./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:50,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:50,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:50:50,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:50,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:50,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:50,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:50,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:50,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:50,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:50,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:50,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:50,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:50,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:50,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:50,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:50,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:50,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:50,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:50,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:50,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:50,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:50,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2024-11-27 19:50:51,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:51,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:51,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:51,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:51,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:51,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-27 19:50:54,796 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/data/de63606ad/a188e4bdb51e4976a40d8acfefd891e3/FLAG9b22f64ee [2024-11-27 19:50:55,161 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:55,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-27 19:50:55,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/data/de63606ad/a188e4bdb51e4976a40d8acfefd891e3/FLAG9b22f64ee [2024-11-27 19:50:55,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/data/de63606ad/a188e4bdb51e4976a40d8acfefd891e3 [2024-11-27 19:50:55,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:55,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:55,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:55,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:55,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:55,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:55" (1/1) ... [2024-11-27 19:50:55,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34970fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:55, skipping insertion in model container [2024-11-27 19:50:55,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:55" (1/1) ... [2024-11-27 19:50:55,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:55,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:55,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:56,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:56,061 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:56,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56 WrapperNode [2024-11-27 19:50:56,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:56,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:56,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:56,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:56,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,138 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 175 [2024-11-27 19:50:56,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:56,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:56,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:56,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:56,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:56,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:56,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:56,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:56,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (1/1) ... [2024-11-27 19:50:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:56,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:56,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:56,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 19:50:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-11-27 19:50:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-11-27 19:50:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 19:50:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 19:50:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 19:50:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:56,284 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:50:56,484 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:56,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:57,089 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:50:57,093 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:57,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:57,149 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 19:50:57,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:57 BoogieIcfgContainer [2024-11-27 19:50:57,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:57,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:57,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:57,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:57,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:55" (1/3) ... [2024-11-27 19:50:57,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541c80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:57, skipping insertion in model container [2024-11-27 19:50:57,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:56" (2/3) ... [2024-11-27 19:50:57,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541c80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:57, skipping insertion in model container [2024-11-27 19:50:57,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:57" (3/3) ... [2024-11-27 19:50:57,172 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-11-27 19:50:57,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:57,196 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i that has 2 procedures, 197 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2024-11-27 19:50:57,197 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:50:57,393 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:50:57,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 208 transitions, 420 flow [2024-11-27 19:50:57,658 INFO L124 PetriNetUnfolderBase]: 12/207 cut-off events. [2024-11-27 19:50:57,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:57,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 207 events. 12/207 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 415 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2024-11-27 19:50:57,676 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 208 transitions, 420 flow [2024-11-27 19:50:57,683 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 207 transitions, 417 flow [2024-11-27 19:50:57,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:57,712 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20b614f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:57,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-27 19:50:57,724 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:50:57,724 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-11-27 19:50:57,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:57,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:57,725 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:57,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:50:57,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1913140477, now seen corresponding path program 1 times [2024-11-27 19:50:57,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470891462] [2024-11-27 19:50:57,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:58,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470891462] [2024-11-27 19:50:58,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470891462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:58,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:58,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:58,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399774964] [2024-11-27 19:50:58,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:58,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:50:58,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:58,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:50:58,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:50:59,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 208 [2024-11-27 19:50:59,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 207 transitions, 417 flow. Second operand has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:59,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:59,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 208 [2024-11-27 19:50:59,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:00,052 INFO L124 PetriNetUnfolderBase]: 479/1990 cut-off events. [2024-11-27 19:51:00,053 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:51:00,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2876 conditions, 1990 events. 479/1990 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 14180 event pairs, 378 based on Foata normal form. 151/1947 useless extension candidates. Maximal degree in co-relation 2817. Up to 877 conditions per place. [2024-11-27 19:51:00,079 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 47 selfloop transitions, 5 changer transitions 0/192 dead transitions. [2024-11-27 19:51:00,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 192 transitions, 491 flow [2024-11-27 19:51:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:51:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:51:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 931 transitions. [2024-11-27 19:51:00,109 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7459935897435898 [2024-11-27 19:51:00,110 INFO L175 Difference]: Start difference. First operand has 199 places, 207 transitions, 417 flow. Second operand 6 states and 931 transitions. [2024-11-27 19:51:00,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 192 transitions, 491 flow [2024-11-27 19:51:00,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 192 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:51:00,127 INFO L231 Difference]: Finished difference. Result has 195 places, 192 transitions, 396 flow [2024-11-27 19:51:00,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=195, PETRI_TRANSITIONS=192} [2024-11-27 19:51:00,136 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, -4 predicate places. [2024-11-27 19:51:00,137 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 192 transitions, 396 flow [2024-11-27 19:51:00,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:00,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:00,139 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:00,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:51:00,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:00,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:00,142 INFO L85 PathProgramCache]: Analyzing trace with hash 620909623, now seen corresponding path program 1 times [2024-11-27 19:51:00,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:00,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870702327] [2024-11-27 19:51:00,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:00,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:00,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870702327] [2024-11-27 19:51:00,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870702327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:00,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:00,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:51:00,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860321327] [2024-11-27 19:51:00,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:00,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:51:00,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:00,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:51:00,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:51:01,560 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 208 [2024-11-27 19:51:01,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 192 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:01,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:01,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 208 [2024-11-27 19:51:01,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:02,361 INFO L124 PetriNetUnfolderBase]: 592/2760 cut-off events. [2024-11-27 19:51:02,361 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:51:02,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3875 conditions, 2760 events. 592/2760 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 21926 event pairs, 78 based on Foata normal form. 0/2530 useless extension candidates. Maximal degree in co-relation 3831. Up to 653 conditions per place. [2024-11-27 19:51:02,382 INFO L140 encePairwiseOnDemand]: 172/208 looper letters, 76 selfloop transitions, 43 changer transitions 0/259 dead transitions. [2024-11-27 19:51:02,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 259 transitions, 768 flow [2024-11-27 19:51:02,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:51:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:51:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1000 transitions. [2024-11-27 19:51:02,386 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8012820512820513 [2024-11-27 19:51:02,386 INFO L175 Difference]: Start difference. First operand has 195 places, 192 transitions, 396 flow. Second operand 6 states and 1000 transitions. [2024-11-27 19:51:02,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 259 transitions, 768 flow [2024-11-27 19:51:02,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 259 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 19:51:02,398 INFO L231 Difference]: Finished difference. Result has 200 places, 235 transitions, 716 flow [2024-11-27 19:51:02,398 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=716, PETRI_PLACES=200, PETRI_TRANSITIONS=235} [2024-11-27 19:51:02,399 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 1 predicate places. [2024-11-27 19:51:02,399 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 235 transitions, 716 flow [2024-11-27 19:51:02,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:02,400 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:02,401 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:02,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:51:02,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:02,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:02,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1338309299, now seen corresponding path program 1 times [2024-11-27 19:51:02,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:02,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232007659] [2024-11-27 19:51:02,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:02,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:03,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:03,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232007659] [2024-11-27 19:51:03,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232007659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:03,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:03,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:51:03,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250541829] [2024-11-27 19:51:03,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:03,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:51:03,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:03,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:51:03,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:51:03,761 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 208 [2024-11-27 19:51:03,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 235 transitions, 716 flow. Second operand has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:03,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:03,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 208 [2024-11-27 19:51:03,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:04,659 INFO L124 PetriNetUnfolderBase]: 621/3628 cut-off events. [2024-11-27 19:51:04,659 INFO L125 PetriNetUnfolderBase]: For 626/725 co-relation queries the response was YES. [2024-11-27 19:51:04,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6131 conditions, 3628 events. 621/3628 cut-off events. For 626/725 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 29433 event pairs, 81 based on Foata normal form. 20/3444 useless extension candidates. Maximal degree in co-relation 6074. Up to 760 conditions per place. [2024-11-27 19:51:04,690 INFO L140 encePairwiseOnDemand]: 190/208 looper letters, 66 selfloop transitions, 36 changer transitions 0/286 dead transitions. [2024-11-27 19:51:04,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 286 transitions, 1064 flow [2024-11-27 19:51:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:51:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:51:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1063 transitions. [2024-11-27 19:51:04,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8517628205128205 [2024-11-27 19:51:04,698 INFO L175 Difference]: Start difference. First operand has 200 places, 235 transitions, 716 flow. Second operand 6 states and 1063 transitions. [2024-11-27 19:51:04,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 286 transitions, 1064 flow [2024-11-27 19:51:04,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 286 transitions, 1064 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:04,717 INFO L231 Difference]: Finished difference. Result has 210 places, 270 transitions, 1016 flow [2024-11-27 19:51:04,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1016, PETRI_PLACES=210, PETRI_TRANSITIONS=270} [2024-11-27 19:51:04,720 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 11 predicate places. [2024-11-27 19:51:04,720 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 270 transitions, 1016 flow [2024-11-27 19:51:04,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:04,721 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:04,722 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:04,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:51:04,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:04,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 601060170, now seen corresponding path program 1 times [2024-11-27 19:51:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732870590] [2024-11-27 19:51:04,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:04,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:05,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:05,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732870590] [2024-11-27 19:51:05,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732870590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:05,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:05,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:51:05,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831430772] [2024-11-27 19:51:05,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:05,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:51:05,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:05,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:51:05,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:51:05,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 208 [2024-11-27 19:51:05,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 270 transitions, 1016 flow. Second operand has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:05,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:05,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 208 [2024-11-27 19:51:05,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:08,011 INFO L124 PetriNetUnfolderBase]: 2543/8386 cut-off events. [2024-11-27 19:51:08,012 INFO L125 PetriNetUnfolderBase]: For 4727/5025 co-relation queries the response was YES. [2024-11-27 19:51:08,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19147 conditions, 8386 events. 2543/8386 cut-off events. For 4727/5025 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 71186 event pairs, 840 based on Foata normal form. 115/8034 useless extension candidates. Maximal degree in co-relation 19085. Up to 4332 conditions per place. [2024-11-27 19:51:08,073 INFO L140 encePairwiseOnDemand]: 177/208 looper letters, 129 selfloop transitions, 153 changer transitions 0/426 dead transitions. [2024-11-27 19:51:08,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 426 transitions, 2276 flow [2024-11-27 19:51:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:51:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:51:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2024-11-27 19:51:08,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8277243589743589 [2024-11-27 19:51:08,078 INFO L175 Difference]: Start difference. First operand has 210 places, 270 transitions, 1016 flow. Second operand 6 states and 1033 transitions. [2024-11-27 19:51:08,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 426 transitions, 2276 flow [2024-11-27 19:51:08,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 426 transitions, 2276 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:08,126 INFO L231 Difference]: Finished difference. Result has 220 places, 413 transitions, 2406 flow [2024-11-27 19:51:08,127 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=1016, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2406, PETRI_PLACES=220, PETRI_TRANSITIONS=413} [2024-11-27 19:51:08,129 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 21 predicate places. [2024-11-27 19:51:08,130 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 413 transitions, 2406 flow [2024-11-27 19:51:08,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:08,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:08,132 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:08,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:51:08,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:08,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:08,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1634000560, now seen corresponding path program 1 times [2024-11-27 19:51:08,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:08,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131277425] [2024-11-27 19:51:08,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:08,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:09,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131277425] [2024-11-27 19:51:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131277425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:09,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:09,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:09,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640901415] [2024-11-27 19:51:09,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:09,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:09,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:09,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:09,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:10,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:10,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 413 transitions, 2406 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:10,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:10,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:10,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:12,935 INFO L124 PetriNetUnfolderBase]: 2205/9652 cut-off events. [2024-11-27 19:51:12,936 INFO L125 PetriNetUnfolderBase]: For 7821/8629 co-relation queries the response was YES. [2024-11-27 19:51:12,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22847 conditions, 9652 events. 2205/9652 cut-off events. For 7821/8629 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 98765 event pairs, 123 based on Foata normal form. 47/9256 useless extension candidates. Maximal degree in co-relation 22782. Up to 2012 conditions per place. [2024-11-27 19:51:13,030 INFO L140 encePairwiseOnDemand]: 195/208 looper letters, 46 selfloop transitions, 18 changer transitions 0/456 dead transitions. [2024-11-27 19:51:13,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 456 transitions, 2682 flow [2024-11-27 19:51:13,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1493 transitions. [2024-11-27 19:51:13,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8972355769230769 [2024-11-27 19:51:13,037 INFO L175 Difference]: Start difference. First operand has 220 places, 413 transitions, 2406 flow. Second operand 8 states and 1493 transitions. [2024-11-27 19:51:13,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 456 transitions, 2682 flow [2024-11-27 19:51:13,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 456 transitions, 2542 flow, removed 70 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:13,119 INFO L231 Difference]: Finished difference. Result has 231 places, 425 transitions, 2387 flow [2024-11-27 19:51:13,120 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=2274, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2387, PETRI_PLACES=231, PETRI_TRANSITIONS=425} [2024-11-27 19:51:13,124 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 32 predicate places. [2024-11-27 19:51:13,127 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 425 transitions, 2387 flow [2024-11-27 19:51:13,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:13,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:13,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:13,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:51:13,129 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:13,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:13,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1290264720, now seen corresponding path program 2 times [2024-11-27 19:51:13,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:13,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362498758] [2024-11-27 19:51:13,133 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:51:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:13,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:51:13,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:14,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362498758] [2024-11-27 19:51:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362498758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:14,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:14,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:14,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917285284] [2024-11-27 19:51:14,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:14,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:14,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:14,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:15,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:15,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 425 transitions, 2387 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:15,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:15,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:15,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:17,808 INFO L124 PetriNetUnfolderBase]: 2810/11543 cut-off events. [2024-11-27 19:51:17,808 INFO L125 PetriNetUnfolderBase]: For 10084/11203 co-relation queries the response was YES. [2024-11-27 19:51:17,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28829 conditions, 11543 events. 2810/11543 cut-off events. For 10084/11203 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 116488 event pairs, 118 based on Foata normal form. 125/11181 useless extension candidates. Maximal degree in co-relation 28758. Up to 2384 conditions per place. [2024-11-27 19:51:17,902 INFO L140 encePairwiseOnDemand]: 196/208 looper letters, 53 selfloop transitions, 22 changer transitions 0/467 dead transitions. [2024-11-27 19:51:17,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 467 transitions, 2765 flow [2024-11-27 19:51:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1488 transitions. [2024-11-27 19:51:17,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942307692307693 [2024-11-27 19:51:17,908 INFO L175 Difference]: Start difference. First operand has 231 places, 425 transitions, 2387 flow. Second operand 8 states and 1488 transitions. [2024-11-27 19:51:17,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 467 transitions, 2765 flow [2024-11-27 19:51:17,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 467 transitions, 2728 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 19:51:17,994 INFO L231 Difference]: Finished difference. Result has 238 places, 434 transitions, 2491 flow [2024-11-27 19:51:17,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=2376, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2491, PETRI_PLACES=238, PETRI_TRANSITIONS=434} [2024-11-27 19:51:17,996 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 39 predicate places. [2024-11-27 19:51:17,996 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 434 transitions, 2491 flow [2024-11-27 19:51:17,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:17,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:17,998 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:17,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:51:17,998 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:17,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash 994173762, now seen corresponding path program 3 times [2024-11-27 19:51:17,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359406486] [2024-11-27 19:51:18,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:51:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:18,038 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 19:51:18,039 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:18,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:18,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359406486] [2024-11-27 19:51:18,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359406486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:18,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:18,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:18,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802163659] [2024-11-27 19:51:18,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:18,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:18,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:18,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:18,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:20,121 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:20,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 434 transitions, 2491 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:20,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:20,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:20,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:22,580 INFO L124 PetriNetUnfolderBase]: 3559/14766 cut-off events. [2024-11-27 19:51:22,581 INFO L125 PetriNetUnfolderBase]: For 15867/17354 co-relation queries the response was YES. [2024-11-27 19:51:22,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38378 conditions, 14766 events. 3559/14766 cut-off events. For 15867/17354 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 159666 event pairs, 146 based on Foata normal form. 133/14280 useless extension candidates. Maximal degree in co-relation 38304. Up to 3137 conditions per place. [2024-11-27 19:51:22,697 INFO L140 encePairwiseOnDemand]: 195/208 looper letters, 72 selfloop transitions, 24 changer transitions 0/488 dead transitions. [2024-11-27 19:51:22,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 488 transitions, 3053 flow [2024-11-27 19:51:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1499 transitions. [2024-11-27 19:51:22,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9008413461538461 [2024-11-27 19:51:22,703 INFO L175 Difference]: Start difference. First operand has 238 places, 434 transitions, 2491 flow. Second operand 8 states and 1499 transitions. [2024-11-27 19:51:22,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 488 transitions, 3053 flow [2024-11-27 19:51:22,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 488 transitions, 2994 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-11-27 19:51:22,805 INFO L231 Difference]: Finished difference. Result has 247 places, 452 transitions, 2702 flow [2024-11-27 19:51:22,806 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=2466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2702, PETRI_PLACES=247, PETRI_TRANSITIONS=452} [2024-11-27 19:51:22,806 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 48 predicate places. [2024-11-27 19:51:22,807 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 452 transitions, 2702 flow [2024-11-27 19:51:22,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:22,808 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:22,808 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:51:22,809 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:22,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash 938680972, now seen corresponding path program 4 times [2024-11-27 19:51:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073052579] [2024-11-27 19:51:22,810 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:51:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:22,860 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:51:22,860 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:23,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:23,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073052579] [2024-11-27 19:51:23,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073052579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:23,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:23,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:23,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536161566] [2024-11-27 19:51:23,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:23,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:23,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:23,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:23,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:24,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:24,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 452 transitions, 2702 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:24,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:24,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:24,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:27,788 INFO L124 PetriNetUnfolderBase]: 4289/17442 cut-off events. [2024-11-27 19:51:27,788 INFO L125 PetriNetUnfolderBase]: For 23407/25434 co-relation queries the response was YES. [2024-11-27 19:51:27,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46374 conditions, 17442 events. 4289/17442 cut-off events. For 23407/25434 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 195386 event pairs, 173 based on Foata normal form. 198/16913 useless extension candidates. Maximal degree in co-relation 46295. Up to 3675 conditions per place. [2024-11-27 19:51:27,919 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 78 selfloop transitions, 43 changer transitions 0/513 dead transitions. [2024-11-27 19:51:27,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 513 transitions, 3446 flow [2024-11-27 19:51:28,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1494 transitions. [2024-11-27 19:51:28,124 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8978365384615384 [2024-11-27 19:51:28,124 INFO L175 Difference]: Start difference. First operand has 247 places, 452 transitions, 2702 flow. Second operand 8 states and 1494 transitions. [2024-11-27 19:51:28,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 513 transitions, 3446 flow [2024-11-27 19:51:28,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 513 transitions, 3397 flow, removed 24 selfloop flow, removed 1 redundant places. [2024-11-27 19:51:28,252 INFO L231 Difference]: Finished difference. Result has 257 places, 476 transitions, 3025 flow [2024-11-27 19:51:28,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=2663, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3025, PETRI_PLACES=257, PETRI_TRANSITIONS=476} [2024-11-27 19:51:28,254 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 58 predicate places. [2024-11-27 19:51:28,254 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 476 transitions, 3025 flow [2024-11-27 19:51:28,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:28,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:28,255 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:28,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:51:28,259 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:28,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:28,260 INFO L85 PathProgramCache]: Analyzing trace with hash 756829398, now seen corresponding path program 5 times [2024-11-27 19:51:28,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:28,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173704541] [2024-11-27 19:51:28,260 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 19:51:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:28,311 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:51:28,312 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:28,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:28,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173704541] [2024-11-27 19:51:28,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173704541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:28,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:28,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:28,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635820613] [2024-11-27 19:51:28,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:28,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:28,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:28,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:28,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:29,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:30,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 476 transitions, 3025 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:30,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:30,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:30,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:33,811 INFO L124 PetriNetUnfolderBase]: 4290/17717 cut-off events. [2024-11-27 19:51:33,811 INFO L125 PetriNetUnfolderBase]: For 31178/33367 co-relation queries the response was YES. [2024-11-27 19:51:33,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49341 conditions, 17717 events. 4290/17717 cut-off events. For 31178/33367 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 199594 event pairs, 174 based on Foata normal form. 184/17167 useless extension candidates. Maximal degree in co-relation 49257. Up to 3725 conditions per place. [2024-11-27 19:51:34,133 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 96 selfloop transitions, 34 changer transitions 0/522 dead transitions. [2024-11-27 19:51:34,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 522 transitions, 3741 flow [2024-11-27 19:51:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-11-27 19:51:34,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9020432692307693 [2024-11-27 19:51:34,138 INFO L175 Difference]: Start difference. First operand has 257 places, 476 transitions, 3025 flow. Second operand 8 states and 1501 transitions. [2024-11-27 19:51:34,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 522 transitions, 3741 flow [2024-11-27 19:51:34,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 522 transitions, 3638 flow, removed 24 selfloop flow, removed 3 redundant places. [2024-11-27 19:51:34,254 INFO L231 Difference]: Finished difference. Result has 264 places, 492 transitions, 3228 flow [2024-11-27 19:51:34,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=2940, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3228, PETRI_PLACES=264, PETRI_TRANSITIONS=492} [2024-11-27 19:51:34,255 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 65 predicate places. [2024-11-27 19:51:34,256 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 492 transitions, 3228 flow [2024-11-27 19:51:34,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:34,257 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:34,257 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:34,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:51:34,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:34,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash -808772614, now seen corresponding path program 6 times [2024-11-27 19:51:34,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:34,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025912876] [2024-11-27 19:51:34,259 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 19:51:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:34,291 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 19:51:34,294 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:34,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:34,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025912876] [2024-11-27 19:51:34,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025912876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:34,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961826195] [2024-11-27 19:51:34,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:34,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:34,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:34,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:34,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:35,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:35,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 492 transitions, 3228 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:35,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:35,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:35,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:39,323 INFO L124 PetriNetUnfolderBase]: 4354/18153 cut-off events. [2024-11-27 19:51:39,323 INFO L125 PetriNetUnfolderBase]: For 36866/39163 co-relation queries the response was YES. [2024-11-27 19:51:39,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50748 conditions, 18153 events. 4354/18153 cut-off events. For 36866/39163 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 206273 event pairs, 192 based on Foata normal form. 324/17693 useless extension candidates. Maximal degree in co-relation 50661. Up to 3872 conditions per place. [2024-11-27 19:51:39,427 INFO L140 encePairwiseOnDemand]: 195/208 looper letters, 101 selfloop transitions, 43 changer transitions 0/536 dead transitions. [2024-11-27 19:51:39,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 536 transitions, 4005 flow [2024-11-27 19:51:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2024-11-27 19:51:39,432 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8990384615384616 [2024-11-27 19:51:39,432 INFO L175 Difference]: Start difference. First operand has 264 places, 492 transitions, 3228 flow. Second operand 8 states and 1496 transitions. [2024-11-27 19:51:39,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 536 transitions, 4005 flow [2024-11-27 19:51:39,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 536 transitions, 3954 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-27 19:51:39,568 INFO L231 Difference]: Finished difference. Result has 272 places, 509 transitions, 3558 flow [2024-11-27 19:51:39,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3181, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3558, PETRI_PLACES=272, PETRI_TRANSITIONS=509} [2024-11-27 19:51:39,570 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 73 predicate places. [2024-11-27 19:51:39,570 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 509 transitions, 3558 flow [2024-11-27 19:51:39,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:39,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:39,571 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:39,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:51:39,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:39,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash 209069026, now seen corresponding path program 7 times [2024-11-27 19:51:39,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:39,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760853645] [2024-11-27 19:51:39,572 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 19:51:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760853645] [2024-11-27 19:51:40,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760853645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:40,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:40,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727872193] [2024-11-27 19:51:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:40,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:40,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:40,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:40,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:40,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:40,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 509 transitions, 3558 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:40,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:40,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:40,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:44,403 INFO L124 PetriNetUnfolderBase]: 4338/18076 cut-off events. [2024-11-27 19:51:44,403 INFO L125 PetriNetUnfolderBase]: For 44431/46931 co-relation queries the response was YES. [2024-11-27 19:51:44,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51985 conditions, 18076 events. 4338/18076 cut-off events. For 44431/46931 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 205130 event pairs, 174 based on Foata normal form. 355/17665 useless extension candidates. Maximal degree in co-relation 51893. Up to 3822 conditions per place. [2024-11-27 19:51:44,552 INFO L140 encePairwiseOnDemand]: 195/208 looper letters, 116 selfloop transitions, 45 changer transitions 0/553 dead transitions. [2024-11-27 19:51:44,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 553 transitions, 4347 flow [2024-11-27 19:51:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1495 transitions. [2024-11-27 19:51:44,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8984375 [2024-11-27 19:51:44,557 INFO L175 Difference]: Start difference. First operand has 272 places, 509 transitions, 3558 flow. Second operand 8 states and 1495 transitions. [2024-11-27 19:51:44,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 553 transitions, 4347 flow [2024-11-27 19:51:44,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 553 transitions, 4255 flow, removed 39 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:44,713 INFO L231 Difference]: Finished difference. Result has 281 places, 519 transitions, 3759 flow [2024-11-27 19:51:44,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3466, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3759, PETRI_PLACES=281, PETRI_TRANSITIONS=519} [2024-11-27 19:51:44,715 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 82 predicate places. [2024-11-27 19:51:44,715 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 519 transitions, 3759 flow [2024-11-27 19:51:44,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:44,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:44,716 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:44,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:51:44,716 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:44,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:44,717 INFO L85 PathProgramCache]: Analyzing trace with hash -647996036, now seen corresponding path program 8 times [2024-11-27 19:51:44,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:44,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16864144] [2024-11-27 19:51:44,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:51:44,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:44,748 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:51:44,748 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:45,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:45,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16864144] [2024-11-27 19:51:45,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16864144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:45,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:45,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:45,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637016001] [2024-11-27 19:51:45,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:45,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:45,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:45,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:45,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:46,289 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:46,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 519 transitions, 3759 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:46,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:46,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:46,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:49,447 INFO L124 PetriNetUnfolderBase]: 3683/15800 cut-off events. [2024-11-27 19:51:49,447 INFO L125 PetriNetUnfolderBase]: For 45484/47605 co-relation queries the response was YES. [2024-11-27 19:51:49,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46177 conditions, 15800 events. 3683/15800 cut-off events. For 45484/47605 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 173928 event pairs, 144 based on Foata normal form. 240/15352 useless extension candidates. Maximal degree in co-relation 46081. Up to 3318 conditions per place. [2024-11-27 19:51:49,566 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 113 selfloop transitions, 48 changer transitions 0/553 dead transitions. [2024-11-27 19:51:49,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 553 transitions, 4518 flow [2024-11-27 19:51:49,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1497 transitions. [2024-11-27 19:51:49,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8996394230769231 [2024-11-27 19:51:49,571 INFO L175 Difference]: Start difference. First operand has 281 places, 519 transitions, 3759 flow. Second operand 8 states and 1497 transitions. [2024-11-27 19:51:49,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 553 transitions, 4518 flow [2024-11-27 19:51:49,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 553 transitions, 4428 flow, removed 32 selfloop flow, removed 3 redundant places. [2024-11-27 19:51:49,708 INFO L231 Difference]: Finished difference. Result has 288 places, 532 transitions, 4035 flow [2024-11-27 19:51:49,709 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3648, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4035, PETRI_PLACES=288, PETRI_TRANSITIONS=532} [2024-11-27 19:51:49,709 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 89 predicate places. [2024-11-27 19:51:49,709 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 532 transitions, 4035 flow [2024-11-27 19:51:49,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:49,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:49,710 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:49,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:51:49,711 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:49,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1597312100, now seen corresponding path program 9 times [2024-11-27 19:51:49,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:49,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497924456] [2024-11-27 19:51:49,712 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 19:51:49,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:49,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 19:51:49,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:50,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:50,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497924456] [2024-11-27 19:51:50,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497924456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:50,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:50,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:50,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012365352] [2024-11-27 19:51:50,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:50,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:50,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:50,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:50,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:51,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:51,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 532 transitions, 4035 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:51,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:51,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:51,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:54,390 INFO L124 PetriNetUnfolderBase]: 3682/15766 cut-off events. [2024-11-27 19:51:54,390 INFO L125 PetriNetUnfolderBase]: For 46712/49027 co-relation queries the response was YES. [2024-11-27 19:51:54,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46386 conditions, 15766 events. 3682/15766 cut-off events. For 46712/49027 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 171670 event pairs, 134 based on Foata normal form. 505/15577 useless extension candidates. Maximal degree in co-relation 46287. Up to 3297 conditions per place. [2024-11-27 19:51:54,495 INFO L140 encePairwiseOnDemand]: 196/208 looper letters, 99 selfloop transitions, 81 changer transitions 0/572 dead transitions. [2024-11-27 19:51:54,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 572 transitions, 5030 flow [2024-11-27 19:51:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1488 transitions. [2024-11-27 19:51:54,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942307692307693 [2024-11-27 19:51:54,499 INFO L175 Difference]: Start difference. First operand has 288 places, 532 transitions, 4035 flow. Second operand 8 states and 1488 transitions. [2024-11-27 19:51:54,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 572 transitions, 5030 flow [2024-11-27 19:51:54,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 572 transitions, 4919 flow, removed 24 selfloop flow, removed 4 redundant places. [2024-11-27 19:51:54,641 INFO L231 Difference]: Finished difference. Result has 294 places, 540 transitions, 4292 flow [2024-11-27 19:51:54,642 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3934, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4292, PETRI_PLACES=294, PETRI_TRANSITIONS=540} [2024-11-27 19:51:54,642 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 95 predicate places. [2024-11-27 19:51:54,643 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 540 transitions, 4292 flow [2024-11-27 19:51:54,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:54,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:54,643 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:54,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:51:54,644 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:54,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash 533247720, now seen corresponding path program 10 times [2024-11-27 19:51:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805117637] [2024-11-27 19:51:54,645 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 19:51:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:54,671 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 19:51:54,671 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:55,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:55,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805117637] [2024-11-27 19:51:55,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805117637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:55,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:55,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592424940] [2024-11-27 19:51:55,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:55,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:55,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:55,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:51:56,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:51:56,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 540 transitions, 4292 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:56,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:56,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:51:56,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:59,007 INFO L124 PetriNetUnfolderBase]: 3098/13993 cut-off events. [2024-11-27 19:51:59,007 INFO L125 PetriNetUnfolderBase]: For 47951/50179 co-relation queries the response was YES. [2024-11-27 19:51:59,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41866 conditions, 13993 events. 3098/13993 cut-off events. For 47951/50179 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 149029 event pairs, 117 based on Foata normal form. 329/13710 useless extension candidates. Maximal degree in co-relation 41764. Up to 2878 conditions per place. [2024-11-27 19:51:59,123 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 121 selfloop transitions, 62 changer transitions 0/575 dead transitions. [2024-11-27 19:51:59,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 575 transitions, 5160 flow [2024-11-27 19:51:59,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:51:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:51:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1493 transitions. [2024-11-27 19:51:59,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8972355769230769 [2024-11-27 19:51:59,128 INFO L175 Difference]: Start difference. First operand has 294 places, 540 transitions, 4292 flow. Second operand 8 states and 1493 transitions. [2024-11-27 19:51:59,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 575 transitions, 5160 flow [2024-11-27 19:51:59,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 575 transitions, 5009 flow, removed 49 selfloop flow, removed 3 redundant places. [2024-11-27 19:51:59,313 INFO L231 Difference]: Finished difference. Result has 301 places, 553 transitions, 4529 flow [2024-11-27 19:51:59,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=4107, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4529, PETRI_PLACES=301, PETRI_TRANSITIONS=553} [2024-11-27 19:51:59,314 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 102 predicate places. [2024-11-27 19:51:59,314 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 553 transitions, 4529 flow [2024-11-27 19:51:59,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:51:59,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:59,315 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:59,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:51:59,315 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:51:59,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:59,316 INFO L85 PathProgramCache]: Analyzing trace with hash 704102716, now seen corresponding path program 11 times [2024-11-27 19:51:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:59,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366784585] [2024-11-27 19:51:59,316 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 19:51:59,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:59,340 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:51:59,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:51:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:59,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:59,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366784585] [2024-11-27 19:51:59,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366784585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:59,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:59,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:51:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232734669] [2024-11-27 19:51:59,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:59,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:51:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:59,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:51:59,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:52:00,790 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:52:00,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 553 transitions, 4529 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:00,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:00,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:52:00,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:03,835 INFO L124 PetriNetUnfolderBase]: 3098/13969 cut-off events. [2024-11-27 19:52:03,835 INFO L125 PetriNetUnfolderBase]: For 55277/57636 co-relation queries the response was YES. [2024-11-27 19:52:03,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42471 conditions, 13969 events. 3098/13969 cut-off events. For 55277/57636 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 148399 event pairs, 107 based on Foata normal form. 308/13671 useless extension candidates. Maximal degree in co-relation 42366. Up to 2853 conditions per place. [2024-11-27 19:52:03,928 INFO L140 encePairwiseOnDemand]: 195/208 looper letters, 162 selfloop transitions, 33 changer transitions 0/587 dead transitions. [2024-11-27 19:52:03,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 587 transitions, 5396 flow [2024-11-27 19:52:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:52:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1499 transitions. [2024-11-27 19:52:03,932 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9008413461538461 [2024-11-27 19:52:03,932 INFO L175 Difference]: Start difference. First operand has 301 places, 553 transitions, 4529 flow. Second operand 8 states and 1499 transitions. [2024-11-27 19:52:03,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 587 transitions, 5396 flow [2024-11-27 19:52:04,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 587 transitions, 5299 flow, removed 24 selfloop flow, removed 3 redundant places. [2024-11-27 19:52:04,088 INFO L231 Difference]: Finished difference. Result has 309 places, 563 transitions, 4709 flow [2024-11-27 19:52:04,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=4444, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4709, PETRI_PLACES=309, PETRI_TRANSITIONS=563} [2024-11-27 19:52:04,089 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 110 predicate places. [2024-11-27 19:52:04,090 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 563 transitions, 4709 flow [2024-11-27 19:52:04,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:04,090 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:04,090 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:04,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:52:04,091 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:52:04,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:04,092 INFO L85 PathProgramCache]: Analyzing trace with hash 499132878, now seen corresponding path program 12 times [2024-11-27 19:52:04,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:04,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034644821] [2024-11-27 19:52:04,092 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 19:52:04,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:04,115 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 19:52:04,115 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:52:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:04,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:04,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034644821] [2024-11-27 19:52:04,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034644821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:04,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:52:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937197692] [2024-11-27 19:52:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:04,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:52:04,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:04,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:52:04,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:52:05,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:52:05,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 563 transitions, 4709 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:05,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:05,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:52:05,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:08,345 INFO L124 PetriNetUnfolderBase]: 3128/14336 cut-off events. [2024-11-27 19:52:08,346 INFO L125 PetriNetUnfolderBase]: For 55204/57570 co-relation queries the response was YES. [2024-11-27 19:52:08,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43542 conditions, 14336 events. 3128/14336 cut-off events. For 55204/57570 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 153696 event pairs, 114 based on Foata normal form. 282/13994 useless extension candidates. Maximal degree in co-relation 43433. Up to 2928 conditions per place. [2024-11-27 19:52:08,473 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 157 selfloop transitions, 48 changer transitions 0/597 dead transitions. [2024-11-27 19:52:08,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 597 transitions, 5675 flow [2024-11-27 19:52:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:52:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1498 transitions. [2024-11-27 19:52:08,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9002403846153846 [2024-11-27 19:52:08,476 INFO L175 Difference]: Start difference. First operand has 309 places, 563 transitions, 4709 flow. Second operand 8 states and 1498 transitions. [2024-11-27 19:52:08,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 597 transitions, 5675 flow [2024-11-27 19:52:08,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 597 transitions, 5511 flow, removed 66 selfloop flow, removed 3 redundant places. [2024-11-27 19:52:08,667 INFO L231 Difference]: Finished difference. Result has 316 places, 579 transitions, 5035 flow [2024-11-27 19:52:08,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=4627, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5035, PETRI_PLACES=316, PETRI_TRANSITIONS=579} [2024-11-27 19:52:08,668 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 117 predicate places. [2024-11-27 19:52:08,668 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 579 transitions, 5035 flow [2024-11-27 19:52:08,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:08,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:08,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:08,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 19:52:08,669 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:52:08,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1467033782, now seen corresponding path program 13 times [2024-11-27 19:52:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:08,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542342406] [2024-11-27 19:52:08,670 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 19:52:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:09,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:09,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542342406] [2024-11-27 19:52:09,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542342406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:09,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:09,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:52:09,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552173768] [2024-11-27 19:52:09,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:09,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:52:09,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:09,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:52:09,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:52:10,315 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:52:10,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 579 transitions, 5035 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:10,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:10,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:52:10,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:13,091 INFO L124 PetriNetUnfolderBase]: 2472/12076 cut-off events. [2024-11-27 19:52:13,091 INFO L125 PetriNetUnfolderBase]: For 43979/45815 co-relation queries the response was YES. [2024-11-27 19:52:13,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36017 conditions, 12076 events. 2472/12076 cut-off events. For 43979/45815 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 125768 event pairs, 93 based on Foata normal form. 228/11760 useless extension candidates. Maximal degree in co-relation 35905. Up to 2447 conditions per place. [2024-11-27 19:52:13,192 INFO L140 encePairwiseOnDemand]: 194/208 looper letters, 161 selfloop transitions, 50 changer transitions 0/603 dead transitions. [2024-11-27 19:52:13,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 603 transitions, 5833 flow [2024-11-27 19:52:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:52:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-11-27 19:52:13,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9020432692307693 [2024-11-27 19:52:13,196 INFO L175 Difference]: Start difference. First operand has 316 places, 579 transitions, 5035 flow. Second operand 8 states and 1501 transitions. [2024-11-27 19:52:13,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 603 transitions, 5833 flow [2024-11-27 19:52:13,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 603 transitions, 5708 flow, removed 33 selfloop flow, removed 4 redundant places. [2024-11-27 19:52:13,352 INFO L231 Difference]: Finished difference. Result has 322 places, 592 transitions, 5312 flow [2024-11-27 19:52:13,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=4871, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5312, PETRI_PLACES=322, PETRI_TRANSITIONS=592} [2024-11-27 19:52:13,354 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 123 predicate places. [2024-11-27 19:52:13,354 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 592 transitions, 5312 flow [2024-11-27 19:52:13,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:13,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:13,355 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:13,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 19:52:13,355 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:52:13,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1314065590, now seen corresponding path program 14 times [2024-11-27 19:52:13,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:13,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669452671] [2024-11-27 19:52:13,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:52:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:13,379 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:52:13,379 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:52:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:13,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:13,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669452671] [2024-11-27 19:52:13,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669452671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:13,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:13,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:52:13,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469251851] [2024-11-27 19:52:13,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:13,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:52:13,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:13,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:52:13,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:52:14,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2024-11-27 19:52:14,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 592 transitions, 5312 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:14,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:14,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2024-11-27 19:52:14,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:15,616 INFO L124 PetriNetUnfolderBase]: 370/3904 cut-off events. [2024-11-27 19:52:15,616 INFO L125 PetriNetUnfolderBase]: For 16650/16896 co-relation queries the response was YES. [2024-11-27 19:52:15,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11113 conditions, 3904 events. 370/3904 cut-off events. For 16650/16896 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 36320 event pairs, 15 based on Foata normal form. 76/3802 useless extension candidates. Maximal degree in co-relation 10998. Up to 738 conditions per place. [2024-11-27 19:52:15,642 INFO L140 encePairwiseOnDemand]: 197/208 looper letters, 118 selfloop transitions, 82 changer transitions 0/373 dead transitions. [2024-11-27 19:52:15,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 373 transitions, 4036 flow [2024-11-27 19:52:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:52:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1491 transitions. [2024-11-27 19:52:15,644 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8960336538461539 [2024-11-27 19:52:15,644 INFO L175 Difference]: Start difference. First operand has 322 places, 592 transitions, 5312 flow. Second operand 8 states and 1491 transitions. [2024-11-27 19:52:15,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 373 transitions, 4036 flow [2024-11-27 19:52:15,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 373 transitions, 3529 flow, removed 128 selfloop flow, removed 18 redundant places. [2024-11-27 19:52:15,705 INFO L231 Difference]: Finished difference. Result has 306 places, 369 transitions, 3318 flow [2024-11-27 19:52:15,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3034, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3318, PETRI_PLACES=306, PETRI_TRANSITIONS=369} [2024-11-27 19:52:15,706 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 107 predicate places. [2024-11-27 19:52:15,706 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 369 transitions, 3318 flow [2024-11-27 19:52:15,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:15,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:15,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:15,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 19:52:15,707 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:52:15,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:15,708 INFO L85 PathProgramCache]: Analyzing trace with hash 194338760, now seen corresponding path program 1 times [2024-11-27 19:52:15,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:15,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445689742] [2024-11-27 19:52:15,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:52:16,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:16,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445689742] [2024-11-27 19:52:16,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445689742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:16,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:16,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 19:52:16,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250153204] [2024-11-27 19:52:16,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:16,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 19:52:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:16,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 19:52:16,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:52:17,007 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 208 [2024-11-27 19:52:17,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 369 transitions, 3318 flow. Second operand has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:17,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:17,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 208 [2024-11-27 19:52:17,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:18,067 INFO L124 PetriNetUnfolderBase]: 417/4632 cut-off events. [2024-11-27 19:52:18,067 INFO L125 PetriNetUnfolderBase]: For 15777/15945 co-relation queries the response was YES. [2024-11-27 19:52:18,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10722 conditions, 4632 events. 417/4632 cut-off events. For 15777/15945 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 41168 event pairs, 11 based on Foata normal form. 124/4574 useless extension candidates. Maximal degree in co-relation 10604. Up to 567 conditions per place. [2024-11-27 19:52:18,100 INFO L140 encePairwiseOnDemand]: 197/208 looper letters, 167 selfloop transitions, 24 changer transitions 0/424 dead transitions. [2024-11-27 19:52:18,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 424 transitions, 4460 flow [2024-11-27 19:52:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 19:52:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1425 transitions. [2024-11-27 19:52:18,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8563701923076923 [2024-11-27 19:52:18,103 INFO L175 Difference]: Start difference. First operand has 306 places, 369 transitions, 3318 flow. Second operand 8 states and 1425 transitions. [2024-11-27 19:52:18,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 424 transitions, 4460 flow [2024-11-27 19:52:18,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 424 transitions, 4190 flow, removed 45 selfloop flow, removed 6 redundant places. [2024-11-27 19:52:18,167 INFO L231 Difference]: Finished difference. Result has 311 places, 388 transitions, 3466 flow [2024-11-27 19:52:18,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3094, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3466, PETRI_PLACES=311, PETRI_TRANSITIONS=388} [2024-11-27 19:52:18,169 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 112 predicate places. [2024-11-27 19:52:18,169 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 388 transitions, 3466 flow [2024-11-27 19:52:18,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:18,170 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:18,170 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:18,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 19:52:18,171 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-27 19:52:18,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:18,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1531545805, now seen corresponding path program 1 times [2024-11-27 19:52:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259053245] [2024-11-27 19:52:18,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 19:52:18,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:18,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259053245] [2024-11-27 19:52:18,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259053245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:18,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:18,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:52:18,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463494189] [2024-11-27 19:52:18,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:18,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:52:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:18,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:52:18,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:52:19,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 208 [2024-11-27 19:52:19,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 388 transitions, 3466 flow. Second operand has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:19,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:19,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 208 [2024-11-27 19:52:19,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:20,695 INFO L124 PetriNetUnfolderBase]: 700/5069 cut-off events. [2024-11-27 19:52:20,695 INFO L125 PetriNetUnfolderBase]: For 25933/26530 co-relation queries the response was YES. [2024-11-27 19:52:20,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 5069 events. 700/5069 cut-off events. For 25933/26530 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 44107 event pairs, 157 based on Foata normal form. 559/5465 useless extension candidates. Maximal degree in co-relation 14344. Up to 2312 conditions per place. [2024-11-27 19:52:20,722 INFO L140 encePairwiseOnDemand]: 202/208 looper letters, 0 selfloop transitions, 0 changer transitions 387/387 dead transitions. [2024-11-27 19:52:20,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 387 transitions, 3812 flow [2024-11-27 19:52:20,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:52:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 898 transitions. [2024-11-27 19:52:20,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.719551282051282 [2024-11-27 19:52:20,724 INFO L175 Difference]: Start difference. First operand has 311 places, 388 transitions, 3466 flow. Second operand 6 states and 898 transitions. [2024-11-27 19:52:20,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 387 transitions, 3812 flow [2024-11-27 19:52:20,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 387 transitions, 3806 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:52:20,785 INFO L231 Difference]: Finished difference. Result has 313 places, 0 transitions, 0 flow [2024-11-27 19:52:20,785 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=3458, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=313, PETRI_TRANSITIONS=0} [2024-11-27 19:52:20,785 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 114 predicate places. [2024-11-27 19:52:20,785 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 0 transitions, 0 flow [2024-11-27 19:52:20,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:52:20,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-27 19:52:20,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-27 19:52:20,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-27 19:52:20,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-27 19:52:20,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 19:52:20,792 INFO L422 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2024-11-27 19:52:20,799 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 19:52:20,799 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:52:20,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:52:20 BasicIcfg [2024-11-27 19:52:20,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:52:20,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:52:20,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:52:20,807 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:52:20,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:57" (3/4) ... [2024-11-27 19:52:20,810 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:52:20,814 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-11-27 19:52:20,818 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 19:52:20,818 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 19:52:20,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:52:20,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:52:20,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:52:20,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:52:20,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:52:20,911 INFO L158 Benchmark]: Toolchain (without parser) took 85540.85ms. Allocated memory was 142.6MB in the beginning and 12.0GB in the end (delta: 11.9GB). Free memory was 116.1MB in the beginning and 9.8GB in the end (delta: -9.7GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-27 19:52:20,911 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:52:20,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.32ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 95.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:52:20,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.08ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:52:20,912 INFO L158 Benchmark]: Boogie Preprocessor took 53.34ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:52:20,913 INFO L158 Benchmark]: RCFGBuilder took 961.15ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 67.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:52:20,913 INFO L158 Benchmark]: TraceAbstraction took 83649.29ms. Allocated memory was 142.6MB in the beginning and 12.0GB in the end (delta: 11.9GB). Free memory was 66.9MB in the beginning and 9.8GB in the end (delta: -9.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-27 19:52:20,913 INFO L158 Benchmark]: Witness Printer took 102.83ms. Allocated memory is still 12.0GB. Free memory was 9.8GB in the beginning and 9.8GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:52:20,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.32ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 95.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.08ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.34ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 961.15ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 67.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 83649.29ms. Allocated memory was 142.6MB in the beginning and 12.0GB in the end (delta: 11.9GB). Free memory was 66.9MB in the beginning and 9.8GB in the end (delta: -9.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 102.83ms. Allocated memory is still 12.0GB. Free memory was 9.8GB in the beginning and 9.8GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 297 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 83.4s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 68.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9655 SdHoareTripleChecker+Valid, 19.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7447 mSDsluCounter, 10145 SdHoareTripleChecker+Invalid, 16.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9319 mSDsCounter, 288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19352 IncrementalHoareTripleChecker+Invalid, 19640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 288 mSolverCounterUnsat, 826 mSDtfsCounter, 19352 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5312occurred in iteration=17, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 1633 NumberOfCodeBlocks, 1617 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1613 ConstructedInterpolants, 0 QuantifiedInterpolants, 6013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 19:52:20,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91444107-2d1b-43fe-9820-efe5af3c6e0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE