./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c --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_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/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_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/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_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/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 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:54:26,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:54:26,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:54:26,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:54:26,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:54:26,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:54:26,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:54:26,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:54:26,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:54:26,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:54:26,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:54:26,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:54:26,627 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:54:26,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:54:26,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:54:26,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:54:26,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:54:26,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:54:26,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:54:26,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:54:26,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:54:26,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:54:26,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:54:26,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:54:26,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:54:26,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:26,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:26,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:54:26,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:54:26,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:54:26,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:54:26,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:54:26,633 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_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/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 -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2024-11-28 04:54:26,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:54:26,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:54:26,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:54:26,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:54:26,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:54:26,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2024-11-28 04:54:30,057 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/data/f5d5882d2/a7afa4bdaea44cc7a318c531bf4c287c/FLAGfcf107521 [2024-11-28 04:54:30,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:54:30,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2024-11-28 04:54:30,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/data/f5d5882d2/a7afa4bdaea44cc7a318c531bf4c287c/FLAGfcf107521 [2024-11-28 04:54:30,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/data/f5d5882d2/a7afa4bdaea44cc7a318c531bf4c287c [2024-11-28 04:54:30,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:54:30,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:54:30,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:54:30,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:54:30,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:54:30,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:30" (1/1) ... [2024-11-28 04:54:30,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1388cb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:30, skipping insertion in model container [2024-11-28 04:54:30,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:30" (1/1) ... [2024-11-28 04:54:30,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:54:30,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:54:30,944 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:54:30,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:54:31,006 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:54:31,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31 WrapperNode [2024-11-28 04:54:31,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:54:31,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:54:31,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:54:31,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:54:31,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,076 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 327 [2024-11-28 04:54:31,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:54:31,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:54:31,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:54:31,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:54:31,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:54:31,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:54:31,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:54:31,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:54:31,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (1/1) ... [2024-11-28 04:54:31,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:31,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:54:31,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:54:31,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b2c2619-b3c5-4d89-9891-7fb4cf2ba477/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:54:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 04:54:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:54:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:54:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:54:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:54:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:54:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:54:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:54:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:54:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:54:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:54:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:54:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:54:31,246 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:54:31,417 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:54:31,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:54:32,440 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:54:32,440 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:54:32,469 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:54:32,470 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 04:54:32,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:32 BoogieIcfgContainer [2024-11-28 04:54:32,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:54:32,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:54:32,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:54:32,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:54:32,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:54:30" (1/3) ... [2024-11-28 04:54:32,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105e944e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:32, skipping insertion in model container [2024-11-28 04:54:32,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:31" (2/3) ... [2024-11-28 04:54:32,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105e944e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:32, skipping insertion in model container [2024-11-28 04:54:32,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:32" (3/3) ... [2024-11-28 04:54:32,483 INFO L128 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2024-11-28 04:54:32,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:54:32,507 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG loop-tiling-eq.wvr.c that has 3 procedures, 505 locations, 1 initial locations, 7 loop locations, and 55 error locations. [2024-11-28 04:54:32,507 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:54:32,701 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:54:32,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 511 places, 534 transitions, 1082 flow [2024-11-28 04:54:33,065 INFO L124 PetriNetUnfolderBase]: 30/532 cut-off events. [2024-11-28 04:54:33,067 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:54:33,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 532 events. 30/532 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 852 event pairs, 0 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 350. Up to 2 conditions per place. [2024-11-28 04:54:33,081 INFO L82 GeneralOperation]: Start removeDead. Operand has 511 places, 534 transitions, 1082 flow [2024-11-28 04:54:33,094 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 490 places, 512 transitions, 1036 flow [2024-11-28 04:54:33,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:54:33,120 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;@1bf4b0c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:54:33,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2024-11-28 04:54:33,126 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:54:33,127 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-28 04:54:33,127 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:54:33,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:33,128 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] [2024-11-28 04:54:33,129 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:33,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:33,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1695569555, now seen corresponding path program 1 times [2024-11-28 04:54:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:33,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63163435] [2024-11-28 04:54:33,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:33,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:33,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63163435] [2024-11-28 04:54:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63163435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:33,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:33,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:33,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342771328] [2024-11-28 04:54:33,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:33,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:33,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:33,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:33,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:33,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 534 [2024-11-28 04:54:33,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 512 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 496.3333333333333) internal successors, (1489), 3 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:33,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:33,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 534 [2024-11-28 04:54:33,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:33,746 INFO L124 PetriNetUnfolderBase]: 13/497 cut-off events. [2024-11-28 04:54:33,746 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 04:54:33,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 497 events. 13/497 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 837 event pairs, 2 based on Foata normal form. 21/442 useless extension candidates. Maximal degree in co-relation 344. Up to 20 conditions per place. [2024-11-28 04:54:33,752 INFO L140 encePairwiseOnDemand]: 513/534 looper letters, 15 selfloop transitions, 2 changer transitions 11/493 dead transitions. [2024-11-28 04:54:33,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 493 transitions, 1032 flow [2024-11-28 04:54:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2024-11-28 04:54:33,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949438202247191 [2024-11-28 04:54:33,788 INFO L175 Difference]: Start difference. First operand has 490 places, 512 transitions, 1036 flow. Second operand 3 states and 1521 transitions. [2024-11-28 04:54:33,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 493 transitions, 1032 flow [2024-11-28 04:54:33,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 493 transitions, 1024 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:54:33,813 INFO L231 Difference]: Finished difference. Result has 487 places, 482 transitions, 972 flow [2024-11-28 04:54:33,816 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=972, PETRI_PLACES=487, PETRI_TRANSITIONS=482} [2024-11-28 04:54:33,821 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -3 predicate places. [2024-11-28 04:54:33,821 INFO L471 AbstractCegarLoop]: Abstraction has has 487 places, 482 transitions, 972 flow [2024-11-28 04:54:33,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.3333333333333) internal successors, (1489), 3 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:33,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:33,825 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] [2024-11-28 04:54:33,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:54:33,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:33,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 580178297, now seen corresponding path program 1 times [2024-11-28 04:54:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095111932] [2024-11-28 04:54:33,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:33,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:33,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095111932] [2024-11-28 04:54:33,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095111932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:33,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:33,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:33,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948593825] [2024-11-28 04:54:33,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:33,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:33,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:33,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:33,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:33,992 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 534 [2024-11-28 04:54:33,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 482 transitions, 972 flow. Second operand has 3 states, 3 states have (on average 486.0) internal successors, (1458), 3 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:33,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:33,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 534 [2024-11-28 04:54:33,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:34,124 INFO L124 PetriNetUnfolderBase]: 18/533 cut-off events. [2024-11-28 04:54:34,125 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 04:54:34,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 533 events. 18/533 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1153 event pairs, 4 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 539. Up to 30 conditions per place. [2024-11-28 04:54:34,128 INFO L140 encePairwiseOnDemand]: 525/534 looper letters, 20 selfloop transitions, 1 changer transitions 0/474 dead transitions. [2024-11-28 04:54:34,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 474 transitions, 998 flow [2024-11-28 04:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1484 transitions. [2024-11-28 04:54:34,133 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9263420724094882 [2024-11-28 04:54:34,133 INFO L175 Difference]: Start difference. First operand has 487 places, 482 transitions, 972 flow. Second operand 3 states and 1484 transitions. [2024-11-28 04:54:34,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 474 transitions, 998 flow [2024-11-28 04:54:34,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 474 transitions, 994 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:34,145 INFO L231 Difference]: Finished difference. Result has 468 places, 474 transitions, 954 flow [2024-11-28 04:54:34,146 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=954, PETRI_PLACES=468, PETRI_TRANSITIONS=474} [2024-11-28 04:54:34,146 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -22 predicate places. [2024-11-28 04:54:34,147 INFO L471 AbstractCegarLoop]: Abstraction has has 468 places, 474 transitions, 954 flow [2024-11-28 04:54:34,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 486.0) internal successors, (1458), 3 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:34,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:34,148 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] [2024-11-28 04:54:34,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:54:34,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:34,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:34,149 INFO L85 PathProgramCache]: Analyzing trace with hash -200053464, now seen corresponding path program 1 times [2024-11-28 04:54:34,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:34,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177402050] [2024-11-28 04:54:34,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:34,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177402050] [2024-11-28 04:54:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177402050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:34,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:34,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823936201] [2024-11-28 04:54:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:34,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:34,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:34,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:34,323 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 534 [2024-11-28 04:54:34,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 474 transitions, 954 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:34,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:34,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 534 [2024-11-28 04:54:34,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:34,470 INFO L124 PetriNetUnfolderBase]: 14/528 cut-off events. [2024-11-28 04:54:34,471 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:54:34,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 528 events. 14/528 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1050 event pairs, 1 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 523. Up to 20 conditions per place. [2024-11-28 04:54:34,478 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 16 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-28 04:54:34,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 473 transitions, 988 flow [2024-11-28 04:54:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1501 transitions. [2024-11-28 04:54:34,483 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9369538077403246 [2024-11-28 04:54:34,484 INFO L175 Difference]: Start difference. First operand has 468 places, 474 transitions, 954 flow. Second operand 3 states and 1501 transitions. [2024-11-28 04:54:34,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 473 transitions, 988 flow [2024-11-28 04:54:34,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 473 transitions, 987 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:34,494 INFO L231 Difference]: Finished difference. Result has 468 places, 473 transitions, 955 flow [2024-11-28 04:54:34,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=955, PETRI_PLACES=468, PETRI_TRANSITIONS=473} [2024-11-28 04:54:34,497 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -22 predicate places. [2024-11-28 04:54:34,497 INFO L471 AbstractCegarLoop]: Abstraction has has 468 places, 473 transitions, 955 flow [2024-11-28 04:54:34,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:34,498 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:34,499 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] [2024-11-28 04:54:34,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:54:34,499 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:34,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:34,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1232439734, now seen corresponding path program 1 times [2024-11-28 04:54:34,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:34,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850188613] [2024-11-28 04:54:34,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850188613] [2024-11-28 04:54:34,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850188613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:34,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:34,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:34,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733796085] [2024-11-28 04:54:34,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:34,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:34,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:34,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:34,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:34,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 534 [2024-11-28 04:54:34,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 473 transitions, 955 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:34,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:34,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 534 [2024-11-28 04:54:34,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:34,860 INFO L124 PetriNetUnfolderBase]: 15/519 cut-off events. [2024-11-28 04:54:34,860 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 04:54:34,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 519 events. 15/519 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1046 event pairs, 2 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 524. Up to 27 conditions per place. [2024-11-28 04:54:34,866 INFO L140 encePairwiseOnDemand]: 524/534 looper letters, 22 selfloop transitions, 1 changer transitions 0/464 dead transitions. [2024-11-28 04:54:34,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 464 transitions, 983 flow [2024-11-28 04:54:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1478 transitions. [2024-11-28 04:54:34,872 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9225967540574282 [2024-11-28 04:54:34,872 INFO L175 Difference]: Start difference. First operand has 468 places, 473 transitions, 955 flow. Second operand 3 states and 1478 transitions. [2024-11-28 04:54:34,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 464 transitions, 983 flow [2024-11-28 04:54:34,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 464 transitions, 979 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:34,883 INFO L231 Difference]: Finished difference. Result has 459 places, 464 transitions, 935 flow [2024-11-28 04:54:34,884 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=935, PETRI_PLACES=459, PETRI_TRANSITIONS=464} [2024-11-28 04:54:34,885 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -31 predicate places. [2024-11-28 04:54:34,886 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 464 transitions, 935 flow [2024-11-28 04:54:34,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:34,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:34,888 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] [2024-11-28 04:54:34,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:54:34,888 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:34,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1296210088, now seen corresponding path program 1 times [2024-11-28 04:54:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:34,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788467383] [2024-11-28 04:54:34,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:34,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:34,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788467383] [2024-11-28 04:54:34,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788467383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:34,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:34,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:34,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302976651] [2024-11-28 04:54:34,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:34,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:34,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:34,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:34,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:35,026 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 534 [2024-11-28 04:54:35,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 464 transitions, 935 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:35,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 534 [2024-11-28 04:54:35,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:35,142 INFO L124 PetriNetUnfolderBase]: 13/499 cut-off events. [2024-11-28 04:54:35,142 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:54:35,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 499 events. 13/499 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 941 event pairs, 1 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 490. Up to 14 conditions per place. [2024-11-28 04:54:35,146 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 10 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2024-11-28 04:54:35,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 463 transitions, 957 flow [2024-11-28 04:54:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1513 transitions. [2024-11-28 04:54:35,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-28 04:54:35,151 INFO L175 Difference]: Start difference. First operand has 459 places, 464 transitions, 935 flow. Second operand 3 states and 1513 transitions. [2024-11-28 04:54:35,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 463 transitions, 957 flow [2024-11-28 04:54:35,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 463 transitions, 956 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:35,162 INFO L231 Difference]: Finished difference. Result has 459 places, 463 transitions, 936 flow [2024-11-28 04:54:35,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=936, PETRI_PLACES=459, PETRI_TRANSITIONS=463} [2024-11-28 04:54:35,168 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -31 predicate places. [2024-11-28 04:54:35,168 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 463 transitions, 936 flow [2024-11-28 04:54:35,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:35,169 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] [2024-11-28 04:54:35,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:54:35,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:35,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:35,171 INFO L85 PathProgramCache]: Analyzing trace with hash -655434753, now seen corresponding path program 1 times [2024-11-28 04:54:35,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:35,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397080997] [2024-11-28 04:54:35,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:35,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:35,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:35,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397080997] [2024-11-28 04:54:35,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397080997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:35,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:35,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:35,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834985453] [2024-11-28 04:54:35,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:35,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:35,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:35,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:35,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:35,348 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 534 [2024-11-28 04:54:35,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 463 transitions, 936 flow. Second operand has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:35,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 534 [2024-11-28 04:54:35,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:35,460 INFO L124 PetriNetUnfolderBase]: 14/496 cut-off events. [2024-11-28 04:54:35,461 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:54:35,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 496 events. 14/496 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 928 event pairs, 2 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 492. Up to 15 conditions per place. [2024-11-28 04:54:35,464 INFO L140 encePairwiseOnDemand]: 530/534 looper letters, 10 selfloop transitions, 1 changer transitions 0/460 dead transitions. [2024-11-28 04:54:35,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 460 transitions, 952 flow [2024-11-28 04:54:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2024-11-28 04:54:35,470 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9450686641697877 [2024-11-28 04:54:35,470 INFO L175 Difference]: Start difference. First operand has 459 places, 463 transitions, 936 flow. Second operand 3 states and 1514 transitions. [2024-11-28 04:54:35,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 460 transitions, 952 flow [2024-11-28 04:54:35,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 460 transitions, 948 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:35,484 INFO L231 Difference]: Finished difference. Result has 456 places, 460 transitions, 928 flow [2024-11-28 04:54:35,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=456, PETRI_TRANSITIONS=460} [2024-11-28 04:54:35,486 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -34 predicate places. [2024-11-28 04:54:35,486 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 460 transitions, 928 flow [2024-11-28 04:54:35,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,488 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:35,488 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] [2024-11-28 04:54:35,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:54:35,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:35,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash 122241053, now seen corresponding path program 1 times [2024-11-28 04:54:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570181838] [2024-11-28 04:54:35,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:35,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570181838] [2024-11-28 04:54:35,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570181838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:35,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:35,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:35,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106237145] [2024-11-28 04:54:35,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:35,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:35,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:35,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:35,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:35,655 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 534 [2024-11-28 04:54:35,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 460 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:35,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 534 [2024-11-28 04:54:35,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:35,762 INFO L124 PetriNetUnfolderBase]: 14/517 cut-off events. [2024-11-28 04:54:35,762 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:54:35,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 517 events. 14/517 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1040 event pairs, 1 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 507. Up to 12 conditions per place. [2024-11-28 04:54:35,765 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 9 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-28 04:54:35,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 459 transitions, 948 flow [2024-11-28 04:54:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2024-11-28 04:54:35,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9456928838951311 [2024-11-28 04:54:35,771 INFO L175 Difference]: Start difference. First operand has 456 places, 460 transitions, 928 flow. Second operand 3 states and 1515 transitions. [2024-11-28 04:54:35,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 459 transitions, 948 flow [2024-11-28 04:54:35,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 459 transitions, 947 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:35,782 INFO L231 Difference]: Finished difference. Result has 456 places, 459 transitions, 929 flow [2024-11-28 04:54:35,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=456, PETRI_TRANSITIONS=459} [2024-11-28 04:54:35,785 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -34 predicate places. [2024-11-28 04:54:35,785 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 459 transitions, 929 flow [2024-11-28 04:54:35,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:35,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:35,787 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] [2024-11-28 04:54:35,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:54:35,787 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:35,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash -895317858, now seen corresponding path program 1 times [2024-11-28 04:54:35,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:35,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532279943] [2024-11-28 04:54:35,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:36,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:36,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532279943] [2024-11-28 04:54:36,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532279943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:36,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:36,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:36,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182507944] [2024-11-28 04:54:36,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:36,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:54:36,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:36,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:54:36,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:54:37,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 534 [2024-11-28 04:54:37,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 459 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 433.5) internal successors, (2601), 6 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:37,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:37,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 534 [2024-11-28 04:54:37,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:37,906 INFO L124 PetriNetUnfolderBase]: 172/1158 cut-off events. [2024-11-28 04:54:37,906 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-28 04:54:37,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 1158 events. 172/1158 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5692 event pairs, 116 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 1491. Up to 332 conditions per place. [2024-11-28 04:54:37,913 INFO L140 encePairwiseOnDemand]: 516/534 looper letters, 64 selfloop transitions, 15 changer transitions 0/456 dead transitions. [2024-11-28 04:54:37,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 456 transitions, 1081 flow [2024-11-28 04:54:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2674 transitions. [2024-11-28 04:54:37,920 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.83458177278402 [2024-11-28 04:54:37,921 INFO L175 Difference]: Start difference. First operand has 456 places, 459 transitions, 929 flow. Second operand 6 states and 2674 transitions. [2024-11-28 04:54:37,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 456 transitions, 1081 flow [2024-11-28 04:54:37,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 456 transitions, 1077 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:37,930 INFO L231 Difference]: Finished difference. Result has 456 places, 456 transitions, 949 flow [2024-11-28 04:54:37,932 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=949, PETRI_PLACES=456, PETRI_TRANSITIONS=456} [2024-11-28 04:54:37,933 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -34 predicate places. [2024-11-28 04:54:37,936 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 456 transitions, 949 flow [2024-11-28 04:54:37,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 433.5) internal successors, (2601), 6 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:37,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:37,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:37,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:54:37,939 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:37,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:37,941 INFO L85 PathProgramCache]: Analyzing trace with hash -815956704, now seen corresponding path program 1 times [2024-11-28 04:54:37,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:37,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494990381] [2024-11-28 04:54:37,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:38,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:38,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494990381] [2024-11-28 04:54:38,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494990381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:38,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:38,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:38,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340459116] [2024-11-28 04:54:38,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:38,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:38,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:38,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:38,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:38,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 534 [2024-11-28 04:54:38,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 456 transitions, 949 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:38,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:38,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 534 [2024-11-28 04:54:38,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:38,171 INFO L124 PetriNetUnfolderBase]: 16/516 cut-off events. [2024-11-28 04:54:38,171 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:54:38,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 516 events. 16/516 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1092 event pairs, 3 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 525. Up to 16 conditions per place. [2024-11-28 04:54:38,174 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 9 selfloop transitions, 2 changer transitions 0/455 dead transitions. [2024-11-28 04:54:38,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 455 transitions, 969 flow [2024-11-28 04:54:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2024-11-28 04:54:38,179 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9456928838951311 [2024-11-28 04:54:38,179 INFO L175 Difference]: Start difference. First operand has 456 places, 456 transitions, 949 flow. Second operand 3 states and 1515 transitions. [2024-11-28 04:54:38,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 455 transitions, 969 flow [2024-11-28 04:54:38,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 455 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:54:38,191 INFO L231 Difference]: Finished difference. Result has 452 places, 455 transitions, 921 flow [2024-11-28 04:54:38,192 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=921, PETRI_PLACES=452, PETRI_TRANSITIONS=455} [2024-11-28 04:54:38,193 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -38 predicate places. [2024-11-28 04:54:38,193 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 455 transitions, 921 flow [2024-11-28 04:54:38,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:38,195 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:38,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:38,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:54:38,195 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:38,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1492885922, now seen corresponding path program 1 times [2024-11-28 04:54:38,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:38,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103508485] [2024-11-28 04:54:38,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:38,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:38,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:38,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103508485] [2024-11-28 04:54:38,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103508485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:38,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:38,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448512107] [2024-11-28 04:54:38,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:38,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:38,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:38,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:38,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:38,342 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 534 [2024-11-28 04:54:38,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 455 transitions, 921 flow. Second operand has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:38,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:38,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 534 [2024-11-28 04:54:38,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:38,422 INFO L124 PetriNetUnfolderBase]: 12/456 cut-off events. [2024-11-28 04:54:38,422 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:54:38,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 456 events. 12/456 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 706 event pairs, 1 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 448. Up to 13 conditions per place. [2024-11-28 04:54:38,425 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 10 selfloop transitions, 2 changer transitions 0/454 dead transitions. [2024-11-28 04:54:38,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 454 transitions, 943 flow [2024-11-28 04:54:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1513 transitions. [2024-11-28 04:54:38,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-28 04:54:38,430 INFO L175 Difference]: Start difference. First operand has 452 places, 455 transitions, 921 flow. Second operand 3 states and 1513 transitions. [2024-11-28 04:54:38,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 454 transitions, 943 flow [2024-11-28 04:54:38,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 454 transitions, 939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:38,456 INFO L231 Difference]: Finished difference. Result has 451 places, 454 transitions, 919 flow [2024-11-28 04:54:38,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=451, PETRI_TRANSITIONS=454} [2024-11-28 04:54:38,458 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -39 predicate places. [2024-11-28 04:54:38,458 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 454 transitions, 919 flow [2024-11-28 04:54:38,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.3333333333333) internal successors, (1504), 3 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:38,460 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:38,460 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:38,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:54:38,460 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:38,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:38,461 INFO L85 PathProgramCache]: Analyzing trace with hash 819644624, now seen corresponding path program 1 times [2024-11-28 04:54:38,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:38,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203263864] [2024-11-28 04:54:38,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:38,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:38,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203263864] [2024-11-28 04:54:38,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203263864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:38,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:38,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:38,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105274274] [2024-11-28 04:54:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:38,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:54:38,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:38,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:54:38,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:54:38,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 534 [2024-11-28 04:54:38,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 454 transitions, 919 flow. Second operand has 5 states, 5 states have (on average 498.6) internal successors, (2493), 5 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:38,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:38,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 534 [2024-11-28 04:54:38,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:39,168 INFO L124 PetriNetUnfolderBase]: 18/788 cut-off events. [2024-11-28 04:54:39,168 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:54:39,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 788 events. 18/788 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2225 event pairs, 0 based on Foata normal form. 1/723 useless extension candidates. Maximal degree in co-relation 793. Up to 12 conditions per place. [2024-11-28 04:54:39,176 INFO L140 encePairwiseOnDemand]: 526/534 looper letters, 16 selfloop transitions, 7 changer transitions 0/461 dead transitions. [2024-11-28 04:54:39,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 461 transitions, 983 flow [2024-11-28 04:54:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:54:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:54:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2509 transitions. [2024-11-28 04:54:39,185 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9397003745318352 [2024-11-28 04:54:39,185 INFO L175 Difference]: Start difference. First operand has 451 places, 454 transitions, 919 flow. Second operand 5 states and 2509 transitions. [2024-11-28 04:54:39,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 461 transitions, 983 flow [2024-11-28 04:54:39,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 461 transitions, 979 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:39,236 INFO L231 Difference]: Finished difference. Result has 455 places, 456 transitions, 946 flow [2024-11-28 04:54:39,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=946, PETRI_PLACES=455, PETRI_TRANSITIONS=456} [2024-11-28 04:54:39,237 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -35 predicate places. [2024-11-28 04:54:39,238 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 456 transitions, 946 flow [2024-11-28 04:54:39,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 498.6) internal successors, (2493), 5 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:39,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:39,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:39,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:54:39,240 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:39,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2079737201, now seen corresponding path program 1 times [2024-11-28 04:54:39,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:39,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813534586] [2024-11-28 04:54:39,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:39,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:39,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813534586] [2024-11-28 04:54:39,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813534586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:39,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:39,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:39,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556132633] [2024-11-28 04:54:39,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:39,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:39,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:39,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:39,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:39,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 534 [2024-11-28 04:54:39,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 456 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:39,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:39,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 534 [2024-11-28 04:54:39,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:39,626 INFO L124 PetriNetUnfolderBase]: 39/1132 cut-off events. [2024-11-28 04:54:39,628 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 04:54:39,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1132 events. 39/1132 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4220 event pairs, 0 based on Foata normal form. 0/1025 useless extension candidates. Maximal degree in co-relation 1169. Up to 31 conditions per place. [2024-11-28 04:54:39,634 INFO L140 encePairwiseOnDemand]: 528/534 looper letters, 15 selfloop transitions, 3 changer transitions 0/460 dead transitions. [2024-11-28 04:54:39,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 460 transitions, 994 flow [2024-11-28 04:54:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2024-11-28 04:54:39,639 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949438202247191 [2024-11-28 04:54:39,639 INFO L175 Difference]: Start difference. First operand has 455 places, 456 transitions, 946 flow. Second operand 3 states and 1521 transitions. [2024-11-28 04:54:39,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 460 transitions, 994 flow [2024-11-28 04:54:39,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 460 transitions, 987 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:39,650 INFO L231 Difference]: Finished difference. Result has 453 places, 456 transitions, 954 flow [2024-11-28 04:54:39,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=954, PETRI_PLACES=453, PETRI_TRANSITIONS=456} [2024-11-28 04:54:39,653 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -37 predicate places. [2024-11-28 04:54:39,655 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 456 transitions, 954 flow [2024-11-28 04:54:39,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:39,656 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:39,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:39,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:54:39,657 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:39,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:39,658 INFO L85 PathProgramCache]: Analyzing trace with hash 489533872, now seen corresponding path program 1 times [2024-11-28 04:54:39,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:39,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419950130] [2024-11-28 04:54:39,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:39,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419950130] [2024-11-28 04:54:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419950130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:39,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:39,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:39,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42085147] [2024-11-28 04:54:39,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:39,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:39,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:39,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:39,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:39,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 534 [2024-11-28 04:54:39,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 456 transitions, 954 flow. Second operand has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:39,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:39,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 534 [2024-11-28 04:54:39,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:40,052 INFO L124 PetriNetUnfolderBase]: 55/1376 cut-off events. [2024-11-28 04:54:40,052 INFO L125 PetriNetUnfolderBase]: For 10/18 co-relation queries the response was YES. [2024-11-28 04:54:40,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1482 conditions, 1376 events. 55/1376 cut-off events. For 10/18 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5959 event pairs, 0 based on Foata normal form. 0/1237 useless extension candidates. Maximal degree in co-relation 1448. Up to 43 conditions per place. [2024-11-28 04:54:40,060 INFO L140 encePairwiseOnDemand]: 530/534 looper letters, 12 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-28 04:54:40,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 459 transitions, 991 flow [2024-11-28 04:54:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:40,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2024-11-28 04:54:40,064 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9519350811485643 [2024-11-28 04:54:40,065 INFO L175 Difference]: Start difference. First operand has 453 places, 456 transitions, 954 flow. Second operand 3 states and 1525 transitions. [2024-11-28 04:54:40,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 459 transitions, 991 flow [2024-11-28 04:54:40,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 459 transitions, 991 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:40,075 INFO L231 Difference]: Finished difference. Result has 454 places, 456 transitions, 964 flow [2024-11-28 04:54:40,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=964, PETRI_PLACES=454, PETRI_TRANSITIONS=456} [2024-11-28 04:54:40,078 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -36 predicate places. [2024-11-28 04:54:40,078 INFO L471 AbstractCegarLoop]: Abstraction has has 454 places, 456 transitions, 964 flow [2024-11-28 04:54:40,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:40,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:40,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:40,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:54:40,081 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:40,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:40,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2004311854, now seen corresponding path program 1 times [2024-11-28 04:54:40,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:40,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163720016] [2024-11-28 04:54:40,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:40,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:40,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:40,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163720016] [2024-11-28 04:54:40,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163720016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:40,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:40,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:40,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140003613] [2024-11-28 04:54:40,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:40,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:40,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:40,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:40,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:40,208 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 534 [2024-11-28 04:54:40,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 456 transitions, 964 flow. Second operand has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:40,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:40,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 534 [2024-11-28 04:54:40,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:40,705 INFO L124 PetriNetUnfolderBase]: 95/2044 cut-off events. [2024-11-28 04:54:40,706 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 04:54:40,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 2044 events. 95/2044 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11986 event pairs, 8 based on Foata normal form. 0/1828 useless extension candidates. Maximal degree in co-relation 2198. Up to 84 conditions per place. [2024-11-28 04:54:40,716 INFO L140 encePairwiseOnDemand]: 530/534 looper letters, 12 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-28 04:54:40,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 459 transitions, 1001 flow [2024-11-28 04:54:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2024-11-28 04:54:40,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9519350811485643 [2024-11-28 04:54:40,722 INFO L175 Difference]: Start difference. First operand has 454 places, 456 transitions, 964 flow. Second operand 3 states and 1525 transitions. [2024-11-28 04:54:40,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 459 transitions, 1001 flow [2024-11-28 04:54:40,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 459 transitions, 1001 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:40,734 INFO L231 Difference]: Finished difference. Result has 455 places, 456 transitions, 974 flow [2024-11-28 04:54:40,735 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=974, PETRI_PLACES=455, PETRI_TRANSITIONS=456} [2024-11-28 04:54:40,736 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -35 predicate places. [2024-11-28 04:54:40,737 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 456 transitions, 974 flow [2024-11-28 04:54:40,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:40,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:40,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:40,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:54:40,738 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:40,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:40,740 INFO L85 PathProgramCache]: Analyzing trace with hash -569673258, now seen corresponding path program 1 times [2024-11-28 04:54:40,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:40,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506747802] [2024-11-28 04:54:40,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:41,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:41,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506747802] [2024-11-28 04:54:41,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506747802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:41,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:41,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:54:41,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370165420] [2024-11-28 04:54:41,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:41,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:54:41,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:41,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:54:41,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:54:41,556 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 534 [2024-11-28 04:54:41,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 456 transitions, 974 flow. Second operand has 7 states, 7 states have (on average 480.0) internal successors, (3360), 7 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:41,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:41,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 534 [2024-11-28 04:54:41,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:42,435 INFO L124 PetriNetUnfolderBase]: 123/2878 cut-off events. [2024-11-28 04:54:42,436 INFO L125 PetriNetUnfolderBase]: For 19/37 co-relation queries the response was YES. [2024-11-28 04:54:42,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3290 conditions, 2878 events. 123/2878 cut-off events. For 19/37 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 18125 event pairs, 18 based on Foata normal form. 8/2620 useless extension candidates. Maximal degree in co-relation 3253. Up to 100 conditions per place. [2024-11-28 04:54:42,449 INFO L140 encePairwiseOnDemand]: 513/534 looper letters, 44 selfloop transitions, 28 changer transitions 0/491 dead transitions. [2024-11-28 04:54:42,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 491 transitions, 1193 flow [2024-11-28 04:54:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:54:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:54:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4843 transitions. [2024-11-28 04:54:42,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069288389513108 [2024-11-28 04:54:42,461 INFO L175 Difference]: Start difference. First operand has 455 places, 456 transitions, 974 flow. Second operand 10 states and 4843 transitions. [2024-11-28 04:54:42,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 491 transitions, 1193 flow [2024-11-28 04:54:42,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 491 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:42,471 INFO L231 Difference]: Finished difference. Result has 468 places, 472 transitions, 1103 flow [2024-11-28 04:54:42,472 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1103, PETRI_PLACES=468, PETRI_TRANSITIONS=472} [2024-11-28 04:54:42,473 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -22 predicate places. [2024-11-28 04:54:42,473 INFO L471 AbstractCegarLoop]: Abstraction has has 468 places, 472 transitions, 1103 flow [2024-11-28 04:54:42,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 480.0) internal successors, (3360), 7 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:42,475 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:42,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:42,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:54:42,475 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:42,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2143557978, now seen corresponding path program 1 times [2024-11-28 04:54:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:42,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381015992] [2024-11-28 04:54:42,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:42,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:42,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381015992] [2024-11-28 04:54:42,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381015992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:42,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:42,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99211105] [2024-11-28 04:54:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:42,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:54:42,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:42,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:54:42,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:54:42,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 534 [2024-11-28 04:54:42,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 472 transitions, 1103 flow. Second operand has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:42,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:42,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 534 [2024-11-28 04:54:42,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:43,526 INFO L124 PetriNetUnfolderBase]: 122/2431 cut-off events. [2024-11-28 04:54:43,526 INFO L125 PetriNetUnfolderBase]: For 83/86 co-relation queries the response was YES. [2024-11-28 04:54:43,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2844 conditions, 2431 events. 122/2431 cut-off events. For 83/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14470 event pairs, 33 based on Foata normal form. 5/2230 useless extension candidates. Maximal degree in co-relation 2800. Up to 115 conditions per place. [2024-11-28 04:54:43,536 INFO L140 encePairwiseOnDemand]: 526/534 looper letters, 17 selfloop transitions, 7 changer transitions 0/480 dead transitions. [2024-11-28 04:54:43,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 480 transitions, 1172 flow [2024-11-28 04:54:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:54:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:54:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2510 transitions. [2024-11-28 04:54:43,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9400749063670412 [2024-11-28 04:54:43,543 INFO L175 Difference]: Start difference. First operand has 468 places, 472 transitions, 1103 flow. Second operand 5 states and 2510 transitions. [2024-11-28 04:54:43,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 480 transitions, 1172 flow [2024-11-28 04:54:43,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 480 transitions, 1172 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:43,553 INFO L231 Difference]: Finished difference. Result has 474 places, 474 transitions, 1134 flow [2024-11-28 04:54:43,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1103, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1134, PETRI_PLACES=474, PETRI_TRANSITIONS=474} [2024-11-28 04:54:43,554 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -16 predicate places. [2024-11-28 04:54:43,554 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 474 transitions, 1134 flow [2024-11-28 04:54:43,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 499.0) internal successors, (2495), 5 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:43,556 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:43,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:43,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:54:43,556 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:43,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash 523771579, now seen corresponding path program 1 times [2024-11-28 04:54:43,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:43,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058902294] [2024-11-28 04:54:43,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:43,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:43,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058902294] [2024-11-28 04:54:43,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058902294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:43,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:43,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414500305] [2024-11-28 04:54:43,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:43,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:54:43,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:43,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:54:43,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:54:43,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 534 [2024-11-28 04:54:44,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 474 transitions, 1134 flow. Second operand has 5 states, 5 states have (on average 500.0) internal successors, (2500), 5 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:44,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:44,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 534 [2024-11-28 04:54:44,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:44,725 INFO L124 PetriNetUnfolderBase]: 104/2582 cut-off events. [2024-11-28 04:54:44,726 INFO L125 PetriNetUnfolderBase]: For 160/163 co-relation queries the response was YES. [2024-11-28 04:54:44,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3044 conditions, 2582 events. 104/2582 cut-off events. For 160/163 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14811 event pairs, 24 based on Foata normal form. 5/2375 useless extension candidates. Maximal degree in co-relation 2996. Up to 78 conditions per place. [2024-11-28 04:54:44,738 INFO L140 encePairwiseOnDemand]: 525/534 looper letters, 17 selfloop transitions, 12 changer transitions 0/483 dead transitions. [2024-11-28 04:54:44,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 483 transitions, 1218 flow [2024-11-28 04:54:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3014 transitions. [2024-11-28 04:54:44,746 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9406991260923845 [2024-11-28 04:54:44,746 INFO L175 Difference]: Start difference. First operand has 474 places, 474 transitions, 1134 flow. Second operand 6 states and 3014 transitions. [2024-11-28 04:54:44,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 483 transitions, 1218 flow [2024-11-28 04:54:44,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 483 transitions, 1209 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:44,758 INFO L231 Difference]: Finished difference. Result has 481 places, 478 transitions, 1191 flow [2024-11-28 04:54:44,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1120, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1191, PETRI_PLACES=481, PETRI_TRANSITIONS=478} [2024-11-28 04:54:44,760 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -9 predicate places. [2024-11-28 04:54:44,760 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 478 transitions, 1191 flow [2024-11-28 04:54:44,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 500.0) internal successors, (2500), 5 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:44,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:44,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:44,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:54:44,761 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:44,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:44,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1521840446, now seen corresponding path program 1 times [2024-11-28 04:54:44,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:44,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251996014] [2024-11-28 04:54:44,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:44,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:44,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:44,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251996014] [2024-11-28 04:54:44,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251996014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:44,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:44,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:44,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638052306] [2024-11-28 04:54:44,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:44,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:44,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:44,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:44,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:44,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 534 [2024-11-28 04:54:44,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 478 transitions, 1191 flow. Second operand has 3 states, 3 states have (on average 501.6666666666667) internal successors, (1505), 3 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:44,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:44,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 534 [2024-11-28 04:54:44,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:45,461 INFO L124 PetriNetUnfolderBase]: 64/2292 cut-off events. [2024-11-28 04:54:45,461 INFO L125 PetriNetUnfolderBase]: For 119/125 co-relation queries the response was YES. [2024-11-28 04:54:45,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2745 conditions, 2292 events. 64/2292 cut-off events. For 119/125 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 11890 event pairs, 0 based on Foata normal form. 0/2113 useless extension candidates. Maximal degree in co-relation 2693. Up to 99 conditions per place. [2024-11-28 04:54:45,471 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 11 selfloop transitions, 2 changer transitions 0/477 dead transitions. [2024-11-28 04:54:45,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 477 transitions, 1215 flow [2024-11-28 04:54:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1511 transitions. [2024-11-28 04:54:45,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431960049937578 [2024-11-28 04:54:45,476 INFO L175 Difference]: Start difference. First operand has 481 places, 478 transitions, 1191 flow. Second operand 3 states and 1511 transitions. [2024-11-28 04:54:45,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 477 transitions, 1215 flow [2024-11-28 04:54:45,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 477 transitions, 1206 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:45,487 INFO L231 Difference]: Finished difference. Result has 481 places, 477 transitions, 1184 flow [2024-11-28 04:54:45,488 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=481, PETRI_TRANSITIONS=477} [2024-11-28 04:54:45,488 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -9 predicate places. [2024-11-28 04:54:45,489 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 477 transitions, 1184 flow [2024-11-28 04:54:45,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.6666666666667) internal successors, (1505), 3 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:45,491 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:45,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:45,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:54:45,492 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:45,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash -337638025, now seen corresponding path program 1 times [2024-11-28 04:54:45,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:45,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110620666] [2024-11-28 04:54:45,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:46,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:46,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110620666] [2024-11-28 04:54:46,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110620666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:46,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:46,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:46,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056027361] [2024-11-28 04:54:46,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:46,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:54:46,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:46,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:54:46,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:54:46,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 534 [2024-11-28 04:54:46,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 477 transitions, 1184 flow. Second operand has 6 states, 6 states have (on average 452.6666666666667) internal successors, (2716), 6 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:46,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:46,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 534 [2024-11-28 04:54:46,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:47,781 INFO L124 PetriNetUnfolderBase]: 258/3166 cut-off events. [2024-11-28 04:54:47,782 INFO L125 PetriNetUnfolderBase]: For 187/187 co-relation queries the response was YES. [2024-11-28 04:54:47,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4274 conditions, 3166 events. 258/3166 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 20414 event pairs, 164 based on Foata normal form. 0/2916 useless extension candidates. Maximal degree in co-relation 4221. Up to 654 conditions per place. [2024-11-28 04:54:47,809 INFO L140 encePairwiseOnDemand]: 528/534 looper letters, 60 selfloop transitions, 5 changer transitions 0/476 dead transitions. [2024-11-28 04:54:47,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 476 transitions, 1312 flow [2024-11-28 04:54:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2768 transitions. [2024-11-28 04:54:47,817 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8639200998751561 [2024-11-28 04:54:47,818 INFO L175 Difference]: Start difference. First operand has 481 places, 477 transitions, 1184 flow. Second operand 6 states and 2768 transitions. [2024-11-28 04:54:47,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 476 transitions, 1312 flow [2024-11-28 04:54:47,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 476 transitions, 1308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:47,829 INFO L231 Difference]: Finished difference. Result has 483 places, 476 transitions, 1188 flow [2024-11-28 04:54:47,831 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1178, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1188, PETRI_PLACES=483, PETRI_TRANSITIONS=476} [2024-11-28 04:54:47,831 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -7 predicate places. [2024-11-28 04:54:47,832 INFO L471 AbstractCegarLoop]: Abstraction has has 483 places, 476 transitions, 1188 flow [2024-11-28 04:54:47,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 452.6666666666667) internal successors, (2716), 6 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:47,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:47,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:47,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:54:47,834 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:47,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash -304726920, now seen corresponding path program 1 times [2024-11-28 04:54:47,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:47,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920341967] [2024-11-28 04:54:47,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:47,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:47,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:47,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920341967] [2024-11-28 04:54:47,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920341967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:47,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:47,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:47,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641910487] [2024-11-28 04:54:47,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:47,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:47,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:47,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:47,962 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 534 [2024-11-28 04:54:47,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 476 transitions, 1188 flow. Second operand has 3 states, 3 states have (on average 501.6666666666667) internal successors, (1505), 3 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:47,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:47,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 534 [2024-11-28 04:54:47,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:48,413 INFO L124 PetriNetUnfolderBase]: 64/2277 cut-off events. [2024-11-28 04:54:48,413 INFO L125 PetriNetUnfolderBase]: For 96/102 co-relation queries the response was YES. [2024-11-28 04:54:48,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2737 conditions, 2277 events. 64/2277 cut-off events. For 96/102 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 11727 event pairs, 0 based on Foata normal form. 0/2113 useless extension candidates. Maximal degree in co-relation 2685. Up to 99 conditions per place. [2024-11-28 04:54:48,425 INFO L140 encePairwiseOnDemand]: 531/534 looper letters, 11 selfloop transitions, 2 changer transitions 0/475 dead transitions. [2024-11-28 04:54:48,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 475 transitions, 1212 flow [2024-11-28 04:54:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1511 transitions. [2024-11-28 04:54:48,429 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431960049937578 [2024-11-28 04:54:48,429 INFO L175 Difference]: Start difference. First operand has 483 places, 476 transitions, 1188 flow. Second operand 3 states and 1511 transitions. [2024-11-28 04:54:48,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 475 transitions, 1212 flow [2024-11-28 04:54:48,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 475 transitions, 1202 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:54:48,443 INFO L231 Difference]: Finished difference. Result has 479 places, 475 transitions, 1180 flow [2024-11-28 04:54:48,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1176, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1180, PETRI_PLACES=479, PETRI_TRANSITIONS=475} [2024-11-28 04:54:48,444 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -11 predicate places. [2024-11-28 04:54:48,444 INFO L471 AbstractCegarLoop]: Abstraction has has 479 places, 475 transitions, 1180 flow [2024-11-28 04:54:48,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.6666666666667) internal successors, (1505), 3 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:48,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:48,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:48,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:54:48,446 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:48,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:48,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1118106472, now seen corresponding path program 1 times [2024-11-28 04:54:48,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:48,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619985989] [2024-11-28 04:54:48,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:48,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:48,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619985989] [2024-11-28 04:54:48,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619985989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:48,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:48,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964957663] [2024-11-28 04:54:48,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:48,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:48,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:48,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:48,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:48,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 534 [2024-11-28 04:54:48,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 475 transitions, 1180 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:48,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:48,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 534 [2024-11-28 04:54:48,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:48,964 INFO L124 PetriNetUnfolderBase]: 64/2235 cut-off events. [2024-11-28 04:54:48,965 INFO L125 PetriNetUnfolderBase]: For 96/102 co-relation queries the response was YES. [2024-11-28 04:54:48,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2705 conditions, 2235 events. 64/2235 cut-off events. For 96/102 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 11412 event pairs, 0 based on Foata normal form. 0/2113 useless extension candidates. Maximal degree in co-relation 2654. Up to 84 conditions per place. [2024-11-28 04:54:48,973 INFO L140 encePairwiseOnDemand]: 529/534 looper letters, 12 selfloop transitions, 1 changer transitions 0/471 dead transitions. [2024-11-28 04:54:48,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 471 transitions, 1198 flow [2024-11-28 04:54:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:48,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1508 transitions. [2024-11-28 04:54:48,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9413233458177278 [2024-11-28 04:54:48,977 INFO L175 Difference]: Start difference. First operand has 479 places, 475 transitions, 1180 flow. Second operand 3 states and 1508 transitions. [2024-11-28 04:54:48,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 471 transitions, 1198 flow [2024-11-28 04:54:48,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 471 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:48,986 INFO L231 Difference]: Finished difference. Result has 475 places, 471 transitions, 1170 flow [2024-11-28 04:54:48,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1170, PETRI_PLACES=475, PETRI_TRANSITIONS=471} [2024-11-28 04:54:48,987 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -15 predicate places. [2024-11-28 04:54:48,987 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 471 transitions, 1170 flow [2024-11-28 04:54:48,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:48,988 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:48,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:48,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:54:48,988 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:48,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:48,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2110428928, now seen corresponding path program 1 times [2024-11-28 04:54:48,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597453313] [2024-11-28 04:54:48,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:48,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:54:49,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:49,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597453313] [2024-11-28 04:54:49,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597453313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:49,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:49,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:49,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053177559] [2024-11-28 04:54:49,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:49,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:54:49,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:49,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:54:49,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:54:50,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 534 [2024-11-28 04:54:50,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 471 transitions, 1170 flow. Second operand has 6 states, 6 states have (on average 477.8333333333333) internal successors, (2867), 6 states have internal predecessors, (2867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:50,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:50,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 534 [2024-11-28 04:54:50,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:51,194 INFO L124 PetriNetUnfolderBase]: 242/3490 cut-off events. [2024-11-28 04:54:51,194 INFO L125 PetriNetUnfolderBase]: For 192/193 co-relation queries the response was YES. [2024-11-28 04:54:51,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4470 conditions, 3490 events. 242/3490 cut-off events. For 192/193 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 23070 event pairs, 82 based on Foata normal form. 0/3257 useless extension candidates. Maximal degree in co-relation 4418. Up to 402 conditions per place. [2024-11-28 04:54:51,213 INFO L140 encePairwiseOnDemand]: 523/534 looper letters, 44 selfloop transitions, 22 changer transitions 0/496 dead transitions. [2024-11-28 04:54:51,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 496 transitions, 1356 flow [2024-11-28 04:54:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2915 transitions. [2024-11-28 04:54:51,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9098002496878901 [2024-11-28 04:54:51,220 INFO L175 Difference]: Start difference. First operand has 475 places, 471 transitions, 1170 flow. Second operand 6 states and 2915 transitions. [2024-11-28 04:54:51,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 496 transitions, 1356 flow [2024-11-28 04:54:51,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 496 transitions, 1355 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:51,232 INFO L231 Difference]: Finished difference. Result has 484 places, 492 transitions, 1319 flow [2024-11-28 04:54:51,232 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1319, PETRI_PLACES=484, PETRI_TRANSITIONS=492} [2024-11-28 04:54:51,233 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -6 predicate places. [2024-11-28 04:54:51,233 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 492 transitions, 1319 flow [2024-11-28 04:54:51,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 477.8333333333333) internal successors, (2867), 6 states have internal predecessors, (2867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:51,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:51,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:51,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:54:51,235 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:51,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:51,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2038682738, now seen corresponding path program 1 times [2024-11-28 04:54:51,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:51,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529844287] [2024-11-28 04:54:51,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:51,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:51,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:51,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529844287] [2024-11-28 04:54:51,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529844287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:51,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:51,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:51,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862912021] [2024-11-28 04:54:51,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:51,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:51,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:51,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:51,331 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 534 [2024-11-28 04:54:51,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 492 transitions, 1319 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:51,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:51,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 534 [2024-11-28 04:54:51,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:51,920 INFO L124 PetriNetUnfolderBase]: 128/2803 cut-off events. [2024-11-28 04:54:51,920 INFO L125 PetriNetUnfolderBase]: For 128/137 co-relation queries the response was YES. [2024-11-28 04:54:51,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3512 conditions, 2803 events. 128/2803 cut-off events. For 128/137 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 16260 event pairs, 4 based on Foata normal form. 0/2688 useless extension candidates. Maximal degree in co-relation 3457. Up to 105 conditions per place. [2024-11-28 04:54:51,935 INFO L140 encePairwiseOnDemand]: 527/534 looper letters, 12 selfloop transitions, 3 changer transitions 0/490 dead transitions. [2024-11-28 04:54:51,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 490 transitions, 1345 flow [2024-11-28 04:54:51,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1510 transitions. [2024-11-28 04:54:51,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425717852684145 [2024-11-28 04:54:51,939 INFO L175 Difference]: Start difference. First operand has 484 places, 492 transitions, 1319 flow. Second operand 3 states and 1510 transitions. [2024-11-28 04:54:51,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 490 transitions, 1345 flow [2024-11-28 04:54:51,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 490 transitions, 1345 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:51,950 INFO L231 Difference]: Finished difference. Result has 483 places, 490 transitions, 1328 flow [2024-11-28 04:54:51,951 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1328, PETRI_PLACES=483, PETRI_TRANSITIONS=490} [2024-11-28 04:54:51,952 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -7 predicate places. [2024-11-28 04:54:51,952 INFO L471 AbstractCegarLoop]: Abstraction has has 483 places, 490 transitions, 1328 flow [2024-11-28 04:54:51,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:51,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:51,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:51,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:54:51,953 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:51,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:51,955 INFO L85 PathProgramCache]: Analyzing trace with hash 73369383, now seen corresponding path program 1 times [2024-11-28 04:54:51,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:51,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805323058] [2024-11-28 04:54:51,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:54:52,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805323058] [2024-11-28 04:54:52,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805323058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:52,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:52,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:52,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530421324] [2024-11-28 04:54:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:52,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:54:52,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:52,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:54:52,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:54:53,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 534 [2024-11-28 04:54:53,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 490 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 456.6666666666667) internal successors, (2740), 6 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:53,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:53,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 534 [2024-11-28 04:54:53,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:54,433 INFO L124 PetriNetUnfolderBase]: 575/4337 cut-off events. [2024-11-28 04:54:54,433 INFO L125 PetriNetUnfolderBase]: For 590/615 co-relation queries the response was YES. [2024-11-28 04:54:54,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6741 conditions, 4337 events. 575/4337 cut-off events. For 590/615 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 30617 event pairs, 232 based on Foata normal form. 4/4107 useless extension candidates. Maximal degree in co-relation 6684. Up to 1126 conditions per place. [2024-11-28 04:54:54,461 INFO L140 encePairwiseOnDemand]: 515/534 looper letters, 85 selfloop transitions, 55 changer transitions 0/547 dead transitions. [2024-11-28 04:54:54,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 547 transitions, 1758 flow [2024-11-28 04:54:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2837 transitions. [2024-11-28 04:54:54,466 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8854556803995006 [2024-11-28 04:54:54,466 INFO L175 Difference]: Start difference. First operand has 483 places, 490 transitions, 1328 flow. Second operand 6 states and 2837 transitions. [2024-11-28 04:54:54,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 547 transitions, 1758 flow [2024-11-28 04:54:54,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 547 transitions, 1758 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:54,480 INFO L231 Difference]: Finished difference. Result has 493 places, 543 transitions, 1722 flow [2024-11-28 04:54:54,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1722, PETRI_PLACES=493, PETRI_TRANSITIONS=543} [2024-11-28 04:54:54,482 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, 3 predicate places. [2024-11-28 04:54:54,482 INFO L471 AbstractCegarLoop]: Abstraction has has 493 places, 543 transitions, 1722 flow [2024-11-28 04:54:54,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.6666666666667) internal successors, (2740), 6 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:54,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:54,483 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:54,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:54:54,484 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:54,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:54,485 INFO L85 PathProgramCache]: Analyzing trace with hash 929276336, now seen corresponding path program 1 times [2024-11-28 04:54:54,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:54,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053632001] [2024-11-28 04:54:54,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:54,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:54,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:54,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053632001] [2024-11-28 04:54:54,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053632001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:54,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:54,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:54:54,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111922009] [2024-11-28 04:54:54,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:54,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:54:54,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:54,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:54:54,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:54:55,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 534 [2024-11-28 04:54:55,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 543 transitions, 1722 flow. Second operand has 7 states, 7 states have (on average 481.2857142857143) internal successors, (3369), 7 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:55,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:55,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 534 [2024-11-28 04:54:55,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:56,441 INFO L124 PetriNetUnfolderBase]: 335/4076 cut-off events. [2024-11-28 04:54:56,441 INFO L125 PetriNetUnfolderBase]: For 478/501 co-relation queries the response was YES. [2024-11-28 04:54:56,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5843 conditions, 4076 events. 335/4076 cut-off events. For 478/501 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 28275 event pairs, 33 based on Foata normal form. 13/3951 useless extension candidates. Maximal degree in co-relation 5780. Up to 265 conditions per place. [2024-11-28 04:54:56,454 INFO L140 encePairwiseOnDemand]: 521/534 looper letters, 54 selfloop transitions, 18 changer transitions 0/564 dead transitions. [2024-11-28 04:54:56,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 564 transitions, 1913 flow [2024-11-28 04:54:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:54:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:54:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4829 transitions. [2024-11-28 04:54:56,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9043071161048689 [2024-11-28 04:54:56,461 INFO L175 Difference]: Start difference. First operand has 493 places, 543 transitions, 1722 flow. Second operand 10 states and 4829 transitions. [2024-11-28 04:54:56,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 564 transitions, 1913 flow [2024-11-28 04:54:56,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 564 transitions, 1881 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-28 04:54:56,476 INFO L231 Difference]: Finished difference. Result has 506 places, 554 transitions, 1777 flow [2024-11-28 04:54:56,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=534, PETRI_DIFFERENCE_MINUEND_FLOW=1690, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1777, PETRI_PLACES=506, PETRI_TRANSITIONS=554} [2024-11-28 04:54:56,477 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, 16 predicate places. [2024-11-28 04:54:56,477 INFO L471 AbstractCegarLoop]: Abstraction has has 506 places, 554 transitions, 1777 flow [2024-11-28 04:54:56,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 481.2857142857143) internal successors, (3369), 7 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:56,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:56,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:56,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:54:56,479 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 04:54:56,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1665408146, now seen corresponding path program 1 times [2024-11-28 04:54:56,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:56,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649622535] [2024-11-28 04:54:56,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:56,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat