./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/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_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/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_1c884878-625c-48cf-b710-5799d5c28be1/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 c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:24:58,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:24:58,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:24:58,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:24:58,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:24:58,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:24:58,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:24:58,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:24:58,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:24:58,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:24:58,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:24:58,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:24:58,230 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:24:58,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:24:58,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:24:58,232 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:24:58,233 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:24:58,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:24:58,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:24:58,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:24:58,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:24:58,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:24:58,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:24:58,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:24:58,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:24:58,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:24:58,235 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_1c884878-625c-48cf-b710-5799d5c28be1/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 -> c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 [2024-11-28 04:24:58,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:24:58,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:24:58,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:24:58,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:24:58,622 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:24:58,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2024-11-28 04:25:01,671 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/data/6d77dca76/a0bfc95271a14f7498b91d953a94967e/FLAGa9f295c17 [2024-11-28 04:25:02,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:25:02,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2024-11-28 04:25:02,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/data/6d77dca76/a0bfc95271a14f7498b91d953a94967e/FLAGa9f295c17 [2024-11-28 04:25:02,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/data/6d77dca76/a0bfc95271a14f7498b91d953a94967e [2024-11-28 04:25:02,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:25:02,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:25:02,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:25:02,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:25:02,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:25:02,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:25:02" (1/1) ... [2024-11-28 04:25:02,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2875ab17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:02, skipping insertion in model container [2024-11-28 04:25:02,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:25:02" (1/1) ... [2024-11-28 04:25:02,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:25:02,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:25:03,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:25:03,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:25:03,185 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:25:03,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03 WrapperNode [2024-11-28 04:25:03,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:25:03,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:25:03,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:25:03,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:25:03,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,296 INFO L138 Inliner]: procedures = 372, calls = 88, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 298 [2024-11-28 04:25:03,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:25:03,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:25:03,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:25:03,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:25:03,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:25:03,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:25:03,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:25:03,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:25:03,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (1/1) ... [2024-11-28 04:25:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:25:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:03,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:25:03,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:25:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:25:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 04:25:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 04:25:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:25:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:25:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:25:03,473 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 04:25:03,740 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:25:03,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:25:04,619 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:25:04,619 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:25:04,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:25:04,664 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:25:04,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:25:04 BoogieIcfgContainer [2024-11-28 04:25:04,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:25:04,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:25:04,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:25:04,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:25:04,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:25:02" (1/3) ... [2024-11-28 04:25:04,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ac2dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:25:04, skipping insertion in model container [2024-11-28 04:25:04,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:25:03" (2/3) ... [2024-11-28 04:25:04,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ac2dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:25:04, skipping insertion in model container [2024-11-28 04:25:04,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:25:04" (3/3) ... [2024-11-28 04:25:04,684 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_11-arraylist_nr.i [2024-11-28 04:25:04,706 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:25:04,708 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_11-arraylist_nr.i that has 2 procedures, 336 locations, 1 initial locations, 2 loop locations, and 18 error locations. [2024-11-28 04:25:04,709 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:25:04,842 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:25:04,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 339 places, 341 transitions, 686 flow [2024-11-28 04:25:05,164 INFO L124 PetriNetUnfolderBase]: 6/340 cut-off events. [2024-11-28 04:25:05,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:25:05,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 340 events. 6/340 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 398 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2024-11-28 04:25:05,182 INFO L82 GeneralOperation]: Start removeDead. Operand has 339 places, 341 transitions, 686 flow [2024-11-28 04:25:05,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 340 transitions, 683 flow [2024-11-28 04:25:05,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:25:05,234 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;@30b782f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:25:05,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-28 04:25:05,281 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:25:05,283 INFO L124 PetriNetUnfolderBase]: 5/133 cut-off events. [2024-11-28 04:25:05,283 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:25:05,283 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:05,284 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] [2024-11-28 04:25:05,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:05,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:05,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2094175485, now seen corresponding path program 1 times [2024-11-28 04:25:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719256187] [2024-11-28 04:25:05,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:05,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:05,868 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 04:25:05,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719256187] [2024-11-28 04:25:05,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719256187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:05,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:05,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:25:05,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729937460] [2024-11-28 04:25:05,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:05,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:25:05,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:05,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:25:05,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:05,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-28 04:25:05,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 340 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 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 04:25:05,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:05,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-28 04:25:05,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:06,168 INFO L124 PetriNetUnfolderBase]: 8/416 cut-off events. [2024-11-28 04:25:06,168 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:25:06,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 416 events. 8/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 872 event pairs, 6 based on Foata normal form. 6/391 useless extension candidates. Maximal degree in co-relation 219. Up to 24 conditions per place. [2024-11-28 04:25:06,174 INFO L140 encePairwiseOnDemand]: 334/341 looper letters, 10 selfloop transitions, 2 changer transitions 1/337 dead transitions. [2024-11-28 04:25:06,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 337 transitions, 701 flow [2024-11-28 04:25:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:25:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:25:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-28 04:25:06,203 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9736070381231672 [2024-11-28 04:25:06,206 INFO L175 Difference]: Start difference. First operand has 338 places, 340 transitions, 683 flow. Second operand 3 states and 996 transitions. [2024-11-28 04:25:06,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 337 transitions, 701 flow [2024-11-28 04:25:06,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 337 transitions, 700 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:25:06,235 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 684 flow [2024-11-28 04:25:06,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-11-28 04:25:06,246 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 2 predicate places. [2024-11-28 04:25:06,246 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 684 flow [2024-11-28 04:25:06,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 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 04:25:06,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:06,249 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] [2024-11-28 04:25:06,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:25:06,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:06,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:06,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1576402772, now seen corresponding path program 1 times [2024-11-28 04:25:06,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:06,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407058648] [2024-11-28 04:25:06,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407058648] [2024-11-28 04:25:06,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407058648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:06,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868106646] [2024-11-28 04:25:06,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:06,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:06,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:25:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:07,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:25:07,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:07,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868106646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:07,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:07,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 04:25:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998001271] [2024-11-28 04:25:07,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:07,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:25:07,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:07,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:25:07,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:25:07,293 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:07,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 684 flow. Second operand has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 0 states have call successors, (0), 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 04:25:07,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:07,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:07,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:07,592 INFO L124 PetriNetUnfolderBase]: 8/422 cut-off events. [2024-11-28 04:25:07,593 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:25:07,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 422 events. 8/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 865 event pairs, 6 based on Foata normal form. 2/394 useless extension candidates. Maximal degree in co-relation 384. Up to 24 conditions per place. [2024-11-28 04:25:07,596 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/344 dead transitions. [2024-11-28 04:25:07,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 748 flow [2024-11-28 04:25:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:25:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:25:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-28 04:25:07,610 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-28 04:25:07,610 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 684 flow. Second operand 9 states and 2932 transitions. [2024-11-28 04:25:07,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 748 flow [2024-11-28 04:25:07,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 746 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:25:07,626 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 732 flow [2024-11-28 04:25:07,627 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=732, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2024-11-28 04:25:07,629 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-28 04:25:07,629 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 732 flow [2024-11-28 04:25:07,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 0 states have call successors, (0), 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 04:25:07,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:07,633 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:07,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:25:07,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:07,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:07,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1912988428, now seen corresponding path program 2 times [2024-11-28 04:25:07,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:07,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371649936] [2024-11-28 04:25:07,841 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:07,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:07,929 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:07,930 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 04:25:08,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371649936] [2024-11-28 04:25:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371649936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:08,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:08,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:08,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295339752] [2024-11-28 04:25:08,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:08,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:08,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:08,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:08,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:09,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-28 04:25:09,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 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 04:25:09,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:09,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-28 04:25:09,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:10,111 INFO L124 PetriNetUnfolderBase]: 366/1697 cut-off events. [2024-11-28 04:25:10,112 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 04:25:10,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 1697 events. 366/1697 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10060 event pairs, 364 based on Foata normal form. 0/1571 useless extension candidates. Maximal degree in co-relation 2426. Up to 800 conditions per place. [2024-11-28 04:25:10,123 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/340 dead transitions. [2024-11-28 04:25:10,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 890 flow [2024-11-28 04:25:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-28 04:25:10,129 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-28 04:25:10,129 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 732 flow. Second operand 6 states and 1607 transitions. [2024-11-28 04:25:10,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 890 flow [2024-11-28 04:25:10,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 340 transitions, 884 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 04:25:10,138 INFO L231 Difference]: Finished difference. Result has 351 places, 340 transitions, 742 flow [2024-11-28 04:25:10,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=351, PETRI_TRANSITIONS=340} [2024-11-28 04:25:10,140 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 13 predicate places. [2024-11-28 04:25:10,140 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 340 transitions, 742 flow [2024-11-28 04:25:10,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 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 04:25:10,141 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:10,142 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:10,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:25:10,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:10,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:10,143 INFO L85 PathProgramCache]: Analyzing trace with hash -662549271, now seen corresponding path program 1 times [2024-11-28 04:25:10,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:10,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843291860] [2024-11-28 04:25:10,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:10,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 04:25:10,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:10,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843291860] [2024-11-28 04:25:10,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843291860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:10,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:10,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:25:10,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147300414] [2024-11-28 04:25:10,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:10,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:25:10,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:10,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:25:10,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:10,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-28 04:25:10,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 340 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 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 04:25:10,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:10,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-28 04:25:10,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:10,478 INFO L124 PetriNetUnfolderBase]: 8/531 cut-off events. [2024-11-28 04:25:10,478 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:25:10,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 531 events. 8/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 863 event pairs, 6 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 494. Up to 24 conditions per place. [2024-11-28 04:25:10,481 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-28 04:25:10,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 341 transitions, 768 flow [2024-11-28 04:25:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:25:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:25:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-28 04:25:10,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9687194525904204 [2024-11-28 04:25:10,485 INFO L175 Difference]: Start difference. First operand has 351 places, 340 transitions, 742 flow. Second operand 3 states and 991 transitions. [2024-11-28 04:25:10,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 341 transitions, 768 flow [2024-11-28 04:25:10,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 341 transitions, 748 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:10,495 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 734 flow [2024-11-28 04:25:10,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-28 04:25:10,496 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-28 04:25:10,497 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 734 flow [2024-11-28 04:25:10,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 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 04:25:10,498 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:10,498 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:10,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:25:10,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:10,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -984016702, now seen corresponding path program 1 times [2024-11-28 04:25:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482577511] [2024-11-28 04:25:10,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:10,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:10,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:10,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482577511] [2024-11-28 04:25:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482577511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:10,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770535036] [2024-11-28 04:25:10,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:10,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:10,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:10,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:10,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:25:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:10,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:25:11,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:11,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:11,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770535036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:11,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:11,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-28 04:25:11,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935715280] [2024-11-28 04:25:11,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:11,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:25:11,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:11,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:25:11,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:25:11,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:11,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 734 flow. Second operand has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 0 states have call successors, (0), 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 04:25:11,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:11,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:11,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:11,799 INFO L124 PetriNetUnfolderBase]: 8/551 cut-off events. [2024-11-28 04:25:11,802 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 04:25:11,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 551 events. 8/551 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 864 event pairs, 6 based on Foata normal form. 4/521 useless extension candidates. Maximal degree in co-relation 476. Up to 24 conditions per place. [2024-11-28 04:25:11,807 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 18 selfloop transitions, 21 changer transitions 0/359 dead transitions. [2024-11-28 04:25:11,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 359 transitions, 900 flow [2024-11-28 04:25:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:25:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 04:25:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-28 04:25:11,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-28 04:25:11,824 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 734 flow. Second operand 21 states and 6826 transitions. [2024-11-28 04:25:11,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 359 transitions, 900 flow [2024-11-28 04:25:11,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 359 transitions, 898 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:25:11,832 INFO L231 Difference]: Finished difference. Result has 373 places, 354 transitions, 862 flow [2024-11-28 04:25:11,833 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=862, PETRI_PLACES=373, PETRI_TRANSITIONS=354} [2024-11-28 04:25:11,834 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 35 predicate places. [2024-11-28 04:25:11,834 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 354 transitions, 862 flow [2024-11-28 04:25:11,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 0 states have call successors, (0), 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 04:25:11,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:11,839 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:11,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:25:12,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:12,043 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1779452542, now seen corresponding path program 2 times [2024-11-28 04:25:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007624965] [2024-11-28 04:25:12,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:12,092 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:12,094 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:25:12,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007624965] [2024-11-28 04:25:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007624965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:12,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:12,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961707145] [2024-11-28 04:25:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:12,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:12,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:12,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:12,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:13,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-28 04:25:13,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 354 transitions, 862 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 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 04:25:13,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:13,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-28 04:25:13,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:14,193 INFO L124 PetriNetUnfolderBase]: 366/1824 cut-off events. [2024-11-28 04:25:14,194 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-28 04:25:14,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 1824 events. 366/1824 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10017 event pairs, 364 based on Foata normal form. 0/1696 useless extension candidates. Maximal degree in co-relation 2581. Up to 830 conditions per place. [2024-11-28 04:25:14,205 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/352 dead transitions. [2024-11-28 04:25:14,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 352 transitions, 1020 flow [2024-11-28 04:25:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-28 04:25:14,212 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-28 04:25:14,213 INFO L175 Difference]: Start difference. First operand has 373 places, 354 transitions, 862 flow. Second operand 6 states and 1607 transitions. [2024-11-28 04:25:14,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 352 transitions, 1020 flow [2024-11-28 04:25:14,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 352 transitions, 996 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 04:25:14,226 INFO L231 Difference]: Finished difference. Result has 370 places, 352 transitions, 854 flow [2024-11-28 04:25:14,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=352} [2024-11-28 04:25:14,229 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 32 predicate places. [2024-11-28 04:25:14,229 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 352 transitions, 854 flow [2024-11-28 04:25:14,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 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 04:25:14,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:14,231 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:14,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:25:14,231 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:14,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:14,232 INFO L85 PathProgramCache]: Analyzing trace with hash 177103976, now seen corresponding path program 1 times [2024-11-28 04:25:14,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:14,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981583743] [2024-11-28 04:25:14,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:14,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:14,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:14,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981583743] [2024-11-28 04:25:14,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981583743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:14,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37192807] [2024-11-28 04:25:14,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:14,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:14,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:14,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:14,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:25:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:14,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:25:14,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:15,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:25:15,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37192807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:15,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:15,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-28 04:25:15,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076117027] [2024-11-28 04:25:15,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:15,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:25:15,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:15,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:25:15,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:25:15,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:15,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 352 transitions, 854 flow. Second operand has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 0 states have call successors, (0), 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 04:25:15,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:15,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:15,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:15,838 INFO L124 PetriNetUnfolderBase]: 8/562 cut-off events. [2024-11-28 04:25:15,838 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2024-11-28 04:25:15,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 562 events. 8/562 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 854 event pairs, 6 based on Foata normal form. 3/535 useless extension candidates. Maximal degree in co-relation 498. Up to 24 conditions per place. [2024-11-28 04:25:15,841 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 30 changer transitions 0/369 dead transitions. [2024-11-28 04:25:15,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 369 transitions, 1078 flow [2024-11-28 04:25:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:25:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-28 04:25:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-28 04:25:15,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-28 04:25:15,859 INFO L175 Difference]: Start difference. First operand has 370 places, 352 transitions, 854 flow. Second operand 30 states and 9744 transitions. [2024-11-28 04:25:15,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 369 transitions, 1078 flow [2024-11-28 04:25:15,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 369 transitions, 1058 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:15,867 INFO L231 Difference]: Finished difference. Result has 398 places, 362 transitions, 986 flow [2024-11-28 04:25:15,868 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=986, PETRI_PLACES=398, PETRI_TRANSITIONS=362} [2024-11-28 04:25:15,869 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 60 predicate places. [2024-11-28 04:25:15,869 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 362 transitions, 986 flow [2024-11-28 04:25:15,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 0 states have call successors, (0), 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 04:25:15,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:15,872 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:15,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:25:16,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:16,077 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:16,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:16,078 INFO L85 PathProgramCache]: Analyzing trace with hash -898116033, now seen corresponding path program 2 times [2024-11-28 04:25:16,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:16,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113956216] [2024-11-28 04:25:16,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:16,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:16,118 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:16,118 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 04:25:16,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:16,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113956216] [2024-11-28 04:25:16,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113956216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:16,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:16,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:16,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769770542] [2024-11-28 04:25:16,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:16,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:16,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:16,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:16,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:17,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 341 [2024-11-28 04:25:17,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 362 transitions, 986 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 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 04:25:17,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:17,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 341 [2024-11-28 04:25:17,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:18,069 INFO L124 PetriNetUnfolderBase]: 392/1927 cut-off events. [2024-11-28 04:25:18,069 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-28 04:25:18,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3004 conditions, 1927 events. 392/1927 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10786 event pairs, 390 based on Foata normal form. 0/1795 useless extension candidates. Maximal degree in co-relation 2732. Up to 899 conditions per place. [2024-11-28 04:25:18,079 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 83 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-28 04:25:18,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 361 transitions, 1160 flow [2024-11-28 04:25:18,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1582 transitions. [2024-11-28 04:25:18,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7732160312805474 [2024-11-28 04:25:18,084 INFO L175 Difference]: Start difference. First operand has 398 places, 362 transitions, 986 flow. Second operand 6 states and 1582 transitions. [2024-11-28 04:25:18,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 361 transitions, 1160 flow [2024-11-28 04:25:18,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 361 transitions, 1114 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-28 04:25:18,094 INFO L231 Difference]: Finished difference. Result has 384 places, 361 transitions, 948 flow [2024-11-28 04:25:18,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=948, PETRI_PLACES=384, PETRI_TRANSITIONS=361} [2024-11-28 04:25:18,095 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 46 predicate places. [2024-11-28 04:25:18,096 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 361 transitions, 948 flow [2024-11-28 04:25:18,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 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 04:25:18,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:18,098 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:18,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:25:18,098 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:18,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:18,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1351573771, now seen corresponding path program 1 times [2024-11-28 04:25:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:18,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67119004] [2024-11-28 04:25:18,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:18,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 04:25:18,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67119004] [2024-11-28 04:25:18,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67119004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:18,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:18,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:18,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548447844] [2024-11-28 04:25:18,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:18,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:19,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:19,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:19,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:19,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 341 [2024-11-28 04:25:19,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 361 transitions, 948 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 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 04:25:19,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:19,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 341 [2024-11-28 04:25:19,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:20,327 INFO L124 PetriNetUnfolderBase]: 56/801 cut-off events. [2024-11-28 04:25:20,328 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-28 04:25:20,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 801 events. 56/801 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2626 event pairs, 54 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 911. Up to 195 conditions per place. [2024-11-28 04:25:20,332 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 57 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-28 04:25:20,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 360 transitions, 1070 flow [2024-11-28 04:25:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1712 transitions. [2024-11-28 04:25:20,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8367546432062561 [2024-11-28 04:25:20,339 INFO L175 Difference]: Start difference. First operand has 384 places, 361 transitions, 948 flow. Second operand 6 states and 1712 transitions. [2024-11-28 04:25:20,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 360 transitions, 1070 flow [2024-11-28 04:25:20,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 360 transitions, 1060 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:20,353 INFO L231 Difference]: Finished difference. Result has 383 places, 360 transitions, 946 flow [2024-11-28 04:25:20,354 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=383, PETRI_TRANSITIONS=360} [2024-11-28 04:25:20,355 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 45 predicate places. [2024-11-28 04:25:20,356 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 360 transitions, 946 flow [2024-11-28 04:25:20,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 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 04:25:20,357 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:20,357 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:20,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:25:20,358 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:20,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1197536638, now seen corresponding path program 1 times [2024-11-28 04:25:20,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:20,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098683437] [2024-11-28 04:25:20,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:20,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 04:25:21,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098683437] [2024-11-28 04:25:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098683437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:21,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:21,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439767353] [2024-11-28 04:25:21,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:21,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:21,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:21,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:21,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:22,108 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-28 04:25:22,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 360 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 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 04:25:22,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:22,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-28 04:25:22,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:22,341 INFO L124 PetriNetUnfolderBase]: 38/716 cut-off events. [2024-11-28 04:25:22,342 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-28 04:25:22,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 716 events. 38/716 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2077 event pairs, 36 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 791. Up to 158 conditions per place. [2024-11-28 04:25:22,345 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 53 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-28 04:25:22,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 359 transitions, 1060 flow [2024-11-28 04:25:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1727 transitions. [2024-11-28 04:25:22,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2024-11-28 04:25:22,354 INFO L175 Difference]: Start difference. First operand has 383 places, 360 transitions, 946 flow. Second operand 6 states and 1727 transitions. [2024-11-28 04:25:22,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 359 transitions, 1060 flow [2024-11-28 04:25:22,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 359 transitions, 1050 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:22,362 INFO L231 Difference]: Finished difference. Result has 382 places, 359 transitions, 944 flow [2024-11-28 04:25:22,363 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=382, PETRI_TRANSITIONS=359} [2024-11-28 04:25:22,364 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 44 predicate places. [2024-11-28 04:25:22,364 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 359 transitions, 944 flow [2024-11-28 04:25:22,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 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 04:25:22,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:22,366 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:22,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:25:22,366 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:22,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash -262865930, now seen corresponding path program 1 times [2024-11-28 04:25:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29209346] [2024-11-28 04:25:22,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 04:25:23,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:23,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29209346] [2024-11-28 04:25:23,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29209346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:23,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:23,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666749531] [2024-11-28 04:25:23,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:23,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:23,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:23,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:23,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:23,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 341 [2024-11-28 04:25:23,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 359 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 0 states have call successors, (0), 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 04:25:23,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:23,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 341 [2024-11-28 04:25:23,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:24,220 INFO L124 PetriNetUnfolderBase]: 366/1831 cut-off events. [2024-11-28 04:25:24,221 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-28 04:25:24,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2843 conditions, 1831 events. 366/1831 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9998 event pairs, 364 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 2594. Up to 846 conditions per place. [2024-11-28 04:25:24,233 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 79 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2024-11-28 04:25:24,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 358 transitions, 1110 flow [2024-11-28 04:25:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1597 transitions. [2024-11-28 04:25:24,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7805474095796676 [2024-11-28 04:25:24,239 INFO L175 Difference]: Start difference. First operand has 382 places, 359 transitions, 944 flow. Second operand 6 states and 1597 transitions. [2024-11-28 04:25:24,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 358 transitions, 1110 flow [2024-11-28 04:25:24,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 358 transitions, 1100 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:24,250 INFO L231 Difference]: Finished difference. Result has 381 places, 358 transitions, 942 flow [2024-11-28 04:25:24,251 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=381, PETRI_TRANSITIONS=358} [2024-11-28 04:25:24,251 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 43 predicate places. [2024-11-28 04:25:24,252 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 358 transitions, 942 flow [2024-11-28 04:25:24,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 0 states have call successors, (0), 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 04:25:24,253 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:24,253 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:24,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:25:24,253 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:24,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1289596692, now seen corresponding path program 1 times [2024-11-28 04:25:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237386105] [2024-11-28 04:25:24,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:24,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 04:25:25,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:25,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237386105] [2024-11-28 04:25:25,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237386105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:25,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:25,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:25,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349963981] [2024-11-28 04:25:25,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:25,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:25,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:25,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:25,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 341 [2024-11-28 04:25:25,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 358 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 0 states have call successors, (0), 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 04:25:25,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:25,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 341 [2024-11-28 04:25:25,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:26,590 INFO L124 PetriNetUnfolderBase]: 366/1829 cut-off events. [2024-11-28 04:25:26,590 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-28 04:25:26,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2839 conditions, 1829 events. 366/1829 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9963 event pairs, 364 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 2590. Up to 844 conditions per place. [2024-11-28 04:25:26,601 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 78 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-28 04:25:26,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 357 transitions, 1106 flow [2024-11-28 04:25:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-11-28 04:25:26,605 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.782991202346041 [2024-11-28 04:25:26,606 INFO L175 Difference]: Start difference. First operand has 381 places, 358 transitions, 942 flow. Second operand 6 states and 1602 transitions. [2024-11-28 04:25:26,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 357 transitions, 1106 flow [2024-11-28 04:25:26,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 357 transitions, 1096 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:26,615 INFO L231 Difference]: Finished difference. Result has 380 places, 357 transitions, 940 flow [2024-11-28 04:25:26,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=380, PETRI_TRANSITIONS=357} [2024-11-28 04:25:26,617 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 42 predicate places. [2024-11-28 04:25:26,617 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 357 transitions, 940 flow [2024-11-28 04:25:26,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 0 states have call successors, (0), 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 04:25:26,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:26,618 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:26,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:25:26,619 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:26,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:26,620 INFO L85 PathProgramCache]: Analyzing trace with hash 897735373, now seen corresponding path program 1 times [2024-11-28 04:25:26,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:26,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967435437] [2024-11-28 04:25:26,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-28 04:25:26,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:26,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967435437] [2024-11-28 04:25:26,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967435437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:26,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080651658] [2024-11-28 04:25:26,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:26,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:26,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:25:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:27,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:25:27,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-28 04:25:27,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-28 04:25:27,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080651658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:27,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:27,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 04:25:27,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414746400] [2024-11-28 04:25:27,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:27,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:25:27,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:27,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:25:27,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:25:27,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:27,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 357 transitions, 940 flow. Second operand has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 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 04:25:27,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:27,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:27,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:27,983 INFO L124 PetriNetUnfolderBase]: 8/659 cut-off events. [2024-11-28 04:25:27,983 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-28 04:25:27,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 659 events. 8/659 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 6 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 607. Up to 24 conditions per place. [2024-11-28 04:25:27,985 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/365 dead transitions. [2024-11-28 04:25:27,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 365 transitions, 1004 flow [2024-11-28 04:25:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:25:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:25:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-28 04:25:27,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-28 04:25:27,989 INFO L175 Difference]: Start difference. First operand has 380 places, 357 transitions, 940 flow. Second operand 9 states and 2932 transitions. [2024-11-28 04:25:27,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 365 transitions, 1004 flow [2024-11-28 04:25:27,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 365 transitions, 994 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:25:27,997 INFO L231 Difference]: Finished difference. Result has 386 places, 363 transitions, 980 flow [2024-11-28 04:25:27,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=980, PETRI_PLACES=386, PETRI_TRANSITIONS=363} [2024-11-28 04:25:27,999 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 48 predicate places. [2024-11-28 04:25:28,000 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 363 transitions, 980 flow [2024-11-28 04:25:28,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 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 04:25:28,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:28,006 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:28,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:25:28,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:25:28,207 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:28,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:28,212 INFO L85 PathProgramCache]: Analyzing trace with hash 457782381, now seen corresponding path program 2 times [2024-11-28 04:25:28,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:28,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817519351] [2024-11-28 04:25:28,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:28,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:28,300 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:28,301 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-11-28 04:25:28,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817519351] [2024-11-28 04:25:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817519351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:28,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:28,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:28,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490253506] [2024-11-28 04:25:28,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:28,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:28,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:28,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:28,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:29,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-28 04:25:29,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 363 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 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 04:25:29,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:29,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-28 04:25:29,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:30,164 INFO L124 PetriNetUnfolderBase]: 258/1966 cut-off events. [2024-11-28 04:25:30,164 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-28 04:25:30,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 1966 events. 258/1966 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10028 event pairs, 34 based on Foata normal form. 0/1840 useless extension candidates. Maximal degree in co-relation 2516. Up to 491 conditions per place. [2024-11-28 04:25:30,173 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 67 selfloop transitions, 70 changer transitions 0/441 dead transitions. [2024-11-28 04:25:30,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 441 transitions, 1410 flow [2024-11-28 04:25:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-28 04:25:30,175 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-28 04:25:30,176 INFO L175 Difference]: Start difference. First operand has 386 places, 363 transitions, 980 flow. Second operand 6 states and 1806 transitions. [2024-11-28 04:25:30,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 441 transitions, 1410 flow [2024-11-28 04:25:30,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 441 transitions, 1404 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 04:25:30,185 INFO L231 Difference]: Finished difference. Result has 395 places, 432 transitions, 1436 flow [2024-11-28 04:25:30,186 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1436, PETRI_PLACES=395, PETRI_TRANSITIONS=432} [2024-11-28 04:25:30,186 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 57 predicate places. [2024-11-28 04:25:30,186 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 432 transitions, 1436 flow [2024-11-28 04:25:30,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 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 04:25:30,187 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:30,188 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:30,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:25:30,188 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:30,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash 424903005, now seen corresponding path program 1 times [2024-11-28 04:25:30,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085327548] [2024-11-28 04:25:30,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-28 04:25:30,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:30,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085327548] [2024-11-28 04:25:30,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085327548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:30,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434682343] [2024-11-28 04:25:30,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:30,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:30,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:30,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:30,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:25:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:31,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:25:31,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-28 04:25:32,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-28 04:25:32,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434682343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:32,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:32,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-28 04:25:32,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041208229] [2024-11-28 04:25:32,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:32,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:25:32,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:32,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:25:32,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:25:33,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:33,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 432 transitions, 1436 flow. Second operand has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 0 states have call successors, (0), 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 04:25:33,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:33,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:33,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:33,984 INFO L124 PetriNetUnfolderBase]: 137/2068 cut-off events. [2024-11-28 04:25:33,985 INFO L125 PetriNetUnfolderBase]: For 309/329 co-relation queries the response was YES. [2024-11-28 04:25:33,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2886 conditions, 2068 events. 137/2068 cut-off events. For 309/329 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7240 event pairs, 21 based on Foata normal form. 4/1985 useless extension candidates. Maximal degree in co-relation 2629. Up to 206 conditions per place. [2024-11-28 04:25:33,995 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 19 selfloop transitions, 21 changer transitions 0/450 dead transitions. [2024-11-28 04:25:33,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 450 transitions, 1604 flow [2024-11-28 04:25:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:25:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 04:25:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-28 04:25:34,003 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-28 04:25:34,003 INFO L175 Difference]: Start difference. First operand has 395 places, 432 transitions, 1436 flow. Second operand 21 states and 6826 transitions. [2024-11-28 04:25:34,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 450 transitions, 1604 flow [2024-11-28 04:25:34,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 450 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:25:34,017 INFO L231 Difference]: Finished difference. Result has 420 places, 445 transitions, 1566 flow [2024-11-28 04:25:34,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1566, PETRI_PLACES=420, PETRI_TRANSITIONS=445} [2024-11-28 04:25:34,018 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 82 predicate places. [2024-11-28 04:25:34,019 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 445 transitions, 1566 flow [2024-11-28 04:25:34,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 0 states have call successors, (0), 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 04:25:34,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:34,023 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:34,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:25:34,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 04:25:34,227 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:34,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:34,229 INFO L85 PathProgramCache]: Analyzing trace with hash 546786461, now seen corresponding path program 2 times [2024-11-28 04:25:34,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:34,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367262354] [2024-11-28 04:25:34,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:34,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:34,426 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:34,426 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2024-11-28 04:25:34,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:34,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367262354] [2024-11-28 04:25:34,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367262354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:34,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:34,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010633358] [2024-11-28 04:25:34,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:34,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:34,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:34,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:34,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:35,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-28 04:25:35,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 445 transitions, 1566 flow. Second operand has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 0 states have call successors, (0), 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 04:25:35,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:35,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-28 04:25:35,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:37,495 INFO L124 PetriNetUnfolderBase]: 531/3151 cut-off events. [2024-11-28 04:25:37,495 INFO L125 PetriNetUnfolderBase]: For 991/1074 co-relation queries the response was YES. [2024-11-28 04:25:37,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5582 conditions, 3151 events. 531/3151 cut-off events. For 991/1074 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16107 event pairs, 92 based on Foata normal form. 16/3010 useless extension candidates. Maximal degree in co-relation 5320. Up to 981 conditions per place. [2024-11-28 04:25:37,530 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 131 selfloop transitions, 130 changer transitions 0/582 dead transitions. [2024-11-28 04:25:37,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 582 transitions, 2738 flow [2024-11-28 04:25:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1805 transitions. [2024-11-28 04:25:37,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8822091886608016 [2024-11-28 04:25:37,536 INFO L175 Difference]: Start difference. First operand has 420 places, 445 transitions, 1566 flow. Second operand 6 states and 1805 transitions. [2024-11-28 04:25:37,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 582 transitions, 2738 flow [2024-11-28 04:25:37,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 582 transitions, 2714 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 04:25:37,560 INFO L231 Difference]: Finished difference. Result has 424 places, 574 transitions, 2770 flow [2024-11-28 04:25:37,561 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2770, PETRI_PLACES=424, PETRI_TRANSITIONS=574} [2024-11-28 04:25:37,563 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 86 predicate places. [2024-11-28 04:25:37,563 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 574 transitions, 2770 flow [2024-11-28 04:25:37,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 0 states have call successors, (0), 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 04:25:37,565 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:37,565 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:37,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:25:37,566 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:37,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash 969340489, now seen corresponding path program 1 times [2024-11-28 04:25:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:37,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334194673] [2024-11-28 04:25:37,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 0 proven. 2632 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-28 04:25:40,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:40,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334194673] [2024-11-28 04:25:40,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334194673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:25:40,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760781946] [2024-11-28 04:25:40,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:40,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:25:40,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:25:40,591 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:25:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:25:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:41,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:25:41,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 0 proven. 2632 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-28 04:25:43,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:25:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 0 proven. 2632 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-28 04:25:44,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760781946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:25:44,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:25:44,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-28 04:25:44,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748024417] [2024-11-28 04:25:44,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:25:44,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:25:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:44,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:25:44,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:25:44,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-28 04:25:44,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 574 transitions, 2770 flow. Second operand has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 0 states have call successors, (0), 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 04:25:44,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:44,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-28 04:25:44,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:46,734 INFO L124 PetriNetUnfolderBase]: 412/3162 cut-off events. [2024-11-28 04:25:46,734 INFO L125 PetriNetUnfolderBase]: For 1289/1327 co-relation queries the response was YES. [2024-11-28 04:25:46,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5487 conditions, 3162 events. 412/3162 cut-off events. For 1289/1327 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13238 event pairs, 37 based on Foata normal form. 7/3061 useless extension candidates. Maximal degree in co-relation 5220. Up to 467 conditions per place. [2024-11-28 04:25:46,748 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 22 selfloop transitions, 30 changer transitions 0/591 dead transitions. [2024-11-28 04:25:46,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 591 transitions, 2996 flow [2024-11-28 04:25:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:25:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-28 04:25:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-28 04:25:46,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-28 04:25:46,758 INFO L175 Difference]: Start difference. First operand has 424 places, 574 transitions, 2770 flow. Second operand 30 states and 9744 transitions. [2024-11-28 04:25:46,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 591 transitions, 2996 flow [2024-11-28 04:25:46,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 591 transitions, 2996 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:25:46,783 INFO L231 Difference]: Finished difference. Result has 457 places, 584 transitions, 2922 flow [2024-11-28 04:25:46,784 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2770, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2922, PETRI_PLACES=457, PETRI_TRANSITIONS=584} [2024-11-28 04:25:46,785 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 119 predicate places. [2024-11-28 04:25:46,785 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 584 transitions, 2922 flow [2024-11-28 04:25:46,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 0 states have call successors, (0), 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 04:25:46,788 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:46,788 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:46,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:25:46,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:25:46,989 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:46,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2144290770, now seen corresponding path program 2 times [2024-11-28 04:25:46,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430659865] [2024-11-28 04:25:46,994 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:25:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:47,238 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:25:47,239 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:25:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5970 trivial. 0 not checked. [2024-11-28 04:25:47,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:47,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430659865] [2024-11-28 04:25:47,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430659865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:47,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:47,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:47,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388738411] [2024-11-28 04:25:47,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:47,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:47,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:47,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:47,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:48,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-28 04:25:48,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 584 transitions, 2922 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 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 04:25:48,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:48,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-28 04:25:48,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:51,014 INFO L124 PetriNetUnfolderBase]: 807/4237 cut-off events. [2024-11-28 04:25:51,014 INFO L125 PetriNetUnfolderBase]: For 3426/3601 co-relation queries the response was YES. [2024-11-28 04:25:51,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8934 conditions, 4237 events. 807/4237 cut-off events. For 3426/3601 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22183 event pairs, 65 based on Foata normal form. 52/4124 useless extension candidates. Maximal degree in co-relation 8663. Up to 1323 conditions per place. [2024-11-28 04:25:51,032 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 251 selfloop transitions, 131 changer transitions 5/722 dead transitions. [2024-11-28 04:25:51,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 722 transitions, 4596 flow [2024-11-28 04:25:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-28 04:25:51,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-28 04:25:51,035 INFO L175 Difference]: Start difference. First operand has 457 places, 584 transitions, 2922 flow. Second operand 6 states and 1806 transitions. [2024-11-28 04:25:51,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 722 transitions, 4596 flow [2024-11-28 04:25:51,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 722 transitions, 4550 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-28 04:25:51,062 INFO L231 Difference]: Finished difference. Result has 449 places, 712 transitions, 4356 flow [2024-11-28 04:25:51,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4356, PETRI_PLACES=449, PETRI_TRANSITIONS=712} [2024-11-28 04:25:51,063 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 111 predicate places. [2024-11-28 04:25:51,063 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 712 transitions, 4356 flow [2024-11-28 04:25:51,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 0 states have call successors, (0), 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 04:25:51,064 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:51,065 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:51,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:25:51,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:51,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:51,070 INFO L85 PathProgramCache]: Analyzing trace with hash 860965923, now seen corresponding path program 1 times [2024-11-28 04:25:51,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:51,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946974402] [2024-11-28 04:25:51,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5970 trivial. 0 not checked. [2024-11-28 04:25:55,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:55,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946974402] [2024-11-28 04:25:55,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946974402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:55,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:55,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:55,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776774470] [2024-11-28 04:25:55,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:55,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:25:55,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:55,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:25:55,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:56,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 341 [2024-11-28 04:25:56,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 712 transitions, 4356 flow. Second operand has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 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 04:25:56,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:25:56,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 341 [2024-11-28 04:25:56,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:25:59,047 INFO L124 PetriNetUnfolderBase]: 1309/5605 cut-off events. [2024-11-28 04:25:59,047 INFO L125 PetriNetUnfolderBase]: For 4997/5054 co-relation queries the response was YES. [2024-11-28 04:25:59,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13621 conditions, 5605 events. 1309/5605 cut-off events. For 4997/5054 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33914 event pairs, 369 based on Foata normal form. 11/5371 useless extension candidates. Maximal degree in co-relation 13346. Up to 2549 conditions per place. [2024-11-28 04:25:59,081 INFO L140 encePairwiseOnDemand]: 322/341 looper letters, 316 selfloop transitions, 84 changer transitions 0/791 dead transitions. [2024-11-28 04:25:59,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 791 transitions, 5554 flow [2024-11-28 04:25:59,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:25:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:25:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-28 04:25:59,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.823069403714565 [2024-11-28 04:25:59,083 INFO L175 Difference]: Start difference. First operand has 449 places, 712 transitions, 4356 flow. Second operand 6 states and 1684 transitions. [2024-11-28 04:25:59,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 791 transitions, 5554 flow [2024-11-28 04:25:59,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 791 transitions, 5300 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-28 04:25:59,125 INFO L231 Difference]: Finished difference. Result has 458 places, 783 transitions, 4892 flow [2024-11-28 04:25:59,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4108, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4892, PETRI_PLACES=458, PETRI_TRANSITIONS=783} [2024-11-28 04:25:59,127 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 120 predicate places. [2024-11-28 04:25:59,127 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 783 transitions, 4892 flow [2024-11-28 04:25:59,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 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 04:25:59,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:25:59,128 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:59,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:25:59,128 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:25:59,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1485790715, now seen corresponding path program 1 times [2024-11-28 04:25:59,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:59,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372450250] [2024-11-28 04:25:59,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 2106 proven. 3427 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 04:26:48,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:48,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372450250] [2024-11-28 04:26:48,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372450250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:26:48,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953636791] [2024-11-28 04:26:48,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:48,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:26:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:26:48,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:26:48,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:26:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:50,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-28 04:26:50,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:26:51,551 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-28 04:26:51,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-28 04:26:51,872 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-28 04:26:51,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-28 04:26:52,428 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-28 04:26:52,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-28 04:26:53,122 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 04:26:53,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 04:26:54,268 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-28 04:26:54,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-28 04:26:55,287 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-11-28 04:26:55,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-11-28 04:26:58,094 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-28 04:26:58,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-28 04:26:59,777 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-28 04:26:59,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-28 04:27:02,197 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-28 04:27:02,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-28 04:27:03,620 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-11-28 04:27:03,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-11-28 04:27:07,487 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-28 04:27:07,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64 [2024-11-28 04:27:09,526 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-28 04:27:09,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64 [2024-11-28 04:27:13,179 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2024-11-28 04:27:13,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2024-11-28 04:27:16,220 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:16,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:22,037 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:22,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:25,078 INFO L349 Elim1Store]: treesize reduction 84, result has 27.0 percent of original size [2024-11-28 04:27:25,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 54 [2024-11-28 04:27:30,514 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:30,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:33,656 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:33,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:39,294 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:39,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:42,296 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:27:42,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:27:48,970 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-28 04:27:48,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 46 [2024-11-28 04:27:49,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 04:27:49,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-28 04:27:49,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:27:49,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-28 04:27:49,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:27:49,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-11-28 04:27:49,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2024-11-28 04:27:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 4688 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2024-11-28 04:27:49,471 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:27:49,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953636791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:49,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:27:49,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [38] total 50 [2024-11-28 04:27:49,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574847163] [2024-11-28 04:27:49,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:49,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:27:49,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:49,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:27:49,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=2195, Unknown=0, NotChecked=0, Total=2550 [2024-11-28 04:27:54,383 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 341 [2024-11-28 04:27:54,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 783 transitions, 4892 flow. Second operand has 16 states, 16 states have (on average 280.5) internal successors, (4488), 16 states have internal predecessors, (4488), 0 states have call successors, (0), 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 04:27:54,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:54,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 341 [2024-11-28 04:27:54,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:58,723 INFO L124 PetriNetUnfolderBase]: 1046/4913 cut-off events. [2024-11-28 04:27:58,723 INFO L125 PetriNetUnfolderBase]: For 6258/6476 co-relation queries the response was YES. [2024-11-28 04:27:58,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12967 conditions, 4913 events. 1046/4913 cut-off events. For 6258/6476 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 27559 event pairs, 80 based on Foata normal form. 74/4842 useless extension candidates. Maximal degree in co-relation 12683. Up to 891 conditions per place. [2024-11-28 04:27:58,755 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 456 selfloop transitions, 146 changer transitions 1/969 dead transitions. [2024-11-28 04:27:58,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 969 transitions, 7154 flow [2024-11-28 04:27:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:27:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 04:27:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6138 transitions. [2024-11-28 04:27:58,926 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2024-11-28 04:27:58,927 INFO L175 Difference]: Start difference. First operand has 458 places, 783 transitions, 4892 flow. Second operand 22 states and 6138 transitions. [2024-11-28 04:27:58,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 969 transitions, 7154 flow [2024-11-28 04:27:58,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 969 transitions, 7082 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-28 04:27:58,981 INFO L231 Difference]: Finished difference. Result has 490 places, 845 transitions, 5854 flow [2024-11-28 04:27:58,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4838, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5854, PETRI_PLACES=490, PETRI_TRANSITIONS=845} [2024-11-28 04:27:58,982 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 152 predicate places. [2024-11-28 04:27:58,983 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 845 transitions, 5854 flow [2024-11-28 04:27:58,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 280.5) internal successors, (4488), 16 states have internal predecessors, (4488), 0 states have call successors, (0), 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 04:27:58,984 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:58,985 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:59,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:27:59,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:27:59,186 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:27:59,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1393420255, now seen corresponding path program 2 times [2024-11-28 04:27:59,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:59,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3149321] [2024-11-28 04:27:59,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:27:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:02,733 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:28:02,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:28:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 449 proven. 3162 refuted. 0 times theorem prover too weak. 2359 trivial. 0 not checked. [2024-11-28 04:28:37,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:37,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3149321] [2024-11-28 04:28:37,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3149321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:28:37,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703524118] [2024-11-28 04:28:37,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:28:37,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:37,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:37,500 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:37,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:28:39,758 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:28:39,758 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:28:39,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-28 04:28:39,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:40,206 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-28 04:28:40,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-28 04:28:40,641 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 04:28:40,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 04:28:42,004 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-28 04:28:42,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-28 04:28:42,759 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-11-28 04:28:42,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-11-28 04:28:44,431 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-11-28 04:28:44,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-11-28 04:28:45,808 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-28 04:28:45,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-28 04:28:48,200 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-11-28 04:28:48,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-11-28 04:28:50,113 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2024-11-28 04:28:50,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2024-11-28 04:28:55,790 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2024-11-28 04:28:55,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 81 [2024-11-28 04:29:00,944 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:00,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:11,797 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:11,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:17,437 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:17,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:27,782 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:27,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:34,711 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:34,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:44,245 INFO L349 Elim1Store]: treesize reduction 98, result has 26.9 percent of original size [2024-11-28 04:29:44,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 62 [2024-11-28 04:29:49,566 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:49,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:29:58,800 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:29:58,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:30:05,009 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:30:05,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:30:15,368 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:30:15,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:30:21,266 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:30:21,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:30:35,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 04:30:35,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-28 04:30:35,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:30:35,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-28 04:30:36,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:30:36,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-11-28 04:30:37,106 INFO L349 Elim1Store]: treesize reduction 28, result has 50.9 percent of original size [2024-11-28 04:30:37,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 41 treesize of output 53 [2024-11-28 04:30:37,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2024-11-28 04:30:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 3370 proven. 419 refuted. 0 times theorem prover too weak. 2181 trivial. 0 not checked. [2024-11-28 04:30:37,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:37,574 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4))) (and (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_~p~0#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 2 .cse0)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_~p~0#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0 1)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_~p~0#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 3 .cse0)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_~p~0#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0)) 0)))) is different from false [2024-11-28 04:30:37,639 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4))) (and (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 2 .cse0)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0 1)) 0)) (forall ((v_ArrVal_12318 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_12318) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 3 .cse0)) 0)))) is different from false [2024-11-28 04:30:38,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:30:38,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 66 [2024-11-28 04:30:38,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:30:38,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 38 [2024-11-28 04:30:38,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-28 04:30:38,747 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 04:30:38,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2024-11-28 04:30:38,757 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 04:30:38,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2024-11-28 04:30:38,766 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 04:30:38,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2024-11-28 04:31:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 3789 proven. 0 refuted. 0 times theorem prover too weak. 2181 trivial. 0 not checked. [2024-11-28 04:31:26,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703524118] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:31:26,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:26,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [28, 24] total 64 [2024-11-28 04:31:26,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015402407] [2024-11-28 04:31:26,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:26,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:31:26,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:26,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:31:26,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=3331, Unknown=27, NotChecked=246, Total=4160 [2024-11-28 04:31:30,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:34,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:38,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:42,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:46,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:50,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:54,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:31:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:02,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:06,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:11,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:15,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:19,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:23,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:27,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:31,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:35,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:39,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:43,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:47,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:51,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:55,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:32:59,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:03,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:07,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:11,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:19,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:23,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:27,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:31,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:35,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:39,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:43,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:47,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:51,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:33:56,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:00,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:04,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:08,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:12,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:16,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:20,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:24,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:28,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:36,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:44,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:48,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:52,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:34:56,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:35:00,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:35:04,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:35:08,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 04:35:08,652 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 341 [2024-11-28 04:35:08,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 845 transitions, 5854 flow. Second operand has 17 states, 17 states have (on average 208.35294117647058) internal successors, (3542), 17 states have internal predecessors, (3542), 0 states have call successors, (0), 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 04:35:08,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:08,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 341 [2024-11-28 04:35:08,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:29,698 INFO L124 PetriNetUnfolderBase]: 2504/8040 cut-off events. [2024-11-28 04:35:29,699 INFO L125 PetriNetUnfolderBase]: For 14988/15057 co-relation queries the response was YES. [2024-11-28 04:35:29,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25190 conditions, 8040 events. 2504/8040 cut-off events. For 14988/15057 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 52828 event pairs, 455 based on Foata normal form. 57/7792 useless extension candidates. Maximal degree in co-relation 24881. Up to 3766 conditions per place. [2024-11-28 04:35:29,768 INFO L140 encePairwiseOnDemand]: 293/341 looper letters, 629 selfloop transitions, 337 changer transitions 10/1227 dead transitions. [2024-11-28 04:35:29,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 1227 transitions, 9433 flow [2024-11-28 04:35:29,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:35:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 04:35:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3807 transitions. [2024-11-28 04:35:29,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6567189925823702 [2024-11-28 04:35:29,774 INFO L175 Difference]: Start difference. First operand has 490 places, 845 transitions, 5854 flow. Second operand 17 states and 3807 transitions. [2024-11-28 04:35:29,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 1227 transitions, 9433 flow [2024-11-28 04:35:29,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1227 transitions, 9386 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 04:35:29,913 INFO L231 Difference]: Finished difference. Result has 510 places, 941 transitions, 7996 flow [2024-11-28 04:35:29,914 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=5830, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7996, PETRI_PLACES=510, PETRI_TRANSITIONS=941} [2024-11-28 04:35:29,915 INFO L279 CegarLoopForPetriNet]: 338 programPoint places, 172 predicate places. [2024-11-28 04:35:29,915 INFO L471 AbstractCegarLoop]: Abstraction has has 510 places, 941 transitions, 7996 flow [2024-11-28 04:35:29,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 208.35294117647058) internal successors, (3542), 17 states have internal predecessors, (3542), 0 states have call successors, (0), 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 04:35:29,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:29,917 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:29,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:35:30,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:30,118 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 04:35:30,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:30,122 INFO L85 PathProgramCache]: Analyzing trace with hash 647365679, now seen corresponding path program 3 times [2024-11-28 04:35:30,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:30,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518107821] [2024-11-28 04:35:30,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:35:30,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:37,268 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-28 04:35:37,268 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:36:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5970 backedges. 160 proven. 1618 refuted. 0 times theorem prover too weak. 4192 trivial. 0 not checked. [2024-11-28 04:36:27,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518107821] [2024-11-28 04:36:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518107821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389362177] [2024-11-28 04:36:27,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:36:27,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:27,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:27,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:27,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c884878-625c-48cf-b710-5799d5c28be1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process