree in co-relation 3695. Up to 133 conditions per place. [2023-11-26 11:56:54,965 INFO L140 encePairwiseOnDemand]: 638/648 looper letters, 20 selfloop transitions, 10 changer transitions 0/558 dead transitions. [2023-11-26 11:56:54,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 558 transitions, 1267 flow [2023-11-26 11:56:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:56:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:56:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3086 transitions. [2023-11-26 11:56:54,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9524691358024692 [2023-11-26 11:56:54,974 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3086 transitions. [2023-11-26 11:56:54,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3086 transitions. [2023-11-26 11:56:54,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:54,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3086 transitions. [2023-11-26 11:56:54,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 617.2) internal successors, (3086), 5 states have internal predecessors, (3086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:54,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:54,990 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:54,990 INFO L175 Difference]: Start difference. First operand has 541 places, 546 transitions, 1180 flow. Second operand 5 states and 3086 transitions. [2023-11-26 11:56:54,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 558 transitions, 1267 flow [2023-11-26 11:56:54,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 558 transitions, 1255 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:56:55,004 INFO L231 Difference]: Finished difference. Result has 543 places, 554 transitions, 1238 flow [2023-11-26 11:56:55,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1238, PETRI_PLACES=543, PETRI_TRANSITIONS=554} [2023-11-26 11:56:55,006 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -56 predicate places. [2023-11-26 11:56:55,006 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 554 transitions, 1238 flow [2023-11-26 11:56:55,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:55,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:55,008 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] [2023-11-26 11:56:55,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:56:55,008 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:55,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:55,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1485128716, now seen corresponding path program 1 times [2023-11-26 11:56:55,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:55,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681095905] [2023-11-26 11:56:55,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:55,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681095905] [2023-11-26 11:56:55,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681095905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:55,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:55,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:55,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054028775] [2023-11-26 11:56:55,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:55,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:55,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:55,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:55,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:55,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 648 [2023-11-26 11:56:55,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 554 transitions, 1238 flow. Second operand has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:55,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:55,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 648 [2023-11-26 11:56:55,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:55,987 INFO L124 PetriNetUnfolderBase]: 189/3334 cut-off events. [2023-11-26 11:56:55,987 INFO L125 PetriNetUnfolderBase]: For 176/177 co-relation queries the response was YES. [2023-11-26 11:56:56,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3810 conditions, 3334 events. 189/3334 cut-off events. For 176/177 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 23031 event pairs, 16 based on Foata normal form. 0/3000 useless extension candidates. Maximal degree in co-relation 3763. Up to 133 conditions per place. [2023-11-26 11:56:56,014 INFO L140 encePairwiseOnDemand]: 638/648 looper letters, 20 selfloop transitions, 10 changer transitions 0/561 dead transitions. [2023-11-26 11:56:56,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 561 transitions, 1315 flow [2023-11-26 11:56:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:56:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:56:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3086 transitions. [2023-11-26 11:56:56,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9524691358024692 [2023-11-26 11:56:56,024 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3086 transitions. [2023-11-26 11:56:56,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3086 transitions. [2023-11-26 11:56:56,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:56,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3086 transitions. [2023-11-26 11:56:56,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 617.2) internal successors, (3086), 5 states have internal predecessors, (3086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,038 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,038 INFO L175 Difference]: Start difference. First operand has 543 places, 554 transitions, 1238 flow. Second operand 5 states and 3086 transitions. [2023-11-26 11:56:56,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 561 transitions, 1315 flow [2023-11-26 11:56:56,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 561 transitions, 1315 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:56,051 INFO L231 Difference]: Finished difference. Result has 550 places, 557 transitions, 1288 flow [2023-11-26 11:56:56,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1238, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1288, PETRI_PLACES=550, PETRI_TRANSITIONS=557} [2023-11-26 11:56:56,054 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -49 predicate places. [2023-11-26 11:56:56,054 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 557 transitions, 1288 flow [2023-11-26 11:56:56,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:56,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:56,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:56:56,056 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:56,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:56,056 INFO L85 PathProgramCache]: Analyzing trace with hash -733735207, now seen corresponding path program 1 times [2023-11-26 11:56:56,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:56,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952532142] [2023-11-26 11:56:56,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:56,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:56,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:56,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952532142] [2023-11-26 11:56:56,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952532142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:56,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:56,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:56,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906669561] [2023-11-26 11:56:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:56,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:56,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:56,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:56,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 648 [2023-11-26 11:56:56,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 557 transitions, 1288 flow. Second operand has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:56,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 648 [2023-11-26 11:56:56,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:56,588 INFO L124 PetriNetUnfolderBase]: 131/2570 cut-off events. [2023-11-26 11:56:56,588 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2023-11-26 11:56:56,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 2570 events. 131/2570 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 15736 event pairs, 20 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 2957. Up to 74 conditions per place. [2023-11-26 11:56:56,612 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 9 selfloop transitions, 2 changer transitions 0/557 dead transitions. [2023-11-26 11:56:56,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 557 transitions, 1311 flow [2023-11-26 11:56:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1863 transitions. [2023-11-26 11:56:56,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2023-11-26 11:56:56,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1863 transitions. [2023-11-26 11:56:56,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1863 transitions. [2023-11-26 11:56:56,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:56,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1863 transitions. [2023-11-26 11:56:56,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 621.0) internal successors, (1863), 3 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,628 INFO L175 Difference]: Start difference. First operand has 550 places, 557 transitions, 1288 flow. Second operand 3 states and 1863 transitions. [2023-11-26 11:56:56,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 557 transitions, 1311 flow [2023-11-26 11:56:56,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 557 transitions, 1311 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:56:56,642 INFO L231 Difference]: Finished difference. Result has 551 places, 556 transitions, 1290 flow [2023-11-26 11:56:56,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1286, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1290, PETRI_PLACES=551, PETRI_TRANSITIONS=556} [2023-11-26 11:56:56,644 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -48 predicate places. [2023-11-26 11:56:56,644 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 556 transitions, 1290 flow [2023-11-26 11:56:56,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:56,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:56,645 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] [2023-11-26 11:56:56,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:56:56,645 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:56,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:56,646 INFO L85 PathProgramCache]: Analyzing trace with hash 230772535, now seen corresponding path program 1 times [2023-11-26 11:56:56,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:56,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961766045] [2023-11-26 11:56:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:56,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:57,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961766045] [2023-11-26 11:56:57,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961766045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:57,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:57,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:57,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135462883] [2023-11-26 11:56:57,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:57,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:57,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:57,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:57,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:57,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 648 [2023-11-26 11:56:57,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 556 transitions, 1290 flow. Second operand has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:57,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:57,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 648 [2023-11-26 11:56:57,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:58,576 INFO L124 PetriNetUnfolderBase]: 287/2885 cut-off events. [2023-11-26 11:56:58,576 INFO L125 PetriNetUnfolderBase]: For 375/376 co-relation queries the response was YES. [2023-11-26 11:56:58,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3976 conditions, 2885 events. 287/2885 cut-off events. For 375/376 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 20283 event pairs, 30 based on Foata normal form. 0/2682 useless extension candidates. Maximal degree in co-relation 3922. Up to 224 conditions per place. [2023-11-26 11:56:58,601 INFO L140 encePairwiseOnDemand]: 594/648 looper letters, 23 selfloop transitions, 50 changer transitions 0/551 dead transitions. [2023-11-26 11:56:58,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 551 transitions, 1430 flow [2023-11-26 11:56:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:56:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3413 transitions. [2023-11-26 11:56:58,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8778292181069959 [2023-11-26 11:56:58,611 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3413 transitions. [2023-11-26 11:56:58,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3413 transitions. [2023-11-26 11:56:58,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:58,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3413 transitions. [2023-11-26 11:56:58,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 568.8333333333334) internal successors, (3413), 6 states have internal predecessors, (3413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:58,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:58,626 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:58,627 INFO L175 Difference]: Start difference. First operand has 551 places, 556 transitions, 1290 flow. Second operand 6 states and 3413 transitions. [2023-11-26 11:56:58,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 551 transitions, 1430 flow [2023-11-26 11:56:58,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 551 transitions, 1426 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:56:58,641 INFO L231 Difference]: Finished difference. Result has 545 places, 547 transitions, 1368 flow [2023-11-26 11:56:58,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1368, PETRI_PLACES=545, PETRI_TRANSITIONS=547} [2023-11-26 11:56:58,642 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -54 predicate places. [2023-11-26 11:56:58,643 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 547 transitions, 1368 flow [2023-11-26 11:56:58,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:58,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:58,644 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] [2023-11-26 11:56:58,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:56:58,644 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:58,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1532649564, now seen corresponding path program 1 times [2023-11-26 11:56:58,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:58,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732119353] [2023-11-26 11:56:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:58,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:58,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:58,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732119353] [2023-11-26 11:56:58,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732119353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:58,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:58,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:58,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875712784] [2023-11-26 11:56:58,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:58,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:58,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:58,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:58,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:58,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:56:58,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 547 transitions, 1368 flow. Second operand has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:58,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:58,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:56:58,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:56:59,752 INFO L124 PetriNetUnfolderBase]: 251/3492 cut-off events. [2023-11-26 11:56:59,752 INFO L125 PetriNetUnfolderBase]: For 406/408 co-relation queries the response was YES. [2023-11-26 11:56:59,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4720 conditions, 3492 events. 251/3492 cut-off events. For 406/408 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 26155 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4668. Up to 418 conditions per place. [2023-11-26 11:56:59,793 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2023-11-26 11:56:59,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 547 transitions, 1455 flow [2023-11-26 11:56:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:56:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:56:59,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:56:59,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:56:59,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:56:59,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:59,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:56:59,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,806 INFO L175 Difference]: Start difference. First operand has 545 places, 547 transitions, 1368 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:56:59,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 547 transitions, 1455 flow [2023-11-26 11:56:59,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 547 transitions, 1355 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:56:59,821 INFO L231 Difference]: Finished difference. Result has 541 places, 546 transitions, 1270 flow [2023-11-26 11:56:59,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1266, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1270, PETRI_PLACES=541, PETRI_TRANSITIONS=546} [2023-11-26 11:56:59,822 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-26 11:56:59,823 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 546 transitions, 1270 flow [2023-11-26 11:56:59,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:59,823 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] [2023-11-26 11:56:59,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:56:59,824 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err51ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:56:59,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:59,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1356970864, now seen corresponding path program 1 times [2023-11-26 11:56:59,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:59,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737470679] [2023-11-26 11:56:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:59,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:59,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:59,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737470679] [2023-11-26 11:56:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737470679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:59,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:59,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:59,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369709799] [2023-11-26 11:56:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:59,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:59,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:59,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:00,031 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:00,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 546 transitions, 1270 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:00,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:00,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:00,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:00,778 INFO L124 PetriNetUnfolderBase]: 257/3525 cut-off events. [2023-11-26 11:57:00,778 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:00,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4401 conditions, 3525 events. 257/3525 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 26609 event pairs, 116 based on Foata normal form. 0/3301 useless extension candidates. Maximal degree in co-relation 4349. Up to 418 conditions per place. [2023-11-26 11:57:00,821 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2023-11-26 11:57:00,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 546 transitions, 1357 flow [2023-11-26 11:57:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:00,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:00,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:00,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:00,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:00,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:00,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:00,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:00,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:00,916 INFO L175 Difference]: Start difference. First operand has 541 places, 546 transitions, 1270 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:00,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 546 transitions, 1357 flow [2023-11-26 11:57:00,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 546 transitions, 1353 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:00,931 INFO L231 Difference]: Finished difference. Result has 540 places, 545 transitions, 1268 flow [2023-11-26 11:57:00,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1264, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1268, PETRI_PLACES=540, PETRI_TRANSITIONS=545} [2023-11-26 11:57:00,932 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -59 predicate places. [2023-11-26 11:57:00,933 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 545 transitions, 1268 flow [2023-11-26 11:57:00,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:00,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:00,933 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] [2023-11-26 11:57:00,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:57:00,934 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err43ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:00,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1738611731, now seen corresponding path program 1 times [2023-11-26 11:57:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:00,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116831587] [2023-11-26 11:57:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:00,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:00,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116831587] [2023-11-26 11:57:00,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116831587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:00,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:00,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:00,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700760062] [2023-11-26 11:57:00,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:00,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:00,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:00,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:00,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:01,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:01,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 545 transitions, 1268 flow. Second operand has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:01,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:01,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:01,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:01,794 INFO L124 PetriNetUnfolderBase]: 253/3495 cut-off events. [2023-11-26 11:57:01,795 INFO L125 PetriNetUnfolderBase]: For 297/299 co-relation queries the response was YES. [2023-11-26 11:57:01,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4374 conditions, 3495 events. 253/3495 cut-off events. For 297/299 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 26210 event pairs, 116 based on Foata normal form. 0/3282 useless extension candidates. Maximal degree in co-relation 4322. Up to 418 conditions per place. [2023-11-26 11:57:01,822 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2023-11-26 11:57:01,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 545 transitions, 1355 flow [2023-11-26 11:57:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:01,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:01,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:01,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:01,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:01,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:01,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:01,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:01,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:01,835 INFO L175 Difference]: Start difference. First operand has 540 places, 545 transitions, 1268 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:01,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 545 transitions, 1355 flow [2023-11-26 11:57:01,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1351 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:01,849 INFO L231 Difference]: Finished difference. Result has 539 places, 544 transitions, 1266 flow [2023-11-26 11:57:01,850 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1266, PETRI_PLACES=539, PETRI_TRANSITIONS=544} [2023-11-26 11:57:01,851 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -60 predicate places. [2023-11-26 11:57:01,851 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 544 transitions, 1266 flow [2023-11-26 11:57:01,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:01,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:01,852 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] [2023-11-26 11:57:01,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 11:57:01,852 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err59ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:01,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -669496788, now seen corresponding path program 1 times [2023-11-26 11:57:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991122884] [2023-11-26 11:57:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:01,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:01,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991122884] [2023-11-26 11:57:01,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991122884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:01,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:01,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:01,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953357791] [2023-11-26 11:57:01,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:01,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:01,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:02,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:02,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 544 transitions, 1266 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:02,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:02,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:02,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:02,748 INFO L124 PetriNetUnfolderBase]: 253/3493 cut-off events. [2023-11-26 11:57:02,748 INFO L125 PetriNetUnfolderBase]: For 296/298 co-relation queries the response was YES. [2023-11-26 11:57:02,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4373 conditions, 3493 events. 253/3493 cut-off events. For 296/298 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 26207 event pairs, 116 based on Foata normal form. 0/3286 useless extension candidates. Maximal degree in co-relation 4321. Up to 418 conditions per place. [2023-11-26 11:57:02,778 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2023-11-26 11:57:02,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1353 flow [2023-11-26 11:57:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:02,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:02,784 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:02,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:02,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:02,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:02,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:02,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:02,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:02,792 INFO L175 Difference]: Start difference. First operand has 539 places, 544 transitions, 1266 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:02,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1353 flow [2023-11-26 11:57:02,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1349 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:02,806 INFO L231 Difference]: Finished difference. Result has 538 places, 543 transitions, 1264 flow [2023-11-26 11:57:02,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1264, PETRI_PLACES=538, PETRI_TRANSITIONS=543} [2023-11-26 11:57:02,807 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -61 predicate places. [2023-11-26 11:57:02,807 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 543 transitions, 1264 flow [2023-11-26 11:57:02,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:02,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:02,808 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] [2023-11-26 11:57:02,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 11:57:02,809 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err67ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:02,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1466650879, now seen corresponding path program 1 times [2023-11-26 11:57:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:02,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625845304] [2023-11-26 11:57:02,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:02,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:02,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625845304] [2023-11-26 11:57:02,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625845304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:02,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:02,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:02,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57071768] [2023-11-26 11:57:02,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:02,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:02,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:03,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 543 transitions, 1264 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:03,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:03,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:03,630 INFO L124 PetriNetUnfolderBase]: 253/3489 cut-off events. [2023-11-26 11:57:03,630 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:03,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4367 conditions, 3489 events. 253/3489 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 26142 event pairs, 116 based on Foata normal form. 0/3286 useless extension candidates. Maximal degree in co-relation 4315. Up to 418 conditions per place. [2023-11-26 11:57:03,656 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 40 selfloop transitions, 2 changer transitions 1/543 dead transitions. [2023-11-26 11:57:03,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1351 flow [2023-11-26 11:57:03,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:03,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:03,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:03,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:03,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:03,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:03,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,669 INFO L175 Difference]: Start difference. First operand has 538 places, 543 transitions, 1264 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:03,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1351 flow [2023-11-26 11:57:03,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:03,682 INFO L231 Difference]: Finished difference. Result has 537 places, 542 transitions, 1262 flow [2023-11-26 11:57:03,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1258, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1262, PETRI_PLACES=537, PETRI_TRANSITIONS=542} [2023-11-26 11:57:03,684 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -62 predicate places. [2023-11-26 11:57:03,684 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 542 transitions, 1262 flow [2023-11-26 11:57:03,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:03,685 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] [2023-11-26 11:57:03,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 11:57:03,685 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:03,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:03,686 INFO L85 PathProgramCache]: Analyzing trace with hash 387754452, now seen corresponding path program 1 times [2023-11-26 11:57:03,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:03,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968900027] [2023-11-26 11:57:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:03,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:03,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968900027] [2023-11-26 11:57:03,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968900027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:03,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:03,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:03,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953330851] [2023-11-26 11:57:03,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:03,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:03,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:03,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:03,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:03,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 542 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 588.6666666666666) internal successors, (1766), 3 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:03,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:03,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:03,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:04,506 INFO L124 PetriNetUnfolderBase]: 251/3469 cut-off events. [2023-11-26 11:57:04,506 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:04,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4347 conditions, 3469 events. 251/3469 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 25858 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4295. Up to 418 conditions per place. [2023-11-26 11:57:04,540 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2023-11-26 11:57:04,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 542 transitions, 1349 flow [2023-11-26 11:57:04,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:04,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:04,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:04,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:04,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:04,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:04,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:04,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:04,549 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:04,549 INFO L175 Difference]: Start difference. First operand has 537 places, 542 transitions, 1262 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:04,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 542 transitions, 1349 flow [2023-11-26 11:57:04,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 542 transitions, 1345 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:04,563 INFO L231 Difference]: Finished difference. Result has 536 places, 541 transitions, 1260 flow [2023-11-26 11:57:04,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1260, PETRI_PLACES=536, PETRI_TRANSITIONS=541} [2023-11-26 11:57:04,565 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -63 predicate places. [2023-11-26 11:57:04,565 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 541 transitions, 1260 flow [2023-11-26 11:57:04,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 588.6666666666666) internal successors, (1766), 3 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:04,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:04,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:04,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 11:57:04,566 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:04,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash 239048907, now seen corresponding path program 1 times [2023-11-26 11:57:04,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:04,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347976042] [2023-11-26 11:57:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:04,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:04,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:04,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347976042] [2023-11-26 11:57:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347976042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:04,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:04,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364349346] [2023-11-26 11:57:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:04,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:04,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:04,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:04,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:04,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 541 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:04,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:04,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:04,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:05,491 INFO L124 PetriNetUnfolderBase]: 251/3463 cut-off events. [2023-11-26 11:57:05,491 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:05,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4343 conditions, 3463 events. 251/3463 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25791 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4291. Up to 418 conditions per place. [2023-11-26 11:57:05,524 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2023-11-26 11:57:05,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 541 transitions, 1347 flow [2023-11-26 11:57:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:05,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:05,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:05,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:05,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:05,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:05,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,538 INFO L175 Difference]: Start difference. First operand has 536 places, 541 transitions, 1260 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:05,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 541 transitions, 1347 flow [2023-11-26 11:57:05,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 541 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:05,555 INFO L231 Difference]: Finished difference. Result has 535 places, 540 transitions, 1258 flow [2023-11-26 11:57:05,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1258, PETRI_PLACES=535, PETRI_TRANSITIONS=540} [2023-11-26 11:57:05,557 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -64 predicate places. [2023-11-26 11:57:05,558 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 540 transitions, 1258 flow [2023-11-26 11:57:05,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:05,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:05,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 11:57:05,559 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:05,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:05,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1811650078, now seen corresponding path program 1 times [2023-11-26 11:57:05,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:05,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681095423] [2023-11-26 11:57:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:05,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:05,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:05,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681095423] [2023-11-26 11:57:05,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681095423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:05,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:05,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:05,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844738927] [2023-11-26 11:57:05,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:05,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:05,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:05,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:05,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 540 transitions, 1258 flow. Second operand has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:05,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:05,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:06,475 INFO L124 PetriNetUnfolderBase]: 251/3457 cut-off events. [2023-11-26 11:57:06,475 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:06,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4337 conditions, 3457 events. 251/3457 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25783 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4285. Up to 418 conditions per place. [2023-11-26 11:57:06,504 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2023-11-26 11:57:06,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 540 transitions, 1345 flow [2023-11-26 11:57:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:06,509 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:06,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:06,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:06,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:06,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:06,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,516 INFO L175 Difference]: Start difference. First operand has 535 places, 540 transitions, 1258 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:06,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 540 transitions, 1345 flow [2023-11-26 11:57:06,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 540 transitions, 1341 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:06,531 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1256 flow [2023-11-26 11:57:06,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1256, PETRI_PLACES=534, PETRI_TRANSITIONS=539} [2023-11-26 11:57:06,532 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -65 predicate places. [2023-11-26 11:57:06,532 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1256 flow [2023-11-26 11:57:06,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:06,533 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:06,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-26 11:57:06,533 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-26 11:57:06,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:06,533 INFO L85 PathProgramCache]: Analyzing trace with hash 915186969, now seen corresponding path program 1 times [2023-11-26 11:57:06,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:06,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611755885] [2023-11-26 11:57:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:06,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:06,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611755885] [2023-11-26 11:57:06,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611755885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:06,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:06,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:06,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298109850] [2023-11-26 11:57:06,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:06,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:06,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:06,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:06,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:06,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-26 11:57:06,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 539 transitions, 1256 flow. Second operand has 3 states, 3 states have (on average 591.6666666666666) internal successors, (1775), 3 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:06,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-26 11:57:06,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:07,408 INFO L124 PetriNetUnfolderBase]: 251/3451 cut-off events. [2023-11-26 11:57:07,409 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-26 11:57:07,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4331 conditions, 3451 events. 251/3451 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25669 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4279. Up to 418 conditions per place. [2023-11-26 11:57:07,431 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 0 selfloop transitions, 0 changer transitions 539/539 dead transitions. [2023-11-26 11:57:07,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 539 transitions, 1343 flow [2023-11-26 11:57:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-26 11:57:07,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-26 11:57:07,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-26 11:57:07,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-26 11:57:07,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:07,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-26 11:57:07,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:07,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:07,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:07,443 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1256 flow. Second operand 3 states and 1799 transitions. [2023-11-26 11:57:07,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 539 transitions, 1343 flow [2023-11-26 11:57:07,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 539 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:57:07,455 INFO L231 Difference]: Finished difference. Result has 533 places, 0 transitions, 0 flow [2023-11-26 11:57:07,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=533, PETRI_TRANSITIONS=0} [2023-11-26 11:57:07,456 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -66 predicate places. [2023-11-26 11:57:07,456 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 0 transitions, 0 flow [2023-11-26 11:57:07,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 591.6666666666666) internal successors, (1775), 3 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:07,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (163 of 164 remaining) [2023-11-26 11:57:07,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (162 of 164 remaining) [2023-11-26 11:57:07,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (161 of 164 remaining) [2023-11-26 11:57:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (160 of 164 remaining) [2023-11-26 11:57:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (159 of 164 remaining) [2023-11-26 11:57:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (158 of 164 remaining) [2023-11-26 11:57:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (157 of 164 remaining) [2023-11-26 11:57:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (156 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (155 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (154 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (153 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (152 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (151 of 164 remaining) [2023-11-26 11:57:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (150 of 164 remaining) [2023-11-26 11:57:07,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (149 of 164 remaining) [2023-11-26 11:57:07,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (148 of 164 remaining) [2023-11-26 11:57:07,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (147 of 164 remaining) [2023-11-26 11:57:07,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (146 of 164 remaining) [2023-11-26 11:57:07,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (145 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (144 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (143 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (142 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (141 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (140 of 164 remaining) [2023-11-26 11:57:07,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (139 of 164 remaining) [2023-11-26 11:57:07,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (138 of 164 remaining) [2023-11-26 11:57:07,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (137 of 164 remaining) [2023-11-26 11:57:07,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (136 of 164 remaining) [2023-11-26 11:57:07,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (135 of 164 remaining) [2023-11-26 11:57:07,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (134 of 164 remaining) [2023-11-26 11:57:07,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (133 of 164 remaining) [2023-11-26 11:57:07,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (132 of 164 remaining) [2023-11-26 11:57:07,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (131 of 164 remaining) [2023-11-26 11:57:07,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (130 of 164 remaining) [2023-11-26 11:57:07,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (129 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (128 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (127 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (126 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (125 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 164 remaining) [2023-11-26 11:57:07,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (123 of 164 remaining) [2023-11-26 11:57:07,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (122 of 164 remaining) [2023-11-26 11:57:07,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (121 of 164 remaining) [2023-11-26 11:57:07,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (120 of 164 remaining) [2023-11-26 11:57:07,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (119 of 164 remaining) [2023-11-26 11:57:07,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (118 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (117 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (116 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (115 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (114 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (113 of 164 remaining) [2023-11-26 11:57:07,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (112 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (111 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (110 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (109 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (108 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (107 of 164 remaining) [2023-11-26 11:57:07,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (106 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (105 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (104 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (103 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (102 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (101 of 164 remaining) [2023-11-26 11:57:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (100 of 164 remaining) [2023-11-26 11:57:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (99 of 164 remaining) [2023-11-26 11:57:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (98 of 164 remaining) [2023-11-26 11:57:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (97 of 164 remaining) [2023-11-26 11:57:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (96 of 164 remaining) [2023-11-26 11:57:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (95 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (94 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (93 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (92 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (91 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (90 of 164 remaining) [2023-11-26 11:57:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (89 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (88 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (87 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (86 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (85 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (84 of 164 remaining) [2023-11-26 11:57:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (83 of 164 remaining) [2023-11-26 11:57:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (82 of 164 remaining) [2023-11-26 11:57:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (81 of 164 remaining) [2023-11-26 11:57:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (80 of 164 remaining) [2023-11-26 11:57:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (79 of 164 remaining) [2023-11-26 11:57:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (78 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (74 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (73 of 164 remaining) [2023-11-26 11:57:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 164 remaining) [2023-11-26 11:57:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (71 of 164 remaining) [2023-11-26 11:57:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 164 remaining) [2023-11-26 11:57:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (69 of 164 remaining) [2023-11-26 11:57:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (68 of 164 remaining) [2023-11-26 11:57:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 164 remaining) [2023-11-26 11:57:07,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (66 of 164 remaining) [2023-11-26 11:57:07,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 164 remaining) [2023-11-26 11:57:07,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (64 of 164 remaining) [2023-11-26 11:57:07,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (63 of 164 remaining) [2023-11-26 11:57:07,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 164 remaining) [2023-11-26 11:57:07,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (61 of 164 remaining) [2023-11-26 11:57:07,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (60 of 164 remaining) [2023-11-26 11:57:07,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (59 of 164 remaining) [2023-11-26 11:57:07,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 164 remaining) [2023-11-26 11:57:07,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (57 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (56 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (55 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (54 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (53 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (52 of 164 remaining) [2023-11-26 11:57:07,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 164 remaining) [2023-11-26 11:57:07,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (50 of 164 remaining) [2023-11-26 11:57:07,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (49 of 164 remaining) [2023-11-26 11:57:07,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (48 of 164 remaining) [2023-11-26 11:57:07,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (47 of 164 remaining) [2023-11-26 11:57:07,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (46 of 164 remaining) [2023-11-26 11:57:07,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (45 of 164 remaining) [2023-11-26 11:57:07,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (44 of 164 remaining) [2023-11-26 11:57:07,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (43 of 164 remaining) [2023-11-26 11:57:07,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (42 of 164 remaining) [2023-11-26 11:57:07,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (41 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (39 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (38 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (37 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 164 remaining) [2023-11-26 11:57:07,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (35 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (34 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (33 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (32 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (31 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (30 of 164 remaining) [2023-11-26 11:57:07,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (29 of 164 remaining) [2023-11-26 11:57:07,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (28 of 164 remaining) [2023-11-26 11:57:07,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (27 of 164 remaining) [2023-11-26 11:57:07,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 164 remaining) [2023-11-26 11:57:07,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 164 remaining) [2023-11-26 11:57:07,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 164 remaining) [2023-11-26 11:57:07,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 164 remaining) [2023-11-26 11:57:07,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 164 remaining) [2023-11-26 11:57:07,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 164 remaining) [2023-11-26 11:57:07,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 164 remaining) [2023-11-26 11:57:07,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 164 remaining) [2023-11-26 11:57:07,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 164 remaining) [2023-11-26 11:57:07,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 164 remaining) [2023-11-26 11:57:07,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 164 remaining) [2023-11-26 11:57:07,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 164 remaining) [2023-11-26 11:57:07,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 164 remaining) [2023-11-26 11:57:07,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 164 remaining) [2023-11-26 11:57:07,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 164 remaining) [2023-11-26 11:57:07,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 164 remaining) [2023-11-26 11:57:07,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 164 remaining) [2023-11-26 11:57:07,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-26 11:57:07,490 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:07,498 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:57:07,498 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:57:07,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:57:07 BasicIcfg [2023-11-26 11:57:07,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:57:07,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:57:07,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:57:07,505 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:57:07,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:36" (3/4) ... [2023-11-26 11:57:07,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:57:07,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:57:07,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:57:07,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-26 11:57:07,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:57:07,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:57:07,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:57:07,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:57:07,638 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:57:07,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:57:07,640 INFO L158 Benchmark]: Toolchain (without parser) took 32791.66ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 138.3MB in the beginning and 459.6MB in the end (delta: -321.3MB). Peak memory consumption was 713.7MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,640 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:07,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.77ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 123.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.55ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 120.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,642 INFO L158 Benchmark]: Boogie Preprocessor took 64.95ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 116.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,642 INFO L158 Benchmark]: RCFGBuilder took 1333.30ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 132.4MB in the end (delta: -15.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,643 INFO L158 Benchmark]: TraceAbstraction took 30827.39ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 131.7MB in the beginning and 464.8MB in the end (delta: -333.2MB). Peak memory consumption was 698.0MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,643 INFO L158 Benchmark]: Witness Printer took 134.06ms. Allocated memory is still 1.2GB. Free memory was 464.8MB in the beginning and 459.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:57:07,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.77ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 123.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.55ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 120.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.95ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 116.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1333.30ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 132.4MB in the end (delta: -15.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * TraceAbstraction took 30827.39ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 131.7MB in the beginning and 464.8MB in the end (delta: -333.2MB). Peak memory consumption was 698.0MB. Max. memory is 16.1GB. * Witness Printer took 134.06ms. Allocated memory is still 1.2GB. Free memory was 464.8MB in the beginning and 459.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 60]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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, 1081 locations, 164 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: 30.5s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5015 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1949 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 935 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5506 IncrementalHoareTripleChecker+Invalid, 6441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 935 mSolverCounterUnsat, 613 mSDtfsCounter, 5506 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1368occurred in iteration=17, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2781 NumberOfCodeBlocks, 2781 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2755 ConstructedInterpolants, 0 QuantifiedInterpolants, 3780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:57:07,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a75f0326-bc6f-4a93-813a-e679f13a7579/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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