./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:29,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:29,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:11:29,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:29,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:29,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:29,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:29,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:29,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:29,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:29,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:29,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:29,209 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:29,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:29,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:29,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:29,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:29,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:29,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:29,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:29,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:29,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:29,215 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:11:29,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:29,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:29,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:29,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:29,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:29,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:29,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:29,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:29,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:29,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:29,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:29,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:29,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:29,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:29,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:29,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:29,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:29,224 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:29,229 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_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-06 23:11:29,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:29,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:29,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:29,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:29,619 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:29,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-06 23:11:32,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:33,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:33,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-06 23:11:33,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/data/095c6f2bf/781cde4305d14af39caa2b4d393f2c1a/FLAG3eebb3cfc [2023-11-06 23:11:33,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/data/095c6f2bf/781cde4305d14af39caa2b4d393f2c1a [2023-11-06 23:11:33,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:33,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:33,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:33,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:33,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:33,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:33" (1/1) ... [2023-11-06 23:11:33,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e401545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:33, skipping insertion in model container [2023-11-06 23:11:33,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:33" (1/1) ... [2023-11-06 23:11:33,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:33,602 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:11:34,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:34,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:34,286 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:11:34,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:34,503 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:34,503 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:34,503 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:34,512 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:34,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34 WrapperNode [2023-11-06 23:11:34,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:34,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:34,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:34,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:34,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,620 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-06 23:11:34,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:34,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:34,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:34,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:34,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:34,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:34,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:34,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:34,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (1/1) ... [2023-11-06 23:11:34,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:34,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:34,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:34,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf463b1-335c-43ee-9ba5-ebc20c964e86/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:11:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:11:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:11:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:11:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:11:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 23:11:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 23:11:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:34,859 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:11:35,174 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:35,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:35,850 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:36,035 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:36,036 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:11:36,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:36 BoogieIcfgContainer [2023-11-06 23:11:36,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:36,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:36,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:36,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:36,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:33" (1/3) ... [2023-11-06 23:11:36,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489827f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:36, skipping insertion in model container [2023-11-06 23:11:36,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:34" (2/3) ... [2023-11-06 23:11:36,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489827f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:36, skipping insertion in model container [2023-11-06 23:11:36,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:36" (3/3) ... [2023-11-06 23:11:36,058 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-06 23:11:36,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:11:36,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:36,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-06 23:11:36,082 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:11:36,203 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 23:11:36,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 269 transitions, 552 flow [2023-11-06 23:11:36,483 INFO L124 PetriNetUnfolderBase]: 14/357 cut-off events. [2023-11-06 23:11:36,484 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:11:36,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 357 events. 14/357 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 774 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 175. Up to 4 conditions per place. [2023-11-06 23:11:36,495 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 269 transitions, 552 flow [2023-11-06 23:11:36,509 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 266 transitions, 544 flow [2023-11-06 23:11:36,513 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:11:36,534 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 266 transitions, 544 flow [2023-11-06 23:11:36,543 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 266 transitions, 544 flow [2023-11-06 23:11:36,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 266 transitions, 544 flow [2023-11-06 23:11:36,692 INFO L124 PetriNetUnfolderBase]: 13/356 cut-off events. [2023-11-06 23:11:36,692 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:11:36,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 356 events. 13/356 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 786 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 174. Up to 4 conditions per place. [2023-11-06 23:11:36,717 INFO L119 LiptonReduction]: Number of co-enabled transitions 8740 [2023-11-06 23:12:06,425 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:12,719 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:20,643 WARN L293 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:26,624 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:41,719 WARN L293 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 138 DAG size of output: 123 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:43,215 INFO L134 LiptonReduction]: Checked pairs total: 43838 [2023-11-06 23:12:43,215 INFO L136 LiptonReduction]: Total number of compositions: 269 [2023-11-06 23:12:43,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:43,235 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c916c62, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:43,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-06 23:12:43,237 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:12:43,237 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:12:43,237 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:12:43,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:43,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:12:43,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:43,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1049, now seen corresponding path program 1 times [2023-11-06 23:12:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:43,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495719140] [2023-11-06 23:12:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:43,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:43,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495719140] [2023-11-06 23:12:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495719140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:43,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:43,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:12:43,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912300704] [2023-11-06 23:12:43,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:43,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:12:43,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:12:43,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:43,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 538 [2023-11-06 23:12:43,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 182 flow. Second operand has 2 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:43,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:43,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 538 [2023-11-06 23:12:43,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:44,094 INFO L124 PetriNetUnfolderBase]: 606/1610 cut-off events. [2023-11-06 23:12:44,094 INFO L125 PetriNetUnfolderBase]: For 34/60 co-relation queries the response was YES. [2023-11-06 23:12:44,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2660 conditions, 1610 events. 606/1610 cut-off events. For 34/60 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10179 event pairs, 605 based on Foata normal form. 68/1561 useless extension candidates. Maximal degree in co-relation 2420. Up to 1026 conditions per place. [2023-11-06 23:12:44,111 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 31 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2023-11-06 23:12:44,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 208 flow [2023-11-06 23:12:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:12:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:12:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 515 transitions. [2023-11-06 23:12:44,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47862453531598514 [2023-11-06 23:12:44,135 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 515 transitions. [2023-11-06 23:12:44,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 515 transitions. [2023-11-06 23:12:44,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:44,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 515 transitions. [2023-11-06 23:12:44,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:44,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 538.0) internal successors, (1614), 3 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:44,157 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 538.0) internal successors, (1614), 3 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:44,159 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 182 flow. Second operand 2 states and 515 transitions. [2023-11-06 23:12:44,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 208 flow [2023-11-06 23:12:44,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:12:44,167 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 134 flow [2023-11-06 23:12:44,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2023-11-06 23:12:44,176 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -19 predicate places. [2023-11-06 23:12:44,176 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 134 flow [2023-11-06 23:12:44,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:44,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:44,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:44,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:12:44,178 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:44,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:44,188 INFO L85 PathProgramCache]: Analyzing trace with hash 204808956, now seen corresponding path program 1 times [2023-11-06 23:12:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171990368] [2023-11-06 23:12:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:44,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:44,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171990368] [2023-11-06 23:12:44,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171990368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:44,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:44,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:44,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167549521] [2023-11-06 23:12:44,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:44,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:12:44,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:44,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:44,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:44,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 538 [2023-11-06 23:12:44,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:44,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:44,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 538 [2023-11-06 23:12:44,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:45,079 INFO L124 PetriNetUnfolderBase]: 545/1816 cut-off events. [2023-11-06 23:12:45,079 INFO L125 PetriNetUnfolderBase]: For 7/47 co-relation queries the response was YES. [2023-11-06 23:12:45,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1816 events. 545/1816 cut-off events. For 7/47 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 12963 event pairs, 185 based on Foata normal form. 0/1686 useless extension candidates. Maximal degree in co-relation 2755. Up to 583 conditions per place. [2023-11-06 23:12:45,091 INFO L140 encePairwiseOnDemand]: 535/538 looper letters, 45 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-11-06 23:12:45,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 81 transitions, 260 flow [2023-11-06 23:12:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:12:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2023-11-06 23:12:45,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44981412639405205 [2023-11-06 23:12:45,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2023-11-06 23:12:45,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2023-11-06 23:12:45,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:45,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2023-11-06 23:12:45,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:45,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 538.0) internal successors, (2152), 4 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:45,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 538.0) internal successors, (2152), 4 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:45,106 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 134 flow. Second operand 3 states and 726 transitions. [2023-11-06 23:12:45,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 81 transitions, 260 flow [2023-11-06 23:12:45,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 81 transitions, 260 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:12:45,109 INFO L231 Difference]: Finished difference. Result has 71 places, 66 transitions, 148 flow [2023-11-06 23:12:45,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=71, PETRI_TRANSITIONS=66} [2023-11-06 23:12:45,110 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -16 predicate places. [2023-11-06 23:12:45,111 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 66 transitions, 148 flow [2023-11-06 23:12:45,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:45,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:45,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:45,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:12:45,112 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:45,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash 167568529, now seen corresponding path program 1 times [2023-11-06 23:12:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:45,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608610097] [2023-11-06 23:12:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:45,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608610097] [2023-11-06 23:12:45,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608610097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:45,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:45,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:12:45,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111226215] [2023-11-06 23:12:45,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:45,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:45,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:45,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:45,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:46,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 538 [2023-11-06 23:12:46,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 66 transitions, 148 flow. Second operand has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:46,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:46,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 538 [2023-11-06 23:12:46,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:47,303 INFO L124 PetriNetUnfolderBase]: 1657/3220 cut-off events. [2023-11-06 23:12:47,304 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2023-11-06 23:12:47,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6085 conditions, 3220 events. 1657/3220 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 18401 event pairs, 1198 based on Foata normal form. 0/3108 useless extension candidates. Maximal degree in co-relation 6080. Up to 2404 conditions per place. [2023-11-06 23:12:47,327 INFO L140 encePairwiseOnDemand]: 524/538 looper letters, 64 selfloop transitions, 31 changer transitions 0/111 dead transitions. [2023-11-06 23:12:47,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 111 transitions, 428 flow [2023-11-06 23:12:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:12:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1259 transitions. [2023-11-06 23:12:47,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39002478314745975 [2023-11-06 23:12:47,333 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1259 transitions. [2023-11-06 23:12:47,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1259 transitions. [2023-11-06 23:12:47,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:47,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1259 transitions. [2023-11-06 23:12:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.83333333333334) internal successors, (1259), 6 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:47,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:47,349 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:47,349 INFO L175 Difference]: Start difference. First operand has 71 places, 66 transitions, 148 flow. Second operand 6 states and 1259 transitions. [2023-11-06 23:12:47,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 111 transitions, 428 flow [2023-11-06 23:12:47,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 111 transitions, 426 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:12:47,354 INFO L231 Difference]: Finished difference. Result has 80 places, 95 transitions, 352 flow [2023-11-06 23:12:47,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=352, PETRI_PLACES=80, PETRI_TRANSITIONS=95} [2023-11-06 23:12:47,355 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -7 predicate places. [2023-11-06 23:12:47,355 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 95 transitions, 352 flow [2023-11-06 23:12:47,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:47,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:47,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:47,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:12:47,357 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:47,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash -797634706, now seen corresponding path program 1 times [2023-11-06 23:12:47,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:47,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836334275] [2023-11-06 23:12:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:47,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:47,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836334275] [2023-11-06 23:12:47,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836334275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:47,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:47,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:12:47,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396526703] [2023-11-06 23:12:47,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:47,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:47,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:47,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:48,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 538 [2023-11-06 23:12:48,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 95 transitions, 352 flow. Second operand has 6 states, 6 states have (on average 211.83333333333334) internal successors, (1271), 6 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:48,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:48,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 538 [2023-11-06 23:12:48,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:49,185 INFO L124 PetriNetUnfolderBase]: 1847/3586 cut-off events. [2023-11-06 23:12:49,186 INFO L125 PetriNetUnfolderBase]: For 1159/1165 co-relation queries the response was YES. [2023-11-06 23:12:49,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8679 conditions, 3586 events. 1847/3586 cut-off events. For 1159/1165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21175 event pairs, 1097 based on Foata normal form. 0/3464 useless extension candidates. Maximal degree in co-relation 8670. Up to 2609 conditions per place. [2023-11-06 23:12:49,215 INFO L140 encePairwiseOnDemand]: 527/538 looper letters, 98 selfloop transitions, 22 changer transitions 0/142 dead transitions. [2023-11-06 23:12:49,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 142 transitions, 735 flow [2023-11-06 23:12:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:12:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1352 transitions. [2023-11-06 23:12:49,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4188351920693928 [2023-11-06 23:12:49,222 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1352 transitions. [2023-11-06 23:12:49,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1352 transitions. [2023-11-06 23:12:49,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:49,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1352 transitions. [2023-11-06 23:12:49,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,238 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,238 INFO L175 Difference]: Start difference. First operand has 80 places, 95 transitions, 352 flow. Second operand 6 states and 1352 transitions. [2023-11-06 23:12:49,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 142 transitions, 735 flow [2023-11-06 23:12:49,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 142 transitions, 735 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:12:49,249 INFO L231 Difference]: Finished difference. Result has 90 places, 116 transitions, 534 flow [2023-11-06 23:12:49,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=90, PETRI_TRANSITIONS=116} [2023-11-06 23:12:49,251 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2023-11-06 23:12:49,251 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 116 transitions, 534 flow [2023-11-06 23:12:49,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.83333333333334) internal successors, (1271), 6 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:49,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:49,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:12:49,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:49,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1582592685, now seen corresponding path program 1 times [2023-11-06 23:12:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744022141] [2023-11-06 23:12:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:49,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:49,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:49,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744022141] [2023-11-06 23:12:49,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744022141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:49,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:49,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:12:49,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409851934] [2023-11-06 23:12:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:49,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:12:49,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:49,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:49,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 538 [2023-11-06 23:12:49,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 116 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:49,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 538 [2023-11-06 23:12:49,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:49,803 INFO L124 PetriNetUnfolderBase]: 485/1102 cut-off events. [2023-11-06 23:12:49,803 INFO L125 PetriNetUnfolderBase]: For 1049/1049 co-relation queries the response was YES. [2023-11-06 23:12:49,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3234 conditions, 1102 events. 485/1102 cut-off events. For 1049/1049 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5864 event pairs, 39 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 3220. Up to 673 conditions per place. [2023-11-06 23:12:49,815 INFO L140 encePairwiseOnDemand]: 536/538 looper letters, 62 selfloop transitions, 1 changer transitions 0/100 dead transitions. [2023-11-06 23:12:49,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 100 transitions, 539 flow [2023-11-06 23:12:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:12:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 725 transitions. [2023-11-06 23:12:49,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44919454770755884 [2023-11-06 23:12:49,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 725 transitions. [2023-11-06 23:12:49,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 725 transitions. [2023-11-06 23:12:49,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:49,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 725 transitions. [2023-11-06 23:12:49,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 538.0) internal successors, (2152), 4 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 538.0) internal successors, (2152), 4 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,828 INFO L175 Difference]: Start difference. First operand has 90 places, 116 transitions, 534 flow. Second operand 3 states and 725 transitions. [2023-11-06 23:12:49,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 100 transitions, 539 flow [2023-11-06 23:12:49,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 100 transitions, 513 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-11-06 23:12:49,838 INFO L231 Difference]: Finished difference. Result has 82 places, 85 transitions, 338 flow [2023-11-06 23:12:49,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=82, PETRI_TRANSITIONS=85} [2023-11-06 23:12:49,839 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -5 predicate places. [2023-11-06 23:12:49,839 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 85 transitions, 338 flow [2023-11-06 23:12:49,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:49,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:49,840 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:49,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:12:49,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:49,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:49,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1557917744, now seen corresponding path program 1 times [2023-11-06 23:12:49,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:49,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956359120] [2023-11-06 23:12:49,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:49,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:50,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:50,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956359120] [2023-11-06 23:12:50,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956359120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:50,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:50,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:50,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492006941] [2023-11-06 23:12:50,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:50,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:12:50,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:50,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:12:50,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:12:51,692 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:12:51,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 85 transitions, 338 flow. Second operand has 10 states, 10 states have (on average 201.3) internal successors, (2013), 10 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:51,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:51,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:12:51,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:53,092 INFO L124 PetriNetUnfolderBase]: 995/1772 cut-off events. [2023-11-06 23:12:53,092 INFO L125 PetriNetUnfolderBase]: For 1365/1365 co-relation queries the response was YES. [2023-11-06 23:12:53,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5519 conditions, 1772 events. 995/1772 cut-off events. For 1365/1365 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8609 event pairs, 18 based on Foata normal form. 24/1788 useless extension candidates. Maximal degree in co-relation 5508. Up to 824 conditions per place. [2023-11-06 23:12:53,107 INFO L140 encePairwiseOnDemand]: 525/538 looper letters, 138 selfloop transitions, 38 changer transitions 0/196 dead transitions. [2023-11-06 23:12:53,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 196 transitions, 1213 flow [2023-11-06 23:12:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:12:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:12:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2532 transitions. [2023-11-06 23:12:53,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39219330855018586 [2023-11-06 23:12:53,119 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2532 transitions. [2023-11-06 23:12:53,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2532 transitions. [2023-11-06 23:12:53,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:53,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2532 transitions. [2023-11-06 23:12:53,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 211.0) internal successors, (2532), 12 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:53,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 538.0) internal successors, (6994), 13 states have internal predecessors, (6994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:53,143 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 538.0) internal successors, (6994), 13 states have internal predecessors, (6994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:53,143 INFO L175 Difference]: Start difference. First operand has 82 places, 85 transitions, 338 flow. Second operand 12 states and 2532 transitions. [2023-11-06 23:12:53,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 196 transitions, 1213 flow [2023-11-06 23:12:53,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 196 transitions, 1211 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:12:53,154 INFO L231 Difference]: Finished difference. Result has 98 places, 118 transitions, 728 flow [2023-11-06 23:12:53,155 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=728, PETRI_PLACES=98, PETRI_TRANSITIONS=118} [2023-11-06 23:12:53,155 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 11 predicate places. [2023-11-06 23:12:53,156 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 118 transitions, 728 flow [2023-11-06 23:12:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.3) internal successors, (2013), 10 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:53,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:53,157 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:53,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:12:53,157 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:53,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:53,158 INFO L85 PathProgramCache]: Analyzing trace with hash -532376417, now seen corresponding path program 1 times [2023-11-06 23:12:53,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:53,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999332570] [2023-11-06 23:12:53,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:53,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999332570] [2023-11-06 23:12:53,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999332570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:53,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:53,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:53,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275291420] [2023-11-06 23:12:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:53,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:12:53,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:12:53,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:12:55,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:12:55,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 118 transitions, 728 flow. Second operand has 10 states, 10 states have (on average 201.3) internal successors, (2013), 10 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:55,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:55,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:12:55,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:57,252 INFO L124 PetriNetUnfolderBase]: 1217/2142 cut-off events. [2023-11-06 23:12:57,253 INFO L125 PetriNetUnfolderBase]: For 5737/5737 co-relation queries the response was YES. [2023-11-06 23:12:57,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8558 conditions, 2142 events. 1217/2142 cut-off events. For 5737/5737 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10875 event pairs, 85 based on Foata normal form. 24/2158 useless extension candidates. Maximal degree in co-relation 8541. Up to 1094 conditions per place. [2023-11-06 23:12:57,275 INFO L140 encePairwiseOnDemand]: 525/538 looper letters, 189 selfloop transitions, 52 changer transitions 0/261 dead transitions. [2023-11-06 23:12:57,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 261 transitions, 2099 flow [2023-11-06 23:12:57,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:12:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:12:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2544 transitions. [2023-11-06 23:12:57,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3940520446096654 [2023-11-06 23:12:57,286 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2544 transitions. [2023-11-06 23:12:57,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2544 transitions. [2023-11-06 23:12:57,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:57,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2544 transitions. [2023-11-06 23:12:57,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 212.0) internal successors, (2544), 12 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 538.0) internal successors, (6994), 13 states have internal predecessors, (6994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,309 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 538.0) internal successors, (6994), 13 states have internal predecessors, (6994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,309 INFO L175 Difference]: Start difference. First operand has 98 places, 118 transitions, 728 flow. Second operand 12 states and 2544 transitions. [2023-11-06 23:12:57,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 261 transitions, 2099 flow [2023-11-06 23:12:57,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 261 transitions, 2084 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:12:57,336 INFO L231 Difference]: Finished difference. Result has 112 places, 163 transitions, 1308 flow [2023-11-06 23:12:57,336 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1308, PETRI_PLACES=112, PETRI_TRANSITIONS=163} [2023-11-06 23:12:57,337 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 25 predicate places. [2023-11-06 23:12:57,337 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 163 transitions, 1308 flow [2023-11-06 23:12:57,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.3) internal successors, (2013), 10 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:12:57,339 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:57,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:12:57,339 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:12:57,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1069602722, now seen corresponding path program 2 times [2023-11-06 23:12:57,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:57,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231524828] [2023-11-06 23:12:57,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:57,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:57,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231524828] [2023-11-06 23:12:57,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231524828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:57,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:57,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:12:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445751307] [2023-11-06 23:12:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:57,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:12:57,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:12:57,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:12:59,370 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:12:59,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 163 transitions, 1308 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:59,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:12:59,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:12:59,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:01,376 INFO L124 PetriNetUnfolderBase]: 1555/2731 cut-off events. [2023-11-06 23:13:01,376 INFO L125 PetriNetUnfolderBase]: For 12878/12878 co-relation queries the response was YES. [2023-11-06 23:13:01,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13139 conditions, 2731 events. 1555/2731 cut-off events. For 12878/12878 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14874 event pairs, 162 based on Foata normal form. 24/2747 useless extension candidates. Maximal degree in co-relation 13116. Up to 1423 conditions per place. [2023-11-06 23:13:01,399 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 161 selfloop transitions, 109 changer transitions 0/290 dead transitions. [2023-11-06 23:13:01,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 290 transitions, 2917 flow [2023-11-06 23:13:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2337 transitions. [2023-11-06 23:13:01,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39489692463670156 [2023-11-06 23:13:01,409 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2337 transitions. [2023-11-06 23:13:01,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2337 transitions. [2023-11-06 23:13:01,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:01,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2337 transitions. [2023-11-06 23:13:01,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.45454545454547) internal successors, (2337), 11 states have internal predecessors, (2337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:01,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:01,430 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:01,430 INFO L175 Difference]: Start difference. First operand has 112 places, 163 transitions, 1308 flow. Second operand 11 states and 2337 transitions. [2023-11-06 23:13:01,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 290 transitions, 2917 flow [2023-11-06 23:13:01,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 290 transitions, 2899 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:13:01,473 INFO L231 Difference]: Finished difference. Result has 124 places, 225 transitions, 2416 flow [2023-11-06 23:13:01,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=1296, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2416, PETRI_PLACES=124, PETRI_TRANSITIONS=225} [2023-11-06 23:13:01,474 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 37 predicate places. [2023-11-06 23:13:01,475 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 225 transitions, 2416 flow [2023-11-06 23:13:01,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:01,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:01,476 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:01,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:13:01,477 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:01,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:01,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1424571265, now seen corresponding path program 1 times [2023-11-06 23:13:01,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:01,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014354409] [2023-11-06 23:13:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:01,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:01,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:01,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014354409] [2023-11-06 23:13:01,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014354409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:01,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:01,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:13:01,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411077233] [2023-11-06 23:13:01,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:01,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:01,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:01,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:01,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:02,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 538 [2023-11-06 23:13:02,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 225 transitions, 2416 flow. Second operand has 6 states, 6 states have (on average 195.33333333333334) internal successors, (1172), 6 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:02,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:02,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 538 [2023-11-06 23:13:02,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:03,069 INFO L124 PetriNetUnfolderBase]: 1459/2617 cut-off events. [2023-11-06 23:13:03,069 INFO L125 PetriNetUnfolderBase]: For 16587/16649 co-relation queries the response was YES. [2023-11-06 23:13:03,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14134 conditions, 2617 events. 1459/2617 cut-off events. For 16587/16649 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 14677 event pairs, 625 based on Foata normal form. 0/2596 useless extension candidates. Maximal degree in co-relation 14105. Up to 2413 conditions per place. [2023-11-06 23:13:03,131 INFO L140 encePairwiseOnDemand]: 532/538 looper letters, 182 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2023-11-06 23:13:03,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 224 transitions, 2788 flow [2023-11-06 23:13:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:13:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1212 transitions. [2023-11-06 23:13:03,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3754646840148699 [2023-11-06 23:13:03,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1212 transitions. [2023-11-06 23:13:03,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1212 transitions. [2023-11-06 23:13:03,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:03,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1212 transitions. [2023-11-06 23:13:03,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:03,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:03,157 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 538.0) internal successors, (3766), 7 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:03,157 INFO L175 Difference]: Start difference. First operand has 124 places, 225 transitions, 2416 flow. Second operand 6 states and 1212 transitions. [2023-11-06 23:13:03,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 224 transitions, 2788 flow [2023-11-06 23:13:03,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 224 transitions, 2655 flow, removed 61 selfloop flow, removed 3 redundant places. [2023-11-06 23:13:03,235 INFO L231 Difference]: Finished difference. Result has 125 places, 224 transitions, 2291 flow [2023-11-06 23:13:03,235 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=2281, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2291, PETRI_PLACES=125, PETRI_TRANSITIONS=224} [2023-11-06 23:13:03,237 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 38 predicate places. [2023-11-06 23:13:03,239 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 224 transitions, 2291 flow [2023-11-06 23:13:03,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.33333333333334) internal successors, (1172), 6 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:03,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:03,240 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:03,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:13:03,241 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:03,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:03,241 INFO L85 PathProgramCache]: Analyzing trace with hash -525652077, now seen corresponding path program 2 times [2023-11-06 23:13:03,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:03,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114223003] [2023-11-06 23:13:03,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:03,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:03,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114223003] [2023-11-06 23:13:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114223003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235415754] [2023-11-06 23:13:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:03,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:03,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:05,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:05,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 224 transitions, 2291 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:05,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:05,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:05,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:07,217 INFO L124 PetriNetUnfolderBase]: 1900/3333 cut-off events. [2023-11-06 23:13:07,217 INFO L125 PetriNetUnfolderBase]: For 21103/21103 co-relation queries the response was YES. [2023-11-06 23:13:07,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17808 conditions, 3333 events. 1900/3333 cut-off events. For 21103/21103 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 19315 event pairs, 300 based on Foata normal form. 24/3351 useless extension candidates. Maximal degree in co-relation 17780. Up to 1893 conditions per place. [2023-11-06 23:13:07,244 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 209 selfloop transitions, 157 changer transitions 0/385 dead transitions. [2023-11-06 23:13:07,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 385 transitions, 4647 flow [2023-11-06 23:13:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2342 transitions. [2023-11-06 23:13:07,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39574180466373776 [2023-11-06 23:13:07,254 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2342 transitions. [2023-11-06 23:13:07,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2342 transitions. [2023-11-06 23:13:07,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:07,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2342 transitions. [2023-11-06 23:13:07,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.9090909090909) internal successors, (2342), 11 states have internal predecessors, (2342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:07,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:07,274 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:07,275 INFO L175 Difference]: Start difference. First operand has 125 places, 224 transitions, 2291 flow. Second operand 11 states and 2342 transitions. [2023-11-06 23:13:07,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 385 transitions, 4647 flow [2023-11-06 23:13:07,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 385 transitions, 4627 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:13:07,380 INFO L231 Difference]: Finished difference. Result has 136 places, 308 transitions, 3980 flow [2023-11-06 23:13:07,381 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=2281, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3980, PETRI_PLACES=136, PETRI_TRANSITIONS=308} [2023-11-06 23:13:07,382 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 49 predicate places. [2023-11-06 23:13:07,382 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 308 transitions, 3980 flow [2023-11-06 23:13:07,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:07,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:07,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:07,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 23:13:07,383 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:07,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:07,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2022354265, now seen corresponding path program 3 times [2023-11-06 23:13:07,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:07,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472836723] [2023-11-06 23:13:07,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:07,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:08,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:08,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472836723] [2023-11-06 23:13:08,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472836723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:08,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:08,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:08,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940253321] [2023-11-06 23:13:08,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:08,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:08,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:09,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:09,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 308 transitions, 3980 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:09,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:09,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:09,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:11,904 INFO L124 PetriNetUnfolderBase]: 2013/3555 cut-off events. [2023-11-06 23:13:11,905 INFO L125 PetriNetUnfolderBase]: For 30962/30962 co-relation queries the response was YES. [2023-11-06 23:13:11,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21165 conditions, 3555 events. 2013/3555 cut-off events. For 30962/30962 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 21101 event pairs, 340 based on Foata normal form. 24/3573 useless extension candidates. Maximal degree in co-relation 21131. Up to 2438 conditions per place. [2023-11-06 23:13:11,936 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 182 selfloop transitions, 184 changer transitions 0/385 dead transitions. [2023-11-06 23:13:11,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 385 transitions, 5373 flow [2023-11-06 23:13:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:13:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 23:13:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2128 transitions. [2023-11-06 23:13:11,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39553903345724906 [2023-11-06 23:13:11,945 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2128 transitions. [2023-11-06 23:13:11,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2128 transitions. [2023-11-06 23:13:11,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:11,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2128 transitions. [2023-11-06 23:13:11,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 212.8) internal successors, (2128), 10 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:11,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 538.0) internal successors, (5918), 11 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:11,963 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 538.0) internal successors, (5918), 11 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:11,963 INFO L175 Difference]: Start difference. First operand has 136 places, 308 transitions, 3980 flow. Second operand 10 states and 2128 transitions. [2023-11-06 23:13:11,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 385 transitions, 5373 flow [2023-11-06 23:13:12,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 385 transitions, 5208 flow, removed 75 selfloop flow, removed 2 redundant places. [2023-11-06 23:13:12,286 INFO L231 Difference]: Finished difference. Result has 146 places, 333 transitions, 4871 flow [2023-11-06 23:13:12,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=3821, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4871, PETRI_PLACES=146, PETRI_TRANSITIONS=333} [2023-11-06 23:13:12,287 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 59 predicate places. [2023-11-06 23:13:12,287 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 333 transitions, 4871 flow [2023-11-06 23:13:12,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:12,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:12,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:12,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 23:13:12,289 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:12,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:12,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1622526030, now seen corresponding path program 3 times [2023-11-06 23:13:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:12,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735440405] [2023-11-06 23:13:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:12,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:12,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735440405] [2023-11-06 23:13:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735440405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:12,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:12,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:12,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346207965] [2023-11-06 23:13:12,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:12,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:12,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:12,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:12,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:14,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:14,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 333 transitions, 4871 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:14,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:14,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:14,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:16,635 INFO L124 PetriNetUnfolderBase]: 2194/3887 cut-off events. [2023-11-06 23:13:16,635 INFO L125 PetriNetUnfolderBase]: For 41371/41371 co-relation queries the response was YES. [2023-11-06 23:13:16,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24574 conditions, 3887 events. 2194/3887 cut-off events. For 41371/41371 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 23630 event pairs, 241 based on Foata normal form. 24/3905 useless extension candidates. Maximal degree in co-relation 24538. Up to 2391 conditions per place. [2023-11-06 23:13:16,669 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 218 selfloop transitions, 220 changer transitions 0/457 dead transitions. [2023-11-06 23:13:16,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 457 transitions, 7286 flow [2023-11-06 23:13:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2336 transitions. [2023-11-06 23:13:16,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39472794863129435 [2023-11-06 23:13:16,679 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2336 transitions. [2023-11-06 23:13:16,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2336 transitions. [2023-11-06 23:13:16,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:16,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2336 transitions. [2023-11-06 23:13:16,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.36363636363637) internal successors, (2336), 11 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:16,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:16,699 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:16,700 INFO L175 Difference]: Start difference. First operand has 146 places, 333 transitions, 4871 flow. Second operand 11 states and 2336 transitions. [2023-11-06 23:13:16,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 457 transitions, 7286 flow [2023-11-06 23:13:17,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 457 transitions, 7114 flow, removed 11 selfloop flow, removed 6 redundant places. [2023-11-06 23:13:17,107 INFO L231 Difference]: Finished difference. Result has 155 places, 391 transitions, 6498 flow [2023-11-06 23:13:17,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=4728, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6498, PETRI_PLACES=155, PETRI_TRANSITIONS=391} [2023-11-06 23:13:17,109 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 68 predicate places. [2023-11-06 23:13:17,109 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 391 transitions, 6498 flow [2023-11-06 23:13:17,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:17,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:17,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:17,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 23:13:17,110 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:17,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:17,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2022369300, now seen corresponding path program 4 times [2023-11-06 23:13:17,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:17,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168040028] [2023-11-06 23:13:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:17,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:17,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:17,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168040028] [2023-11-06 23:13:17,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168040028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:17,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:17,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376213417] [2023-11-06 23:13:17,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:17,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:17,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:18,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:18,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 391 transitions, 6498 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:18,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:18,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:18,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:21,386 INFO L124 PetriNetUnfolderBase]: 2322/4134 cut-off events. [2023-11-06 23:13:21,386 INFO L125 PetriNetUnfolderBase]: For 54280/54280 co-relation queries the response was YES. [2023-11-06 23:13:21,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28232 conditions, 4134 events. 2322/4134 cut-off events. For 54280/54280 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 25712 event pairs, 256 based on Foata normal form. 24/4152 useless extension candidates. Maximal degree in co-relation 28191. Up to 2832 conditions per place. [2023-11-06 23:13:21,419 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 201 selfloop transitions, 249 changer transitions 0/469 dead transitions. [2023-11-06 23:13:21,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 469 transitions, 8340 flow [2023-11-06 23:13:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:13:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 23:13:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2123 transitions. [2023-11-06 23:13:21,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3946096654275093 [2023-11-06 23:13:21,428 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2123 transitions. [2023-11-06 23:13:21,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2123 transitions. [2023-11-06 23:13:21,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:21,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2123 transitions. [2023-11-06 23:13:21,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 212.3) internal successors, (2123), 10 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:21,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 538.0) internal successors, (5918), 11 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:21,445 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 538.0) internal successors, (5918), 11 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:21,445 INFO L175 Difference]: Start difference. First operand has 155 places, 391 transitions, 6498 flow. Second operand 10 states and 2123 transitions. [2023-11-06 23:13:21,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 469 transitions, 8340 flow [2023-11-06 23:13:21,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 469 transitions, 8193 flow, removed 54 selfloop flow, removed 4 redundant places. [2023-11-06 23:13:21,725 INFO L231 Difference]: Finished difference. Result has 163 places, 422 transitions, 7925 flow [2023-11-06 23:13:21,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=6365, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7925, PETRI_PLACES=163, PETRI_TRANSITIONS=422} [2023-11-06 23:13:21,726 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 76 predicate places. [2023-11-06 23:13:21,726 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 422 transitions, 7925 flow [2023-11-06 23:13:21,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:21,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:21,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:21,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 23:13:21,728 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:21,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:21,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1604982355, now seen corresponding path program 4 times [2023-11-06 23:13:21,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:21,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564451804] [2023-11-06 23:13:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:21,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:22,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564451804] [2023-11-06 23:13:22,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564451804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:22,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:22,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:22,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842874363] [2023-11-06 23:13:22,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:22,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:22,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:23,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:23,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 422 transitions, 7925 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:23,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:23,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:23,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:26,495 INFO L124 PetriNetUnfolderBase]: 2496/4454 cut-off events. [2023-11-06 23:13:26,496 INFO L125 PetriNetUnfolderBase]: For 73784/73784 co-relation queries the response was YES. [2023-11-06 23:13:26,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32461 conditions, 4454 events. 2496/4454 cut-off events. For 73784/73784 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 28231 event pairs, 442 based on Foata normal form. 24/4472 useless extension candidates. Maximal degree in co-relation 32417. Up to 2662 conditions per place. [2023-11-06 23:13:26,533 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 259 selfloop transitions, 280 changer transitions 0/558 dead transitions. [2023-11-06 23:13:26,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 558 transitions, 11112 flow [2023-11-06 23:13:26,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2341 transitions. [2023-11-06 23:13:26,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39557282865833054 [2023-11-06 23:13:26,540 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2341 transitions. [2023-11-06 23:13:26,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2341 transitions. [2023-11-06 23:13:26,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:26,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2341 transitions. [2023-11-06 23:13:26,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.8181818181818) internal successors, (2341), 11 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:26,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:26,556 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:26,556 INFO L175 Difference]: Start difference. First operand has 163 places, 422 transitions, 7925 flow. Second operand 11 states and 2341 transitions. [2023-11-06 23:13:26,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 558 transitions, 11112 flow [2023-11-06 23:13:26,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 558 transitions, 10911 flow, removed 12 selfloop flow, removed 6 redundant places. [2023-11-06 23:13:26,913 INFO L231 Difference]: Finished difference. Result has 172 places, 487 transitions, 10142 flow [2023-11-06 23:13:26,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=7760, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10142, PETRI_PLACES=172, PETRI_TRANSITIONS=487} [2023-11-06 23:13:26,914 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 85 predicate places. [2023-11-06 23:13:26,914 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 487 transitions, 10142 flow [2023-11-06 23:13:26,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:26,915 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:26,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:26,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 23:13:26,916 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:26,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:26,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2013979770, now seen corresponding path program 5 times [2023-11-06 23:13:26,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:26,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719325748] [2023-11-06 23:13:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:27,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719325748] [2023-11-06 23:13:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719325748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938665453] [2023-11-06 23:13:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:27,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:27,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:27,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:28,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:28,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 487 transitions, 10142 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:28,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:28,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:28,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:31,519 INFO L124 PetriNetUnfolderBase]: 2532/4553 cut-off events. [2023-11-06 23:13:31,520 INFO L125 PetriNetUnfolderBase]: For 89277/89277 co-relation queries the response was YES. [2023-11-06 23:13:31,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35324 conditions, 4553 events. 2532/4553 cut-off events. For 89277/89277 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 29248 event pairs, 281 based on Foata normal form. 24/4571 useless extension candidates. Maximal degree in co-relation 35275. Up to 2937 conditions per place. [2023-11-06 23:13:31,560 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 242 selfloop transitions, 314 changer transitions 0/575 dead transitions. [2023-11-06 23:13:31,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 575 transitions, 12478 flow [2023-11-06 23:13:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2333 transitions. [2023-11-06 23:13:31,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39422102061507264 [2023-11-06 23:13:31,565 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2333 transitions. [2023-11-06 23:13:31,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2333 transitions. [2023-11-06 23:13:31,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:31,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2333 transitions. [2023-11-06 23:13:31,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.0909090909091) internal successors, (2333), 11 states have internal predecessors, (2333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:31,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:31,578 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:31,578 INFO L175 Difference]: Start difference. First operand has 172 places, 487 transitions, 10142 flow. Second operand 11 states and 2333 transitions. [2023-11-06 23:13:31,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 575 transitions, 12478 flow [2023-11-06 23:13:32,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 575 transitions, 12257 flow, removed 91 selfloop flow, removed 4 redundant places. [2023-11-06 23:13:32,151 INFO L231 Difference]: Finished difference. Result has 182 places, 527 transitions, 11881 flow [2023-11-06 23:13:32,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=9939, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11881, PETRI_PLACES=182, PETRI_TRANSITIONS=527} [2023-11-06 23:13:32,152 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 95 predicate places. [2023-11-06 23:13:32,152 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 527 transitions, 11881 flow [2023-11-06 23:13:32,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:32,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:32,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:32,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 23:13:32,153 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:32,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:32,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2013416965, now seen corresponding path program 5 times [2023-11-06 23:13:32,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759618847] [2023-11-06 23:13:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:32,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:32,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759618847] [2023-11-06 23:13:32,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759618847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:32,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:32,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:13:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855549141] [2023-11-06 23:13:32,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:32,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:13:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:13:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:34,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 538 [2023-11-06 23:13:34,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 527 transitions, 11881 flow. Second operand has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:34,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:34,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 538 [2023-11-06 23:13:34,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:36,627 INFO L124 PetriNetUnfolderBase]: 2557/4634 cut-off events. [2023-11-06 23:13:36,627 INFO L125 PetriNetUnfolderBase]: For 100259/100259 co-relation queries the response was YES. [2023-11-06 23:13:36,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37718 conditions, 4634 events. 2557/4634 cut-off events. For 100259/100259 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 30210 event pairs, 251 based on Foata normal form. 24/4652 useless extension candidates. Maximal degree in co-relation 37665. Up to 2961 conditions per place. [2023-11-06 23:13:36,672 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 255 selfloop transitions, 344 changer transitions 0/618 dead transitions. [2023-11-06 23:13:36,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 618 transitions, 14405 flow [2023-11-06 23:13:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 23:13:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2338 transitions. [2023-11-06 23:13:36,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39506590064210884 [2023-11-06 23:13:36,676 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2338 transitions. [2023-11-06 23:13:36,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2338 transitions. [2023-11-06 23:13:36,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:36,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2338 transitions. [2023-11-06 23:13:36,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 212.54545454545453) internal successors, (2338), 11 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:36,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:36,686 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 538.0) internal successors, (6456), 12 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:36,686 INFO L175 Difference]: Start difference. First operand has 182 places, 527 transitions, 11881 flow. Second operand 11 states and 2338 transitions. [2023-11-06 23:13:36,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 618 transitions, 14405 flow [2023-11-06 23:13:37,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 618 transitions, 14222 flow, removed 72 selfloop flow, removed 4 redundant places. [2023-11-06 23:13:37,226 INFO L231 Difference]: Finished difference. Result has 192 places, 568 transitions, 13852 flow [2023-11-06 23:13:37,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=11718, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13852, PETRI_PLACES=192, PETRI_TRANSITIONS=568} [2023-11-06 23:13:37,227 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 105 predicate places. [2023-11-06 23:13:37,227 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 568 transitions, 13852 flow [2023-11-06 23:13:37,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 201.1818181818182) internal successors, (2213), 11 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:37,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:37,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:37,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 23:13:37,228 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:37,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1920478147, now seen corresponding path program 1 times [2023-11-06 23:13:37,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:37,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170336442] [2023-11-06 23:13:37,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:37,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:37,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:37,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170336442] [2023-11-06 23:13:37,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170336442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:37,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:37,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:13:37,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600979969] [2023-11-06 23:13:37,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:37,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:13:37,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:37,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:13:37,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:13:39,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:13:39,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 568 transitions, 13852 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:39,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:39,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:13:39,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:43,282 INFO L124 PetriNetUnfolderBase]: 4134/7442 cut-off events. [2023-11-06 23:13:43,282 INFO L125 PetriNetUnfolderBase]: For 176155/176160 co-relation queries the response was YES. [2023-11-06 23:13:43,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62067 conditions, 7442 events. 4134/7442 cut-off events. For 176155/176160 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 52812 event pairs, 591 based on Foata normal form. 17/7452 useless extension candidates. Maximal degree in co-relation 62010. Up to 3707 conditions per place. [2023-11-06 23:13:43,370 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 625 selfloop transitions, 216 changer transitions 0/860 dead transitions. [2023-11-06 23:13:43,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 860 transitions, 20826 flow [2023-11-06 23:13:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:13:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 23:13:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3225 transitions. [2023-11-06 23:13:43,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3996282527881041 [2023-11-06 23:13:43,379 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3225 transitions. [2023-11-06 23:13:43,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3225 transitions. [2023-11-06 23:13:43,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:43,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3225 transitions. [2023-11-06 23:13:43,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 215.0) internal successors, (3225), 15 states have internal predecessors, (3225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:43,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 538.0) internal successors, (8608), 16 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:43,393 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 538.0) internal successors, (8608), 16 states have internal predecessors, (8608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:43,393 INFO L175 Difference]: Start difference. First operand has 192 places, 568 transitions, 13852 flow. Second operand 15 states and 3225 transitions. [2023-11-06 23:13:43,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 860 transitions, 20826 flow [2023-11-06 23:13:44,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 860 transitions, 20497 flow, removed 60 selfloop flow, removed 6 redundant places. [2023-11-06 23:13:44,659 INFO L231 Difference]: Finished difference. Result has 211 places, 643 transitions, 16553 flow [2023-11-06 23:13:44,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=13613, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16553, PETRI_PLACES=211, PETRI_TRANSITIONS=643} [2023-11-06 23:13:44,660 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 124 predicate places. [2023-11-06 23:13:44,661 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 643 transitions, 16553 flow [2023-11-06 23:13:44,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:44,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:44,661 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:44,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 23:13:44,662 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:44,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:44,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1933910305, now seen corresponding path program 2 times [2023-11-06 23:13:44,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:44,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506579526] [2023-11-06 23:13:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:45,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:45,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506579526] [2023-11-06 23:13:45,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506579526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:45,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:45,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:13:45,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733166917] [2023-11-06 23:13:45,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:45,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:13:45,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:45,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:13:45,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:13:47,044 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:13:47,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 643 transitions, 16553 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:47,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:47,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:13:47,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:13:52,104 INFO L124 PetriNetUnfolderBase]: 5251/9394 cut-off events. [2023-11-06 23:13:52,104 INFO L125 PetriNetUnfolderBase]: For 255330/255340 co-relation queries the response was YES. [2023-11-06 23:13:52,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81532 conditions, 9394 events. 5251/9394 cut-off events. For 255330/255340 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 69188 event pairs, 587 based on Foata normal form. 18/9405 useless extension candidates. Maximal degree in co-relation 81465. Up to 4270 conditions per place. [2023-11-06 23:13:52,208 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 702 selfloop transitions, 231 changer transitions 0/952 dead transitions. [2023-11-06 23:13:52,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 952 transitions, 23750 flow [2023-11-06 23:13:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 23:13:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 23:13:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3647 transitions. [2023-11-06 23:13:52,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39875355346599606 [2023-11-06 23:13:52,213 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3647 transitions. [2023-11-06 23:13:52,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3647 transitions. [2023-11-06 23:13:52,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:52,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3647 transitions. [2023-11-06 23:13:52,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 214.52941176470588) internal successors, (3647), 17 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:52,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 538.0) internal successors, (9684), 18 states have internal predecessors, (9684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:52,228 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 538.0) internal successors, (9684), 18 states have internal predecessors, (9684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:52,228 INFO L175 Difference]: Start difference. First operand has 211 places, 643 transitions, 16553 flow. Second operand 17 states and 3647 transitions. [2023-11-06 23:13:52,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 952 transitions, 23750 flow [2023-11-06 23:13:55,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 952 transitions, 23670 flow, removed 32 selfloop flow, removed 3 redundant places. [2023-11-06 23:13:55,177 INFO L231 Difference]: Finished difference. Result has 234 places, 718 transitions, 19519 flow [2023-11-06 23:13:55,178 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=16488, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=643, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19519, PETRI_PLACES=234, PETRI_TRANSITIONS=718} [2023-11-06 23:13:55,178 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 147 predicate places. [2023-11-06 23:13:55,179 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 718 transitions, 19519 flow [2023-11-06 23:13:55,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:55,179 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:13:55,179 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:55,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 23:13:55,179 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:13:55,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:55,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1986741251, now seen corresponding path program 3 times [2023-11-06 23:13:55,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:55,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80058059] [2023-11-06 23:13:55,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:55,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:55,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:55,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80058059] [2023-11-06 23:13:55,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80058059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:55,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:55,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:13:55,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342659402] [2023-11-06 23:13:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:55,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:13:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:13:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:13:57,782 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:13:57,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 718 transitions, 19519 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:57,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:13:57,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:13:57,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:14:03,364 INFO L124 PetriNetUnfolderBase]: 5366/9707 cut-off events. [2023-11-06 23:14:03,364 INFO L125 PetriNetUnfolderBase]: For 304788/304788 co-relation queries the response was YES. [2023-11-06 23:14:03,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87118 conditions, 9707 events. 5366/9707 cut-off events. For 304788/304788 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 72382 event pairs, 900 based on Foata normal form. 16/9706 useless extension candidates. Maximal degree in co-relation 87040. Up to 5411 conditions per place. [2023-11-06 23:14:03,573 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 632 selfloop transitions, 285 changer transitions 0/936 dead transitions. [2023-11-06 23:14:03,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 936 transitions, 24937 flow [2023-11-06 23:14:03,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 23:14:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2812 transitions. [2023-11-06 23:14:03,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4020589076351158 [2023-11-06 23:14:03,580 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2812 transitions. [2023-11-06 23:14:03,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2812 transitions. [2023-11-06 23:14:03,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:14:03,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2812 transitions. [2023-11-06 23:14:03,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 216.30769230769232) internal successors, (2812), 13 states have internal predecessors, (2812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:03,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 538.0) internal successors, (7532), 14 states have internal predecessors, (7532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:03,593 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 538.0) internal successors, (7532), 14 states have internal predecessors, (7532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:03,593 INFO L175 Difference]: Start difference. First operand has 234 places, 718 transitions, 19519 flow. Second operand 13 states and 2812 transitions. [2023-11-06 23:14:03,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 936 transitions, 24937 flow [2023-11-06 23:14:08,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 936 transitions, 24856 flow, removed 30 selfloop flow, removed 5 redundant places. [2023-11-06 23:14:08,741 INFO L231 Difference]: Finished difference. Result has 247 places, 764 transitions, 21371 flow [2023-11-06 23:14:08,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=19440, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21371, PETRI_PLACES=247, PETRI_TRANSITIONS=764} [2023-11-06 23:14:08,742 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 160 predicate places. [2023-11-06 23:14:08,742 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 764 transitions, 21371 flow [2023-11-06 23:14:08,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:08,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:14:08,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:08,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 23:14:08,743 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:14:08,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1180200849, now seen corresponding path program 4 times [2023-11-06 23:14:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364174074] [2023-11-06 23:14:08,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:08,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:14:09,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364174074] [2023-11-06 23:14:09,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364174074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:09,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:09,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:14:09,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389224699] [2023-11-06 23:14:09,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:09,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:14:09,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:09,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:14:09,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:10,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:14:10,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 764 transitions, 21371 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:10,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:14:10,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:14:10,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:14:17,842 INFO L124 PetriNetUnfolderBase]: 5571/10093 cut-off events. [2023-11-06 23:14:17,842 INFO L125 PetriNetUnfolderBase]: For 344112/344117 co-relation queries the response was YES. [2023-11-06 23:14:17,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92337 conditions, 10093 events. 5571/10093 cut-off events. For 344112/344117 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 75395 event pairs, 693 based on Foata normal form. 17/10093 useless extension candidates. Maximal degree in co-relation 92253. Up to 4507 conditions per place. [2023-11-06 23:14:17,987 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 841 selfloop transitions, 291 changer transitions 0/1151 dead transitions. [2023-11-06 23:14:17,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 1151 transitions, 29857 flow [2023-11-06 23:14:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 23:14:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-06 23:14:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 4099 transitions. [2023-11-06 23:14:17,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40099784777929953 [2023-11-06 23:14:17,996 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 4099 transitions. [2023-11-06 23:14:17,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 4099 transitions. [2023-11-06 23:14:17,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:14:18,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 4099 transitions. [2023-11-06 23:14:18,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 215.73684210526315) internal successors, (4099), 19 states have internal predecessors, (4099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:18,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 538.0) internal successors, (10760), 20 states have internal predecessors, (10760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:18,020 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 538.0) internal successors, (10760), 20 states have internal predecessors, (10760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:18,020 INFO L175 Difference]: Start difference. First operand has 247 places, 764 transitions, 21371 flow. Second operand 19 states and 4099 transitions. [2023-11-06 23:14:18,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 1151 transitions, 29857 flow [2023-11-06 23:14:22,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 1151 transitions, 29385 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-06 23:14:22,904 INFO L231 Difference]: Finished difference. Result has 270 places, 841 transitions, 23792 flow [2023-11-06 23:14:22,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=20941, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=23792, PETRI_PLACES=270, PETRI_TRANSITIONS=841} [2023-11-06 23:14:22,905 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 183 predicate places. [2023-11-06 23:14:22,905 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 841 transitions, 23792 flow [2023-11-06 23:14:22,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:22,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:14:22,905 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:22,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 23:14:22,905 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:14:22,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:22,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1694778873, now seen corresponding path program 5 times [2023-11-06 23:14:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:22,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697193694] [2023-11-06 23:14:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:14:23,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:23,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697193694] [2023-11-06 23:14:23,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697193694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:23,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:23,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:14:23,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465983833] [2023-11-06 23:14:23,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:23,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:14:23,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:14:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:25,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:14:25,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 841 transitions, 23792 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:25,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:14:25,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:14:25,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:14:30,955 INFO L124 PetriNetUnfolderBase]: 5748/10473 cut-off events. [2023-11-06 23:14:30,955 INFO L125 PetriNetUnfolderBase]: For 383388/383388 co-relation queries the response was YES. [2023-11-06 23:14:31,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98023 conditions, 10473 events. 5748/10473 cut-off events. For 383388/383388 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 79022 event pairs, 1169 based on Foata normal form. 16/10467 useless extension candidates. Maximal degree in co-relation 97928. Up to 5753 conditions per place. [2023-11-06 23:14:31,118 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 718 selfloop transitions, 305 changer transitions 0/1042 dead transitions. [2023-11-06 23:14:31,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 1042 transitions, 28877 flow [2023-11-06 23:14:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:14:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 23:14:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3027 transitions. [2023-11-06 23:14:31,125 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40188528943175783 [2023-11-06 23:14:31,126 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3027 transitions. [2023-11-06 23:14:31,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3027 transitions. [2023-11-06 23:14:31,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:14:31,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3027 transitions. [2023-11-06 23:14:31,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 216.21428571428572) internal successors, (3027), 14 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:31,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:31,142 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:31,142 INFO L175 Difference]: Start difference. First operand has 270 places, 841 transitions, 23792 flow. Second operand 14 states and 3027 transitions. [2023-11-06 23:14:31,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 1042 transitions, 28877 flow [2023-11-06 23:14:36,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 1042 transitions, 28636 flow, removed 97 selfloop flow, removed 4 redundant places. [2023-11-06 23:14:36,153 INFO L231 Difference]: Finished difference. Result has 285 places, 866 transitions, 24878 flow [2023-11-06 23:14:36,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=23558, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24878, PETRI_PLACES=285, PETRI_TRANSITIONS=866} [2023-11-06 23:14:36,154 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 198 predicate places. [2023-11-06 23:14:36,154 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 866 transitions, 24878 flow [2023-11-06 23:14:36,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:36,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:14:36,155 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 23:14:36,155 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:14:36,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:36,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1112423535, now seen corresponding path program 6 times [2023-11-06 23:14:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586153690] [2023-11-06 23:14:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:36,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:14:36,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:36,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586153690] [2023-11-06 23:14:36,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586153690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:36,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:36,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:14:36,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379892862] [2023-11-06 23:14:36,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:36,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:14:36,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:36,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:14:36,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:38,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:14:38,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 866 transitions, 24878 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:38,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:14:38,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:14:38,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:14:45,926 INFO L124 PetriNetUnfolderBase]: 5894/10767 cut-off events. [2023-11-06 23:14:45,926 INFO L125 PetriNetUnfolderBase]: For 421996/421996 co-relation queries the response was YES. [2023-11-06 23:14:46,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101789 conditions, 10767 events. 5894/10767 cut-off events. For 421996/421996 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 82214 event pairs, 1307 based on Foata normal form. 16/10761 useless extension candidates. Maximal degree in co-relation 101689. Up to 5753 conditions per place. [2023-11-06 23:14:46,078 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 705 selfloop transitions, 325 changer transitions 0/1049 dead transitions. [2023-11-06 23:14:46,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 1049 transitions, 29750 flow [2023-11-06 23:14:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:14:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 23:14:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3024 transitions. [2023-11-06 23:14:46,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40148698884758366 [2023-11-06 23:14:46,083 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3024 transitions. [2023-11-06 23:14:46,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3024 transitions. [2023-11-06 23:14:46,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:14:46,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3024 transitions. [2023-11-06 23:14:46,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 216.0) internal successors, (3024), 14 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:46,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:46,094 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:46,095 INFO L175 Difference]: Start difference. First operand has 285 places, 866 transitions, 24878 flow. Second operand 14 states and 3024 transitions. [2023-11-06 23:14:46,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 1049 transitions, 29750 flow [2023-11-06 23:14:51,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1049 transitions, 29016 flow, removed 28 selfloop flow, removed 7 redundant places. [2023-11-06 23:14:51,683 INFO L231 Difference]: Finished difference. Result has 296 places, 880 transitions, 25375 flow [2023-11-06 23:14:51,684 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=24144, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=25375, PETRI_PLACES=296, PETRI_TRANSITIONS=880} [2023-11-06 23:14:51,685 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 209 predicate places. [2023-11-06 23:14:51,685 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 880 transitions, 25375 flow [2023-11-06 23:14:51,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:51,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:14:51,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:51,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 23:14:51,686 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:14:51,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:51,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1520858145, now seen corresponding path program 7 times [2023-11-06 23:14:51,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:51,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848139838] [2023-11-06 23:14:51,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:14:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:52,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848139838] [2023-11-06 23:14:52,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848139838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:52,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:14:52,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230494425] [2023-11-06 23:14:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:52,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:14:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:52,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:14:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:54,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:14:54,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 880 transitions, 25375 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:14:54,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:14:54,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:14:54,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:15:01,279 INFO L124 PetriNetUnfolderBase]: 5954/10919 cut-off events. [2023-11-06 23:15:01,279 INFO L125 PetriNetUnfolderBase]: For 433701/433701 co-relation queries the response was YES. [2023-11-06 23:15:01,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103335 conditions, 10919 events. 5954/10919 cut-off events. For 433701/433701 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 83961 event pairs, 854 based on Foata normal form. 16/10913 useless extension candidates. Maximal degree in co-relation 103230. Up to 5753 conditions per place. [2023-11-06 23:15:01,459 INFO L140 encePairwiseOnDemand]: 521/538 looper letters, 717 selfloop transitions, 328 changer transitions 0/1064 dead transitions. [2023-11-06 23:15:01,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 1064 transitions, 30274 flow [2023-11-06 23:15:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:15:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 23:15:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3025 transitions. [2023-11-06 23:15:01,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.401619755708975 [2023-11-06 23:15:01,469 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3025 transitions. [2023-11-06 23:15:01,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3025 transitions. [2023-11-06 23:15:01,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:15:01,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3025 transitions. [2023-11-06 23:15:01,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 216.07142857142858) internal successors, (3025), 14 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:01,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:01,486 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 538.0) internal successors, (8070), 15 states have internal predecessors, (8070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:01,486 INFO L175 Difference]: Start difference. First operand has 296 places, 880 transitions, 25375 flow. Second operand 14 states and 3025 transitions. [2023-11-06 23:15:01,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 1064 transitions, 30274 flow [2023-11-06 23:15:07,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 1064 transitions, 29742 flow, removed 20 selfloop flow, removed 8 redundant places. [2023-11-06 23:15:07,172 INFO L231 Difference]: Finished difference. Result has 306 places, 899 transitions, 26183 flow [2023-11-06 23:15:07,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=24847, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=26183, PETRI_PLACES=306, PETRI_TRANSITIONS=899} [2023-11-06 23:15:07,173 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 219 predicate places. [2023-11-06 23:15:07,174 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 899 transitions, 26183 flow [2023-11-06 23:15:07,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:07,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:15:07,174 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:07,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 23:15:07,175 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:15:07,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:07,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1950970897, now seen corresponding path program 8 times [2023-11-06 23:15:07,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:07,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818750349] [2023-11-06 23:15:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:15:07,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:07,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818750349] [2023-11-06 23:15:07,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818750349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:07,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:07,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:15:07,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130520011] [2023-11-06 23:15:07,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:07,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:15:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:07,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:15:07,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:15:09,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:15:09,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 899 transitions, 26183 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:09,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:15:09,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:15:09,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:15:17,340 INFO L124 PetriNetUnfolderBase]: 6374/11669 cut-off events. [2023-11-06 23:15:17,340 INFO L125 PetriNetUnfolderBase]: For 484751/484761 co-relation queries the response was YES. [2023-11-06 23:15:17,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111494 conditions, 11669 events. 6374/11669 cut-off events. For 484751/484761 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 90969 event pairs, 939 based on Foata normal form. 34/11691 useless extension candidates. Maximal degree in co-relation 111384. Up to 5297 conditions per place. [2023-11-06 23:15:17,515 INFO L140 encePairwiseOnDemand]: 523/538 looper letters, 709 selfloop transitions, 357 changer transitions 0/1085 dead transitions. [2023-11-06 23:15:17,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 1085 transitions, 31067 flow [2023-11-06 23:15:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 23:15:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-11-06 23:15:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4267 transitions. [2023-11-06 23:15:17,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3965613382899628 [2023-11-06 23:15:17,521 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4267 transitions. [2023-11-06 23:15:17,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4267 transitions. [2023-11-06 23:15:17,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:15:17,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4267 transitions. [2023-11-06 23:15:17,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 213.35) internal successors, (4267), 20 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:17,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 538.0) internal successors, (11298), 21 states have internal predecessors, (11298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:17,534 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 538.0) internal successors, (11298), 21 states have internal predecessors, (11298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:17,534 INFO L175 Difference]: Start difference. First operand has 306 places, 899 transitions, 26183 flow. Second operand 20 states and 4267 transitions. [2023-11-06 23:15:17,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 1085 transitions, 31067 flow [2023-11-06 23:15:23,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 1085 transitions, 30507 flow, removed 30 selfloop flow, removed 6 redundant places. [2023-11-06 23:15:23,399 INFO L231 Difference]: Finished difference. Result has 325 places, 969 transitions, 28522 flow [2023-11-06 23:15:23,400 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=25667, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=899, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=28522, PETRI_PLACES=325, PETRI_TRANSITIONS=969} [2023-11-06 23:15:23,400 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 238 predicate places. [2023-11-06 23:15:23,400 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 969 transitions, 28522 flow [2023-11-06 23:15:23,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:23,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:15:23,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:23,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 23:15:23,401 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-06 23:15:23,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:23,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1835491251, now seen corresponding path program 9 times [2023-11-06 23:15:23,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:23,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023311996] [2023-11-06 23:15:23,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:23,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:15:23,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:23,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023311996] [2023-11-06 23:15:23,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023311996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:23,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:23,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:15:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446183177] [2023-11-06 23:15:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:23,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:15:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:15:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:15:25,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 538 [2023-11-06 23:15:25,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 969 transitions, 28522 flow. Second operand has 13 states, 13 states have (on average 204.15384615384616) internal successors, (2654), 13 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:15:25,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:15:25,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 538 [2023-11-06 23:15:25,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand