./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-local-value-dynamic.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-local-value-dynamic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl --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 3caa370bc4a9ea898dee4a53f59af98bda6485e94dce02a9353a40e265634044 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:35,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:35,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:06:35,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:35,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:36,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:36,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:36,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:36,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:36,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:36,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:36,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:36,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:36,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:36,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:36,017 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:06:36,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:36,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:06:36,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:36,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:36,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:36,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:36,020 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:06:36,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:06:36,021 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:06:36,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:36,022 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:36,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:36,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:36,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:36,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:36,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:36,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:36,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:36,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:36,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:36,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:36,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:36,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:36,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:36,029 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:36,029 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_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3caa370bc4a9ea898dee4a53f59af98bda6485e94dce02a9353a40e265634044 [2023-11-12 02:06:36,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-race-challenges/thread-local-value-dynamic.i [2023-11-12 02:06:39,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:39,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:39,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/sv-benchmarks/c/pthread-race-challenges/thread-local-value-dynamic.i [2023-11-12 02:06:39,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/data/b1ca322c1/9a5baf01f01144468826ddab5500137a/FLAG19fd8998e [2023-11-12 02:06:39,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/data/b1ca322c1/9a5baf01f01144468826ddab5500137a [2023-11-12 02:06:39,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:39,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:39,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:39,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:39,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:39,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f27c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39, skipping insertion in model container [2023-11-12 02:06:39,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:40,108 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:06:40,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:40,589 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:06:40,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,742 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:40,751 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:40,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40 WrapperNode [2023-11-12 02:06:40,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:40,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:40,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,859 INFO L138 Inliner]: procedures = 274, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 150 [2023-11-12 02:06:40,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:40,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:40,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:40,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:40,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:40,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:40,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:40,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:41,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7eb8f-74a1-40ff-b2fe-8bb3da93c983/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:06:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:06:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:06:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:06:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:06:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-12 02:06:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-12 02:06:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:41,056 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:06:41,242 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:41,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:41,604 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:41,613 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:41,614 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:06:41,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41 BoogieIcfgContainer [2023-11-12 02:06:41,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:41,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:41,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:41,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:41,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:39" (1/3) ... [2023-11-12 02:06:41,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5801ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (2/3) ... [2023-11-12 02:06:41,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5801ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/3) ... [2023-11-12 02:06:41,634 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-local-value-dynamic.i [2023-11-12 02:06:41,646 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:06:41,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:41,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-12 02:06:41,655 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:06:41,746 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:06:41,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:41,911 INFO L124 PetriNetUnfolderBase]: 13/218 cut-off events. [2023-11-12 02:06:41,911 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:06:41,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 218 events. 13/218 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 497 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 136. Up to 4 conditions per place. [2023-11-12 02:06:41,919 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:41,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:41,932 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:06:41,951 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:41,968 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:41,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 170 transitions, 347 flow [2023-11-12 02:06:42,077 INFO L124 PetriNetUnfolderBase]: 13/218 cut-off events. [2023-11-12 02:06:42,077 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:06:42,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 218 events. 13/218 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 497 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 136. Up to 4 conditions per place. [2023-11-12 02:06:42,089 INFO L119 LiptonReduction]: Number of co-enabled transitions 9020 [2023-11-12 02:06:46,229 INFO L134 LiptonReduction]: Checked pairs total: 29458 [2023-11-12 02:06:46,229 INFO L136 LiptonReduction]: Total number of compositions: 138 [2023-11-12 02:06:46,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:46,253 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;@5a46e459, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:46,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-11-12 02:06:46,257 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:06:46,258 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2023-11-12 02:06:46,258 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:06:46,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:06:46,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:46,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-12 02:06:46,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1136507908, now seen corresponding path program 1 times [2023-11-12 02:06:46,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405147094] [2023-11-12 02:06:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:47,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:47,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405147094] [2023-11-12 02:06:47,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405147094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:47,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:47,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:06:47,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366739424] [2023-11-12 02:06:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:47,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:47,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:47,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:47,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:47,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 308 [2023-11-12 02:06:47,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 61 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 134.16666666666666) internal successors, (805), 6 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:06:47,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 308 [2023-11-12 02:06:47,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:06:47,934 INFO L124 PetriNetUnfolderBase]: 439/1053 cut-off events. [2023-11-12 02:06:47,934 INFO L125 PetriNetUnfolderBase]: For 11/15 co-relation queries the response was YES. [2023-11-12 02:06:47,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1963 conditions, 1053 events. 439/1053 cut-off events. For 11/15 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6158 event pairs, 162 based on Foata normal form. 15/912 useless extension candidates. Maximal degree in co-relation 1863. Up to 419 conditions per place. [2023-11-12 02:06:47,943 INFO L140 encePairwiseOnDemand]: 280/308 looper letters, 75 selfloop transitions, 32 changer transitions 0/122 dead transitions. [2023-11-12 02:06:47,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 122 transitions, 468 flow [2023-11-12 02:06:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:06:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:06:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 924 transitions. [2023-11-12 02:06:47,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-11-12 02:06:47,963 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 924 transitions. [2023-11-12 02:06:47,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 924 transitions. [2023-11-12 02:06:47,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:47,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 924 transitions. [2023-11-12 02:06:47,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,986 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,988 INFO L175 Difference]: Start difference. First operand has 60 places, 61 transitions, 129 flow. Second operand 6 states and 924 transitions. [2023-11-12 02:06:47,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 122 transitions, 468 flow [2023-11-12 02:06:47,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 122 transitions, 468 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:06:47,997 INFO L231 Difference]: Finished difference. Result has 66 places, 88 transitions, 357 flow [2023-11-12 02:06:47,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=66, PETRI_TRANSITIONS=88} [2023-11-12 02:06:48,002 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places. [2023-11-12 02:06:48,003 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 88 transitions, 357 flow [2023-11-12 02:06:48,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.16666666666666) internal successors, (805), 6 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:48,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:06:48,004 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:48,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:06:48,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-12 02:06:48,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:48,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1561475120, now seen corresponding path program 1 times [2023-11-12 02:06:48,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:48,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762698995] [2023-11-12 02:06:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:48,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:48,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762698995] [2023-11-12 02:06:48,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762698995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:48,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:48,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:06:48,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202836696] [2023-11-12 02:06:48,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:48,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:48,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:48,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:48,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 308 [2023-11-12 02:06:48,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 88 transitions, 357 flow. Second operand has 6 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:48,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:06:48,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 308 [2023-11-12 02:06:48,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:06:49,108 INFO L124 PetriNetUnfolderBase]: 372/951 cut-off events. [2023-11-12 02:06:49,108 INFO L125 PetriNetUnfolderBase]: For 324/366 co-relation queries the response was YES. [2023-11-12 02:06:49,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2261 conditions, 951 events. 372/951 cut-off events. For 324/366 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5508 event pairs, 90 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 2138. Up to 526 conditions per place. [2023-11-12 02:06:49,117 INFO L140 encePairwiseOnDemand]: 297/308 looper letters, 71 selfloop transitions, 37 changer transitions 8/158 dead transitions. [2023-11-12 02:06:49,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 158 transitions, 828 flow [2023-11-12 02:06:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:06:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:06:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 936 transitions. [2023-11-12 02:06:49,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5064935064935064 [2023-11-12 02:06:49,122 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 936 transitions. [2023-11-12 02:06:49,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 936 transitions. [2023-11-12 02:06:49,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:49,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 936 transitions. [2023-11-12 02:06:49,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,138 INFO L175 Difference]: Start difference. First operand has 66 places, 88 transitions, 357 flow. Second operand 6 states and 936 transitions. [2023-11-12 02:06:49,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 158 transitions, 828 flow [2023-11-12 02:06:49,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 158 transitions, 828 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:06:49,153 INFO L231 Difference]: Finished difference. Result has 76 places, 122 transitions, 692 flow [2023-11-12 02:06:49,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=692, PETRI_PLACES=76, PETRI_TRANSITIONS=122} [2023-11-12 02:06:49,155 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2023-11-12 02:06:49,159 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 122 transitions, 692 flow [2023-11-12 02:06:49,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:06:49,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:49,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:06:49,168 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-12 02:06:49,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash -188345656, now seen corresponding path program 1 times [2023-11-12 02:06:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:49,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018333223] [2023-11-12 02:06:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:49,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:49,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018333223] [2023-11-12 02:06:49,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018333223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:49,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:49,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:06:49,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185518736] [2023-11-12 02:06:49,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:49,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:49,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:49,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:49,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:49,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 308 [2023-11-12 02:06:49,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 122 transitions, 692 flow. Second operand has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:06:49,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 308 [2023-11-12 02:06:49,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:06:50,206 INFO L124 PetriNetUnfolderBase]: 324/840 cut-off events. [2023-11-12 02:06:50,207 INFO L125 PetriNetUnfolderBase]: For 899/1019 co-relation queries the response was YES. [2023-11-12 02:06:50,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2385 conditions, 840 events. 324/840 cut-off events. For 899/1019 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4833 event pairs, 87 based on Foata normal form. 26/774 useless extension candidates. Maximal degree in co-relation 2288. Up to 490 conditions per place. [2023-11-12 02:06:50,216 INFO L140 encePairwiseOnDemand]: 302/308 looper letters, 97 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2023-11-12 02:06:50,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 149 transitions, 966 flow [2023-11-12 02:06:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:06:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:06:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 918 transitions. [2023-11-12 02:06:50,221 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4967532467532468 [2023-11-12 02:06:50,221 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 918 transitions. [2023-11-12 02:06:50,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 918 transitions. [2023-11-12 02:06:50,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:50,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 918 transitions. [2023-11-12 02:06:50,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 308.0) internal successors, (2156), 7 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,232 INFO L175 Difference]: Start difference. First operand has 76 places, 122 transitions, 692 flow. Second operand 6 states and 918 transitions. [2023-11-12 02:06:50,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 149 transitions, 966 flow [2023-11-12 02:06:50,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 149 transitions, 966 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:06:50,264 INFO L231 Difference]: Finished difference. Result has 79 places, 121 transitions, 700 flow [2023-11-12 02:06:50,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=700, PETRI_PLACES=79, PETRI_TRANSITIONS=121} [2023-11-12 02:06:50,266 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 19 predicate places. [2023-11-12 02:06:50,266 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 121 transitions, 700 flow [2023-11-12 02:06:50,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:06:50,267 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-12 02:06:50,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:06:50,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-12 02:06:50,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash 732816115, now seen corresponding path program 1 times [2023-11-12 02:06:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783067765] [2023-11-12 02:06:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,361 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:06:50,362 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2023-11-12 02:06:50,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2023-11-12 02:06:50,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2023-11-12 02:06:50,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2023-11-12 02:06:50,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2023-11-12 02:06:50,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2023-11-12 02:06:50,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2023-11-12 02:06:50,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2023-11-12 02:06:50,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2023-11-12 02:06:50,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2023-11-12 02:06:50,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2023-11-12 02:06:50,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2023-11-12 02:06:50,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2023-11-12 02:06:50,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2023-11-12 02:06:50,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2023-11-12 02:06:50,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2023-11-12 02:06:50,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2023-11-12 02:06:50,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:06:50,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:06:50,381 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-12 02:06:50,381 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-12 02:06:50,444 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:06:50,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,523 INFO L124 PetriNetUnfolderBase]: 25/401 cut-off events. [2023-11-12 02:06:50,523 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-12 02:06:50,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 401 events. 25/401 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1283 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 258. Up to 8 conditions per place. [2023-11-12 02:06:50,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,531 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:06:50,532 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,532 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 254 transitions, 524 flow [2023-11-12 02:06:50,605 INFO L124 PetriNetUnfolderBase]: 25/401 cut-off events. [2023-11-12 02:06:50,606 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-12 02:06:50,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 401 events. 25/401 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1283 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 258. Up to 8 conditions per place. [2023-11-12 02:06:50,637 INFO L119 LiptonReduction]: Number of co-enabled transitions 33620 [2023-11-12 02:06:55,141 INFO L134 LiptonReduction]: Checked pairs total: 120496 [2023-11-12 02:06:55,141 INFO L136 LiptonReduction]: Total number of compositions: 179 [2023-11-12 02:06:55,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:55,145 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;@5a46e459, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:55,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2023-11-12 02:06:55,150 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:06:55,151 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2023-11-12 02:06:55,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:06:55,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:06:55,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:55,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-12 02:06:55,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash 174188877, now seen corresponding path program 1 times [2023-11-12 02:06:55,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:55,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24581785] [2023-11-12 02:06:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:55,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:55,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24581785] [2023-11-12 02:06:55,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24581785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:55,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:55,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:06:55,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374847888] [2023-11-12 02:06:55,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:55,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:55,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:55,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:55,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:55,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 433 [2023-11-12 02:06:55,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 104 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:55,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:06:55,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 433 [2023-11-12 02:06:55,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:07:01,429 INFO L124 PetriNetUnfolderBase]: 21959/41115 cut-off events. [2023-11-12 02:07:01,429 INFO L125 PetriNetUnfolderBase]: For 431/533 co-relation queries the response was YES. [2023-11-12 02:07:01,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74306 conditions, 41115 events. 21959/41115 cut-off events. For 431/533 co-relation queries the response was YES. Maximal size of possible extension queue 1511. Compared 380145 event pairs, 6793 based on Foata normal form. 19/34804 useless extension candidates. Maximal degree in co-relation 10727. Up to 16847 conditions per place. [2023-11-12 02:07:01,701 INFO L140 encePairwiseOnDemand]: 406/433 looper letters, 173 selfloop transitions, 48 changer transitions 0/263 dead transitions. [2023-11-12 02:07:01,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 263 transitions, 995 flow [2023-11-12 02:07:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:07:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:07:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1454 transitions. [2023-11-12 02:07:01,709 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5596612779060816 [2023-11-12 02:07:01,709 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1454 transitions. [2023-11-12 02:07:01,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1454 transitions. [2023-11-12 02:07:01,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:07:01,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1454 transitions. [2023-11-12 02:07:01,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.33333333333334) internal successors, (1454), 6 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:01,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:01,724 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:01,725 INFO L175 Difference]: Start difference. First operand has 103 places, 104 transitions, 224 flow. Second operand 6 states and 1454 transitions. [2023-11-12 02:07:01,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 263 transitions, 995 flow [2023-11-12 02:07:01,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 263 transitions, 995 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:07:01,735 INFO L231 Difference]: Finished difference. Result has 113 places, 152 transitions, 566 flow [2023-11-12 02:07:01,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=566, PETRI_PLACES=113, PETRI_TRANSITIONS=152} [2023-11-12 02:07:01,738 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 10 predicate places. [2023-11-12 02:07:01,739 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 152 transitions, 566 flow [2023-11-12 02:07:01,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:01,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:07:01,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:01,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:07:01,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-12 02:07:01,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:01,741 INFO L85 PathProgramCache]: Analyzing trace with hash -833325893, now seen corresponding path program 1 times [2023-11-12 02:07:01,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:01,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631449095] [2023-11-12 02:07:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:02,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631449095] [2023-11-12 02:07:02,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631449095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:02,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:02,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:07:02,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969615219] [2023-11-12 02:07:02,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:02,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:07:02,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:07:02,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:07:02,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 433 [2023-11-12 02:07:02,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 152 transitions, 566 flow. Second operand has 6 states, 6 states have (on average 215.33333333333334) internal successors, (1292), 6 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:02,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:07:02,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 433 [2023-11-12 02:07:02,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:07:07,267 INFO L124 PetriNetUnfolderBase]: 18549/35563 cut-off events. [2023-11-12 02:07:07,267 INFO L125 PetriNetUnfolderBase]: For 11445/11685 co-relation queries the response was YES. [2023-11-12 02:07:07,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78552 conditions, 35563 events. 18549/35563 cut-off events. For 11445/11685 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 334567 event pairs, 7540 based on Foata normal form. 0/30105 useless extension candidates. Maximal degree in co-relation 39103. Up to 20924 conditions per place. [2023-11-12 02:07:07,643 INFO L140 encePairwiseOnDemand]: 418/433 looper letters, 177 selfloop transitions, 70 changer transitions 0/315 dead transitions. [2023-11-12 02:07:07,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 315 transitions, 1584 flow [2023-11-12 02:07:07,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:07:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:07:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1467 transitions. [2023-11-12 02:07:07,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5646651270207852 [2023-11-12 02:07:07,650 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1467 transitions. [2023-11-12 02:07:07,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1467 transitions. [2023-11-12 02:07:07,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:07:07,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1467 transitions. [2023-11-12 02:07:07,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:07,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:07,665 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:07,665 INFO L175 Difference]: Start difference. First operand has 113 places, 152 transitions, 566 flow. Second operand 6 states and 1467 transitions. [2023-11-12 02:07:07,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 315 transitions, 1584 flow [2023-11-12 02:07:07,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 315 transitions, 1584 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:07:07,715 INFO L231 Difference]: Finished difference. Result has 123 places, 221 transitions, 1220 flow [2023-11-12 02:07:07,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1220, PETRI_PLACES=123, PETRI_TRANSITIONS=221} [2023-11-12 02:07:07,719 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 20 predicate places. [2023-11-12 02:07:07,721 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 221 transitions, 1220 flow [2023-11-12 02:07:07,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 215.33333333333334) internal successors, (1292), 6 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:07,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:07:07,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:07,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:07:07,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-12 02:07:07,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:07,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2082747190, now seen corresponding path program 1 times [2023-11-12 02:07:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111463345] [2023-11-12 02:07:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111463345] [2023-11-12 02:07:07,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111463345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:07,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:07,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:07:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90903368] [2023-11-12 02:07:07,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:07,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:07:07,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:07,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:07:07,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:07:07,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 433 [2023-11-12 02:07:07,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 221 transitions, 1220 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:07,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:07:07,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 433 [2023-11-12 02:07:07,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:07:11,488 INFO L124 PetriNetUnfolderBase]: 13029/29349 cut-off events. [2023-11-12 02:07:11,488 INFO L125 PetriNetUnfolderBase]: For 16372/20632 co-relation queries the response was YES. [2023-11-12 02:07:11,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66204 conditions, 29349 events. 13029/29349 cut-off events. For 16372/20632 co-relation queries the response was YES. Maximal size of possible extension queue 1345. Compared 309871 event pairs, 5526 based on Foata normal form. 49/24146 useless extension candidates. Maximal degree in co-relation 57088. Up to 13712 conditions per place. [2023-11-12 02:07:11,701 INFO L140 encePairwiseOnDemand]: 426/433 looper letters, 72 selfloop transitions, 6 changer transitions 0/246 dead transitions. [2023-11-12 02:07:11,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 246 transitions, 1440 flow [2023-11-12 02:07:11,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:07:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:07:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2023-11-12 02:07:11,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.565050038491147 [2023-11-12 02:07:11,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2023-11-12 02:07:11,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2023-11-12 02:07:11,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:07:11,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2023-11-12 02:07:11,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:11,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 433.0) internal successors, (1732), 4 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:11,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 433.0) internal successors, (1732), 4 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:11,722 INFO L175 Difference]: Start difference. First operand has 123 places, 221 transitions, 1220 flow. Second operand 3 states and 734 transitions. [2023-11-12 02:07:11,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 246 transitions, 1440 flow [2023-11-12 02:07:11,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 246 transitions, 1440 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:07:11,805 INFO L231 Difference]: Finished difference. Result has 126 places, 226 transitions, 1260 flow [2023-11-12 02:07:11,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1260, PETRI_PLACES=126, PETRI_TRANSITIONS=226} [2023-11-12 02:07:11,808 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 23 predicate places. [2023-11-12 02:07:11,809 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 226 transitions, 1260 flow [2023-11-12 02:07:11,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:11,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:07:11,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:11,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:07:11,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-12 02:07:11,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:11,811 INFO L85 PathProgramCache]: Analyzing trace with hash 65564479, now seen corresponding path program 1 times [2023-11-12 02:07:11,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:11,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013815294] [2023-11-12 02:07:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:11,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:11,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013815294] [2023-11-12 02:07:11,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013815294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:11,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:11,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:07:11,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233377133] [2023-11-12 02:07:11,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:11,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:07:11,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:11,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:07:11,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:07:11,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 433 [2023-11-12 02:07:11,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 226 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:11,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:07:11,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 433 [2023-11-12 02:07:11,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:07:16,823 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L1045-8-->L1044-6: Formula: (let ((.cse0 (select |v_#race_95| v_~data~0.base_98)) (.cse1 (* 4 |v_threadThread2of2ForFork0_~i~1#1_54|))) (and (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 v_~data~0.offset_86))) (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 1 v_~data~0.offset_86))) (= (select .cse0 (+ 3 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|) (= (+ |v_threadThread2of2ForFork0_~i~1#1_54| 1) |v_threadThread2of2ForFork0_~i~1#1_53|) (= (select .cse0 (+ 2 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|))) InVars {#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, threadThread2of2ForFork0_#t~nondet10#1=|v_threadThread2of2ForFork0_#t~nondet10#1_26|, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_54|} OutVars{#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_#t~post9#1=|v_threadThread2of2ForFork0_#t~post9#1_17|, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_53|} AuxVars[] AssignedVars[threadThread2of2ForFork0_#t~nondet10#1, threadThread2of2ForFork0_#t~post9#1, threadThread2of2ForFork0_~i~1#1][195], [Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 243#true, Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 274#(= |#race~data~0| 0), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 267#true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 34#L1047-1true, threadThread2of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, 27#L1044-6true, 255#true, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:16,824 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,824 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,824 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,824 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,825 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L1045-8-->L1044-6: Formula: (let ((.cse0 (select |v_#race_95| v_~data~0.base_98)) (.cse1 (* 4 |v_threadThread2of2ForFork0_~i~1#1_54|))) (and (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 v_~data~0.offset_86))) (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 1 v_~data~0.offset_86))) (= (select .cse0 (+ 3 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|) (= (+ |v_threadThread2of2ForFork0_~i~1#1_54| 1) |v_threadThread2of2ForFork0_~i~1#1_53|) (= (select .cse0 (+ 2 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|))) InVars {#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, threadThread2of2ForFork0_#t~nondet10#1=|v_threadThread2of2ForFork0_#t~nondet10#1_26|, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_54|} OutVars{#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_#t~post9#1=|v_threadThread2of2ForFork0_#t~post9#1_17|, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_53|} AuxVars[] AssignedVars[threadThread2of2ForFork0_#t~nondet10#1, threadThread2of2ForFork0_#t~post9#1, threadThread2of2ForFork0_~i~1#1][195], [120#L1045-1true, Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 243#true, Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 274#(= |#race~data~0| 0), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 267#true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, threadThread2of2ForFork0InUse, 27#L1044-6true, 255#true, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:16,826 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,826 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,826 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:16,826 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-11-12 02:07:17,225 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L1045-8-->L1044-6: Formula: (let ((.cse0 (select |v_#race_95| v_~data~0.base_98)) (.cse1 (* 4 |v_threadThread2of2ForFork0_~i~1#1_54|))) (and (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 v_~data~0.offset_86))) (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 1 v_~data~0.offset_86))) (= (select .cse0 (+ 3 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|) (= (+ |v_threadThread2of2ForFork0_~i~1#1_54| 1) |v_threadThread2of2ForFork0_~i~1#1_53|) (= (select .cse0 (+ 2 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|))) InVars {#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, threadThread2of2ForFork0_#t~nondet10#1=|v_threadThread2of2ForFork0_#t~nondet10#1_26|, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_54|} OutVars{#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_#t~post9#1=|v_threadThread2of2ForFork0_#t~post9#1_17|, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_53|} AuxVars[] AssignedVars[threadThread2of2ForFork0_#t~nondet10#1, threadThread2of2ForFork0_#t~post9#1, threadThread2of2ForFork0_~i~1#1][195], [Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 243#true, Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 274#(= |#race~data~0| 0), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 43#L1047-2true, 267#true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, threadThread2of2ForFork0InUse, 27#L1044-6true, 255#true, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:17,225 INFO L294 olderBase$Statistics]: this new event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,226 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,226 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,226 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,227 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L1045-8-->L1044-6: Formula: (let ((.cse0 (select |v_#race_95| v_~data~0.base_98)) (.cse1 (* 4 |v_threadThread2of2ForFork0_~i~1#1_54|))) (and (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 v_~data~0.offset_86))) (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 1 v_~data~0.offset_86))) (= (select .cse0 (+ 3 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|) (= (+ |v_threadThread2of2ForFork0_~i~1#1_54| 1) |v_threadThread2of2ForFork0_~i~1#1_53|) (= (select .cse0 (+ 2 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|))) InVars {#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, threadThread2of2ForFork0_#t~nondet10#1=|v_threadThread2of2ForFork0_#t~nondet10#1_26|, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_54|} OutVars{#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_#t~post9#1=|v_threadThread2of2ForFork0_#t~post9#1_17|, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_53|} AuxVars[] AssignedVars[threadThread2of2ForFork0_#t~nondet10#1, threadThread2of2ForFork0_#t~post9#1, threadThread2of2ForFork0_~i~1#1][195], [Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 243#true, Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 274#(= |#race~data~0| 0), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 267#true, 237#L1045-2true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, threadThread2of2ForFork0InUse, 27#L1044-6true, 255#true, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:17,228 INFO L294 olderBase$Statistics]: this new event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,228 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,228 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,228 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-11-12 02:07:17,229 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([971] L1045-3-->L1045-5: Formula: (= (store |v_#race_82| v_~data~0.base_66 (store (select |v_#race_82| v_~data~0.base_66) (+ (* |v_threadThread1of2ForFork0_~i~1#1_29| 4) v_~data~0.offset_62) |v_threadThread1of2ForFork0_#t~nondet10#1_19|)) |v_#race_81|) InVars {#race=|v_#race_82|, ~data~0.base=v_~data~0.base_66, ~data~0.offset=v_~data~0.offset_62, threadThread1of2ForFork0_~i~1#1=|v_threadThread1of2ForFork0_~i~1#1_29|} OutVars{#race=|v_#race_81|, ~data~0.base=v_~data~0.base_66, threadThread1of2ForFork0_#t~nondet10#1=|v_threadThread1of2ForFork0_#t~nondet10#1_19|, ~data~0.offset=v_~data~0.offset_62, threadThread1of2ForFork0_~i~1#1=|v_threadThread1of2ForFork0_~i~1#1_29|} AuxVars[] AssignedVars[#race, threadThread1of2ForFork0_#t~nondet10#1][123], [Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 243#true, Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 274#(= |#race~data~0| 0), Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 50#L1045-8true, 173#L1045-5true, 267#true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, threadThread2of2ForFork0InUse, 255#true, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:17,229 INFO L294 olderBase$Statistics]: this new event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,229 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,229 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,230 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,465 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L1045-8-->L1044-6: Formula: (let ((.cse0 (select |v_#race_95| v_~data~0.base_98)) (.cse1 (* 4 |v_threadThread2of2ForFork0_~i~1#1_54|))) (and (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 v_~data~0.offset_86))) (= |v_threadThread2of2ForFork0_#t~nondet10#1_26| (select .cse0 (+ .cse1 1 v_~data~0.offset_86))) (= (select .cse0 (+ 3 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|) (= (+ |v_threadThread2of2ForFork0_~i~1#1_54| 1) |v_threadThread2of2ForFork0_~i~1#1_53|) (= (select .cse0 (+ 2 .cse1 v_~data~0.offset_86)) |v_threadThread2of2ForFork0_#t~nondet10#1_26|))) InVars {#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, threadThread2of2ForFork0_#t~nondet10#1=|v_threadThread2of2ForFork0_#t~nondet10#1_26|, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_54|} OutVars{#race=|v_#race_95|, ~data~0.base=v_~data~0.base_98, ~data~0.offset=v_~data~0.offset_86, threadThread2of2ForFork0_#t~post9#1=|v_threadThread2of2ForFork0_#t~post9#1_17|, threadThread2of2ForFork0_~i~1#1=|v_threadThread2of2ForFork0_~i~1#1_53|} AuxVars[] AssignedVars[threadThread2of2ForFork0_#t~nondet10#1, threadThread2of2ForFork0_#t~post9#1, threadThread2of2ForFork0_~i~1#1][195], [Black: 260#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 3 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), Black: 257#(= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0), 243#true, Black: 259#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ 2 (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 274#(= |#race~data~0| 0), Black: 258#(and (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_#t~mem18#1.base|) (+ (* |ULTIMATE.start_main_~i~3#1| 4) |ULTIMATE.start_main_#t~mem18#1.offset|)) 0)), 267#true, Black: 269#(= |#race~data~0| |threadThread1of2ForFork0_#t~nondet6#1|), threadThread1of2ForFork0InUse, 116#ULTIMATE.startEXITtrue, threadThread2of2ForFork0InUse, 27#L1044-6true, 255#true, 160#threadEXITtrue, Black: 248#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 247#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 245#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 246#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0))]) [2023-11-12 02:07:17,465 INFO L294 olderBase$Statistics]: this new event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,465 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,465 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:17,465 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-11-12 02:07:18,449 INFO L124 PetriNetUnfolderBase]: 25444/51313 cut-off events. [2023-11-12 02:07:18,450 INFO L125 PetriNetUnfolderBase]: For 27959/33173 co-relation queries the response was YES. [2023-11-12 02:07:18,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124686 conditions, 51313 events. 25444/51313 cut-off events. For 27959/33173 co-relation queries the response was YES. Maximal size of possible extension queue 2247. Compared 535839 event pairs, 4073 based on Foata normal form. 58/44593 useless extension candidates. Maximal degree in co-relation 109893. Up to 24960 conditions per place. [2023-11-12 02:07:18,821 INFO L140 encePairwiseOnDemand]: 413/433 looper letters, 112 selfloop transitions, 17 changer transitions 0/286 dead transitions. [2023-11-12 02:07:18,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 286 transitions, 1758 flow [2023-11-12 02:07:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:07:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:07:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2023-11-12 02:07:18,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.573518090839107 [2023-11-12 02:07:18,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 745 transitions. [2023-11-12 02:07:18,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 745 transitions. [2023-11-12 02:07:18,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:07:18,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 745 transitions. [2023-11-12 02:07:18,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:18,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 433.0) internal successors, (1732), 4 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:18,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 433.0) internal successors, (1732), 4 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:18,837 INFO L175 Difference]: Start difference. First operand has 126 places, 226 transitions, 1260 flow. Second operand 3 states and 745 transitions. [2023-11-12 02:07:18,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 286 transitions, 1758 flow [2023-11-12 02:07:19,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 286 transitions, 1747 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:07:19,116 INFO L231 Difference]: Finished difference. Result has 129 places, 243 transitions, 1418 flow [2023-11-12 02:07:19,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1418, PETRI_PLACES=129, PETRI_TRANSITIONS=243} [2023-11-12 02:07:19,118 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-12 02:07:19,118 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 243 transitions, 1418 flow [2023-11-12 02:07:19,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:19,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:07:19,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:19,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:07:19,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-12 02:07:19,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 663396907, now seen corresponding path program 1 times [2023-11-12 02:07:19,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:19,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733481500] [2023-11-12 02:07:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:19,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733481500] [2023-11-12 02:07:19,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733481500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:19,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:19,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:07:19,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463703352] [2023-11-12 02:07:19,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:19,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:07:19,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:19,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:07:19,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:07:19,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 433 [2023-11-12 02:07:19,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 243 transitions, 1418 flow. Second operand has 6 states, 6 states have (on average 217.16666666666666) internal successors, (1303), 6 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:19,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:07:19,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 433 [2023-11-12 02:07:19,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand