./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-7-racy.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_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/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_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-7-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/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_d62b944f-7800-420d-86b5-84d51793eb90/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 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:14:27,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:14:27,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:14:27,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:14:27,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:14:27,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:14:27,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:14:27,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:14:27,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:14:27,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:14:27,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:14:27,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:14:27,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:14:27,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:14:27,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:14:27,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:14:27,568 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:14:27,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:14:27,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:14:27,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:14:27,569 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:14:27,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:14:27,569 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:14:27,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:14:27,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:14:27,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:14:27,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:14:27,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:14:27,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:14:27,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:14:27,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:14:27,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:14:27,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:14:27,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:14:27,573 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_d62b944f-7800-420d-86b5-84d51793eb90/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 -> 1723883ecbdb95d71ea3ec2c746fab3b92c3a077cf232c2150d4112b37a05f98 [2024-11-28 03:14:27,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:14:27,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:14:27,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:14:27,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:14:27,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:14:27,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread/fib_safe-7-racy.i [2024-11-28 03:14:31,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/data/64a38ca25/7cfad5f2586241449d6b5df40de13932/FLAG8197af50b [2024-11-28 03:14:31,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:14:31,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/sv-benchmarks/c/pthread/fib_safe-7-racy.i [2024-11-28 03:14:31,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/data/64a38ca25/7cfad5f2586241449d6b5df40de13932/FLAG8197af50b [2024-11-28 03:14:31,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/data/64a38ca25/7cfad5f2586241449d6b5df40de13932 [2024-11-28 03:14:32,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:14:32,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:14:32,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:14:32,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:14:32,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:14:32,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d557c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32, skipping insertion in model container [2024-11-28 03:14:32,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:14:32,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:14:32,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:14:32,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:14:32,571 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:14:32,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32 WrapperNode [2024-11-28 03:14:32,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:14:32,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:14:32,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:14:32,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:14:32,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,638 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-28 03:14:32,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:14:32,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:14:32,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:14:32,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:14:32,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:14:32,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:14:32,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:14:32,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:14:32,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (1/1) ... [2024-11-28 03:14:32,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:14:32,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:32,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:14:32,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:14:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-28 03:14:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-28 03:14:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-28 03:14:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-28 03:14:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:14:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:14:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:14:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:14:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:14:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:14:32,798 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 03:14:32,970 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:14:32,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:14:33,384 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:14:33,385 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:14:33,459 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:14:33,459 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:14:33,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:33 BoogieIcfgContainer [2024-11-28 03:14:33,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:14:33,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:14:33,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:14:33,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:14:33,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:32" (1/3) ... [2024-11-28 03:14:33,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb546d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:33, skipping insertion in model container [2024-11-28 03:14:33,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:32" (2/3) ... [2024-11-28 03:14:33,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb546d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:33, skipping insertion in model container [2024-11-28 03:14:33,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:33" (3/3) ... [2024-11-28 03:14:33,473 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_safe-7-racy.i [2024-11-28 03:14:33,493 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:14:33,496 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_safe-7-racy.i that has 3 procedures, 180 locations, 1 initial locations, 3 loop locations, and 30 error locations. [2024-11-28 03:14:33,496 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:14:33,623 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:14:33,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 188 transitions, 384 flow [2024-11-28 03:14:33,820 INFO L124 PetriNetUnfolderBase]: 9/186 cut-off events. [2024-11-28 03:14:33,823 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:33,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 9/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 381 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2024-11-28 03:14:33,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 188 transitions, 384 flow [2024-11-28 03:14:33,849 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 184 places, 186 transitions, 378 flow [2024-11-28 03:14:33,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:14:33,899 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;@65aacb30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:14:33,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-28 03:14:33,915 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:14:33,915 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 03:14:33,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:33,915 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:33,916 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] [2024-11-28 03:14:33,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:33,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2024212661, now seen corresponding path program 1 times [2024-11-28 03:14:33,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:33,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878010288] [2024-11-28 03:14:33,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:34,206 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 03:14:34,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:34,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878010288] [2024-11-28 03:14:34,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878010288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:34,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:34,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:14:34,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133428957] [2024-11-28 03:14:34,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:34,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:14:34,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:34,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:14:34,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:14:34,265 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 188 [2024-11-28 03:14:34,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 186 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 168.5) internal successors, (337), 2 states have internal predecessors, (337), 0 states have call successors, (0), 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 03:14:34,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:34,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 188 [2024-11-28 03:14:34,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:34,453 INFO L124 PetriNetUnfolderBase]: 9/286 cut-off events. [2024-11-28 03:14:34,453 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:14:34,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 286 events. 9/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 937 event pairs, 2 based on Foata normal form. 13/249 useless extension candidates. Maximal degree in co-relation 270. Up to 11 conditions per place. [2024-11-28 03:14:34,462 INFO L140 encePairwiseOnDemand]: 175/188 looper letters, 6 selfloop transitions, 0 changer transitions 0/171 dead transitions. [2024-11-28 03:14:34,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 360 flow [2024-11-28 03:14:34,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:14:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:14:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 355 transitions. [2024-11-28 03:14:34,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9441489361702128 [2024-11-28 03:14:34,489 INFO L175 Difference]: Start difference. First operand has 184 places, 186 transitions, 378 flow. Second operand 2 states and 355 transitions. [2024-11-28 03:14:34,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 360 flow [2024-11-28 03:14:34,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:34,507 INFO L231 Difference]: Finished difference. Result has 173 places, 171 transitions, 346 flow [2024-11-28 03:14:34,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=346, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2024-11-28 03:14:34,517 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -11 predicate places. [2024-11-28 03:14:34,518 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 346 flow [2024-11-28 03:14:34,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 168.5) internal successors, (337), 2 states have internal predecessors, (337), 0 states have call successors, (0), 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 03:14:34,521 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:34,521 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] [2024-11-28 03:14:34,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:14:34,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:34,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:34,523 INFO L85 PathProgramCache]: Analyzing trace with hash -425898343, now seen corresponding path program 1 times [2024-11-28 03:14:34,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:34,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736223597] [2024-11-28 03:14:34,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:34,697 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 03:14:34,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:34,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736223597] [2024-11-28 03:14:34,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736223597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:34,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:34,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:34,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244058351] [2024-11-28 03:14:34,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:34,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:34,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:34,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:34,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:34,749 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:34,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:34,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:34,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:34,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:34,893 INFO L124 PetriNetUnfolderBase]: 30/366 cut-off events. [2024-11-28 03:14:34,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:34,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 366 events. 30/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1641 event pairs, 8 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 436. Up to 41 conditions per place. [2024-11-28 03:14:34,906 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2024-11-28 03:14:34,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 172 transitions, 380 flow [2024-11-28 03:14:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 03:14:34,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-11-28 03:14:34,911 INFO L175 Difference]: Start difference. First operand has 173 places, 171 transitions, 346 flow. Second operand 3 states and 496 transitions. [2024-11-28 03:14:34,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 172 transitions, 380 flow [2024-11-28 03:14:34,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 172 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:14:34,921 INFO L231 Difference]: Finished difference. Result has 174 places, 170 transitions, 348 flow [2024-11-28 03:14:34,922 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=174, PETRI_TRANSITIONS=170} [2024-11-28 03:14:34,924 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -10 predicate places. [2024-11-28 03:14:34,924 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 170 transitions, 348 flow [2024-11-28 03:14:34,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:34,925 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:34,925 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] [2024-11-28 03:14:34,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:14:34,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:34,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash -603634453, now seen corresponding path program 1 times [2024-11-28 03:14:34,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:34,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912453152] [2024-11-28 03:14:34,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:34,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:35,064 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 03:14:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:35,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912453152] [2024-11-28 03:14:35,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912453152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:35,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:35,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:35,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725412257] [2024-11-28 03:14:35,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:35,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:35,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:35,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:35,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:35,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:35,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:35,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:35,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:35,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:35,211 INFO L124 PetriNetUnfolderBase]: 20/222 cut-off events. [2024-11-28 03:14:35,212 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:14:35,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 222 events. 20/222 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 806 event pairs, 4 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 286. Up to 25 conditions per place. [2024-11-28 03:14:35,215 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2024-11-28 03:14:35,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 170 transitions, 378 flow [2024-11-28 03:14:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 03:14:35,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-11-28 03:14:35,219 INFO L175 Difference]: Start difference. First operand has 174 places, 170 transitions, 348 flow. Second operand 3 states and 496 transitions. [2024-11-28 03:14:35,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 170 transitions, 378 flow [2024-11-28 03:14:35,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:35,224 INFO L231 Difference]: Finished difference. Result has 172 places, 168 transitions, 344 flow [2024-11-28 03:14:35,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=172, PETRI_TRANSITIONS=168} [2024-11-28 03:14:35,226 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -12 predicate places. [2024-11-28 03:14:35,226 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 168 transitions, 344 flow [2024-11-28 03:14:35,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:35,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:35,227 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] [2024-11-28 03:14:35,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:14:35,227 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:35,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1304674435, now seen corresponding path program 1 times [2024-11-28 03:14:35,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:35,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066543429] [2024-11-28 03:14:35,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:35,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:35,316 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 03:14:35,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:35,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066543429] [2024-11-28 03:14:35,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066543429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:35,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:35,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:35,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694386807] [2024-11-28 03:14:35,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:35,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:35,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:35,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:35,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:35,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:35,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:35,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:35,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:35,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:35,460 INFO L124 PetriNetUnfolderBase]: 16/288 cut-off events. [2024-11-28 03:14:35,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:35,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 288 events. 16/288 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1074 event pairs, 7 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 327. Up to 26 conditions per place. [2024-11-28 03:14:35,465 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2024-11-28 03:14:35,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 372 flow [2024-11-28 03:14:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-11-28 03:14:35,470 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-11-28 03:14:35,470 INFO L175 Difference]: Start difference. First operand has 172 places, 168 transitions, 344 flow. Second operand 3 states and 495 transitions. [2024-11-28 03:14:35,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 372 flow [2024-11-28 03:14:35,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:35,475 INFO L231 Difference]: Finished difference. Result has 171 places, 167 transitions, 342 flow [2024-11-28 03:14:35,476 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=171, PETRI_TRANSITIONS=167} [2024-11-28 03:14:35,478 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -13 predicate places. [2024-11-28 03:14:35,479 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 167 transitions, 342 flow [2024-11-28 03:14:35,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:35,480 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:35,480 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] [2024-11-28 03:14:35,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:14:35,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:35,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1251722238, now seen corresponding path program 1 times [2024-11-28 03:14:35,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:35,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802486442] [2024-11-28 03:14:35,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:35,562 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 03:14:35,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:35,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802486442] [2024-11-28 03:14:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802486442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:35,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:35,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:35,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539153416] [2024-11-28 03:14:35,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:35,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:35,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:35,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:35,605 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2024-11-28 03:14:35,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 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 03:14:35,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:35,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2024-11-28 03:14:35,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:35,731 INFO L124 PetriNetUnfolderBase]: 49/479 cut-off events. [2024-11-28 03:14:35,731 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:35,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 479 events. 49/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2573 event pairs, 30 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 571. Up to 67 conditions per place. [2024-11-28 03:14:35,737 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2024-11-28 03:14:35,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 378 flow [2024-11-28 03:14:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2024-11-28 03:14:35,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8723404255319149 [2024-11-28 03:14:35,740 INFO L175 Difference]: Start difference. First operand has 171 places, 167 transitions, 342 flow. Second operand 3 states and 492 transitions. [2024-11-28 03:14:35,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 378 flow [2024-11-28 03:14:35,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 168 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:35,745 INFO L231 Difference]: Finished difference. Result has 170 places, 166 transitions, 340 flow [2024-11-28 03:14:35,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=170, PETRI_TRANSITIONS=166} [2024-11-28 03:14:35,749 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -14 predicate places. [2024-11-28 03:14:35,749 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 166 transitions, 340 flow [2024-11-28 03:14:35,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 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 03:14:35,750 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:35,750 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] [2024-11-28 03:14:35,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:14:35,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:35,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1898474981, now seen corresponding path program 1 times [2024-11-28 03:14:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:35,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863400238] [2024-11-28 03:14:35,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:35,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:35,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863400238] [2024-11-28 03:14:35,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863400238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:35,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:35,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358569430] [2024-11-28 03:14:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:35,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:35,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:35,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:35,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:35,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:35,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:35,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:35,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:35,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:36,002 INFO L124 PetriNetUnfolderBase]: 15/281 cut-off events. [2024-11-28 03:14:36,002 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:36,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 281 events. 15/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1036 event pairs, 3 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 319. Up to 15 conditions per place. [2024-11-28 03:14:36,009 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-28 03:14:36,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 364 flow [2024-11-28 03:14:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-11-28 03:14:36,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-11-28 03:14:36,012 INFO L175 Difference]: Start difference. First operand has 170 places, 166 transitions, 340 flow. Second operand 3 states and 495 transitions. [2024-11-28 03:14:36,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 364 flow [2024-11-28 03:14:36,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:36,019 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 336 flow [2024-11-28 03:14:36,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2024-11-28 03:14:36,022 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -16 predicate places. [2024-11-28 03:14:36,024 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 336 flow [2024-11-28 03:14:36,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:36,024 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:36,025 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:36,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:14:36,025 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:36,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,027 INFO L85 PathProgramCache]: Analyzing trace with hash 587244642, now seen corresponding path program 1 times [2024-11-28 03:14:36,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629799706] [2024-11-28 03:14:36,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:36,155 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 03:14:36,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:36,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629799706] [2024-11-28 03:14:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629799706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:36,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:36,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:36,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050969760] [2024-11-28 03:14:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:36,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:36,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:36,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:36,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:36,196 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:36,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 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 03:14:36,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:36,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:36,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:36,270 INFO L124 PetriNetUnfolderBase]: 20/215 cut-off events. [2024-11-28 03:14:36,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:36,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 215 events. 20/215 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 762 event pairs, 10 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 278. Up to 34 conditions per place. [2024-11-28 03:14:36,275 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-28 03:14:36,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 370 flow [2024-11-28 03:14:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 03:14:36,277 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-11-28 03:14:36,278 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 336 flow. Second operand 3 states and 496 transitions. [2024-11-28 03:14:36,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 370 flow [2024-11-28 03:14:36,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:36,281 INFO L231 Difference]: Finished difference. Result has 167 places, 163 transitions, 334 flow [2024-11-28 03:14:36,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=167, PETRI_TRANSITIONS=163} [2024-11-28 03:14:36,283 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -17 predicate places. [2024-11-28 03:14:36,285 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 163 transitions, 334 flow [2024-11-28 03:14:36,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 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 03:14:36,285 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:36,286 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:36,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:14:36,286 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:36,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1150798780, now seen corresponding path program 1 times [2024-11-28 03:14:36,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255999728] [2024-11-28 03:14:36,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:36,365 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 03:14:36,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:36,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255999728] [2024-11-28 03:14:36,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255999728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:36,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:36,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:36,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642606523] [2024-11-28 03:14:36,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:36,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:36,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:36,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:36,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:36,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:36,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:36,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:36,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:36,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:36,506 INFO L124 PetriNetUnfolderBase]: 37/448 cut-off events. [2024-11-28 03:14:36,507 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:36,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 448 events. 37/448 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2182 event pairs, 10 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 514. Up to 32 conditions per place. [2024-11-28 03:14:36,512 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-11-28 03:14:36,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 362 flow [2024-11-28 03:14:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 03:14:36,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-11-28 03:14:36,515 INFO L175 Difference]: Start difference. First operand has 167 places, 163 transitions, 334 flow. Second operand 3 states and 496 transitions. [2024-11-28 03:14:36,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 362 flow [2024-11-28 03:14:36,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:36,519 INFO L231 Difference]: Finished difference. Result has 165 places, 161 transitions, 330 flow [2024-11-28 03:14:36,520 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=165, PETRI_TRANSITIONS=161} [2024-11-28 03:14:36,521 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -19 predicate places. [2024-11-28 03:14:36,522 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 161 transitions, 330 flow [2024-11-28 03:14:36,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:36,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:36,523 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] [2024-11-28 03:14:36,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:14:36,526 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:36,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1017137721, now seen corresponding path program 1 times [2024-11-28 03:14:36,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679467577] [2024-11-28 03:14:36,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:36,593 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 03:14:36,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679467577] [2024-11-28 03:14:36,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679467577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:36,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:36,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:36,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987904903] [2024-11-28 03:14:36,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:36,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:36,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:36,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:36,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:36,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 188 [2024-11-28 03:14:36,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 03:14:36,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:36,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 188 [2024-11-28 03:14:36,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:36,715 INFO L124 PetriNetUnfolderBase]: 33/412 cut-off events. [2024-11-28 03:14:36,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:36,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 412 events. 33/412 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1853 event pairs, 6 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 474. Up to 32 conditions per place. [2024-11-28 03:14:36,719 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 10 selfloop transitions, 3 changer transitions 0/161 dead transitions. [2024-11-28 03:14:36,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 356 flow [2024-11-28 03:14:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-11-28 03:14:36,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2024-11-28 03:14:36,739 INFO L175 Difference]: Start difference. First operand has 165 places, 161 transitions, 330 flow. Second operand 3 states and 498 transitions. [2024-11-28 03:14:36,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 356 flow [2024-11-28 03:14:36,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:36,743 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 328 flow [2024-11-28 03:14:36,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2024-11-28 03:14:36,745 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -21 predicate places. [2024-11-28 03:14:36,746 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 328 flow [2024-11-28 03:14:36,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 03:14:36,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:36,746 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] [2024-11-28 03:14:36,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:14:36,747 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:36,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1783207135, now seen corresponding path program 1 times [2024-11-28 03:14:36,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638929335] [2024-11-28 03:14:36,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:36,810 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 03:14:36,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:36,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638929335] [2024-11-28 03:14:36,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638929335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:36,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:36,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:36,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402412257] [2024-11-28 03:14:36,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:36,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:36,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:36,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:36,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:36,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 188 [2024-11-28 03:14:36,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 03:14:36,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:36,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 188 [2024-11-28 03:14:36,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:36,923 INFO L124 PetriNetUnfolderBase]: 31/360 cut-off events. [2024-11-28 03:14:36,924 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:36,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 360 events. 31/360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1486 event pairs, 6 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 426. Up to 32 conditions per place. [2024-11-28 03:14:36,929 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-28 03:14:36,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 354 flow [2024-11-28 03:14:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-11-28 03:14:36,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2024-11-28 03:14:36,931 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 328 flow. Second operand 3 states and 498 transitions. [2024-11-28 03:14:36,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 354 flow [2024-11-28 03:14:36,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:36,935 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 322 flow [2024-11-28 03:14:36,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-11-28 03:14:36,938 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -23 predicate places. [2024-11-28 03:14:36,938 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 322 flow [2024-11-28 03:14:36,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 03:14:36,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:36,939 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] [2024-11-28 03:14:36,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:14:36,940 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:36,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1561565754, now seen corresponding path program 1 times [2024-11-28 03:14:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330585068] [2024-11-28 03:14:36,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:36,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:37,003 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 03:14:37,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330585068] [2024-11-28 03:14:37,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330585068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:37,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:37,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:37,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995720748] [2024-11-28 03:14:37,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:37,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:37,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:37,042 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:37,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 03:14:37,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:37,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:37,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:37,106 INFO L124 PetriNetUnfolderBase]: 15/266 cut-off events. [2024-11-28 03:14:37,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:37,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 266 events. 15/266 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 923 event pairs, 6 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 306. Up to 25 conditions per place. [2024-11-28 03:14:37,110 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-28 03:14:37,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 350 flow [2024-11-28 03:14:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-11-28 03:14:37,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2024-11-28 03:14:37,114 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 322 flow. Second operand 3 states and 495 transitions. [2024-11-28 03:14:37,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 350 flow [2024-11-28 03:14:37,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:37,122 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 320 flow [2024-11-28 03:14:37,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-28 03:14:37,123 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-11-28 03:14:37,123 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 320 flow [2024-11-28 03:14:37,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 03:14:37,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:37,125 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] [2024-11-28 03:14:37,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:14:37,126 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:37,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:37,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1351428116, now seen corresponding path program 1 times [2024-11-28 03:14:37,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:37,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828620138] [2024-11-28 03:14:37,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:37,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:37,199 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 03:14:37,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828620138] [2024-11-28 03:14:37,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828620138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:37,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:37,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:37,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054301954] [2024-11-28 03:14:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:37,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:37,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:37,221 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2024-11-28 03:14:37,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 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 03:14:37,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:37,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2024-11-28 03:14:37,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:37,337 INFO L124 PetriNetUnfolderBase]: 41/436 cut-off events. [2024-11-28 03:14:37,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:37,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 436 events. 41/436 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2172 event pairs, 22 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 512. Up to 51 conditions per place. [2024-11-28 03:14:37,341 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-28 03:14:37,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 352 flow [2024-11-28 03:14:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 03:14:37,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2024-11-28 03:14:37,344 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 320 flow. Second operand 3 states and 496 transitions. [2024-11-28 03:14:37,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 352 flow [2024-11-28 03:14:37,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:37,347 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 318 flow [2024-11-28 03:14:37,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-11-28 03:14:37,348 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -25 predicate places. [2024-11-28 03:14:37,348 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 318 flow [2024-11-28 03:14:37,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 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 03:14:37,349 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:37,349 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] [2024-11-28 03:14:37,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:14:37,349 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:37,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:37,350 INFO L85 PathProgramCache]: Analyzing trace with hash 704535981, now seen corresponding path program 1 times [2024-11-28 03:14:37,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:37,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906065990] [2024-11-28 03:14:37,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:37,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:37,439 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 03:14:37,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906065990] [2024-11-28 03:14:37,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906065990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:37,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:37,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:14:37,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62944882] [2024-11-28 03:14:37,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:37,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:37,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 188 [2024-11-28 03:14:37,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 03:14:37,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:37,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 188 [2024-11-28 03:14:37,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:37,579 INFO L124 PetriNetUnfolderBase]: 25/550 cut-off events. [2024-11-28 03:14:37,579 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:37,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 550 events. 25/550 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2292 event pairs, 6 based on Foata normal form. 4/504 useless extension candidates. Maximal degree in co-relation 611. Up to 21 conditions per place. [2024-11-28 03:14:37,584 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-11-28 03:14:37,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 350 flow [2024-11-28 03:14:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2024-11-28 03:14:37,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8971631205673759 [2024-11-28 03:14:37,587 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 318 flow. Second operand 3 states and 506 transitions. [2024-11-28 03:14:37,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 350 flow [2024-11-28 03:14:37,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:37,593 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 326 flow [2024-11-28 03:14:37,597 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-28 03:14:37,598 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-11-28 03:14:37,598 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 326 flow [2024-11-28 03:14:37,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 03:14:37,598 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:37,598 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] [2024-11-28 03:14:37,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:14:37,599 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:37,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:37,599 INFO L85 PathProgramCache]: Analyzing trace with hash 445586713, now seen corresponding path program 1 times [2024-11-28 03:14:37,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:37,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195043715] [2024-11-28 03:14:37,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:37,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:37,671 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 03:14:37,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195043715] [2024-11-28 03:14:37,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195043715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:37,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:37,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397094473] [2024-11-28 03:14:37,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:37,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:37,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:37,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:37,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:37,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:37,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:37,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:37,828 INFO L124 PetriNetUnfolderBase]: 65/584 cut-off events. [2024-11-28 03:14:37,828 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:14:37,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 584 events. 65/584 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2928 event pairs, 38 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 721. Up to 83 conditions per place. [2024-11-28 03:14:37,834 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-28 03:14:37,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 360 flow [2024-11-28 03:14:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-11-28 03:14:37,836 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2024-11-28 03:14:37,836 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 326 flow. Second operand 3 states and 494 transitions. [2024-11-28 03:14:37,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 360 flow [2024-11-28 03:14:37,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:14:37,865 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 326 flow [2024-11-28 03:14:37,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-11-28 03:14:37,866 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-11-28 03:14:37,866 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 326 flow [2024-11-28 03:14:37,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 03:14:37,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:37,867 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] [2024-11-28 03:14:37,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:14:37,867 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:37,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:37,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1269702025, now seen corresponding path program 1 times [2024-11-28 03:14:37,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:37,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545657559] [2024-11-28 03:14:37,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:37,935 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 03:14:37,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545657559] [2024-11-28 03:14:37,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545657559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:37,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:37,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:37,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117959347] [2024-11-28 03:14:37,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:37,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:37,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:37,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 188 [2024-11-28 03:14:37,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 03:14:37,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:37,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 188 [2024-11-28 03:14:37,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:38,087 INFO L124 PetriNetUnfolderBase]: 49/554 cut-off events. [2024-11-28 03:14:38,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:38,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 554 events. 49/554 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2411 event pairs, 10 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 651. Up to 40 conditions per place. [2024-11-28 03:14:38,093 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 10 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-28 03:14:38,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 354 flow [2024-11-28 03:14:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-11-28 03:14:38,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8953900709219859 [2024-11-28 03:14:38,097 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 326 flow. Second operand 3 states and 505 transitions. [2024-11-28 03:14:38,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 354 flow [2024-11-28 03:14:38,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:38,102 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 330 flow [2024-11-28 03:14:38,103 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-11-28 03:14:38,104 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-11-28 03:14:38,104 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 330 flow [2024-11-28 03:14:38,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 03:14:38,105 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:38,105 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] [2024-11-28 03:14:38,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:14:38,105 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:38,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:38,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1682495009, now seen corresponding path program 1 times [2024-11-28 03:14:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:38,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298511163] [2024-11-28 03:14:38,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:38,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:38,195 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 03:14:38,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:38,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298511163] [2024-11-28 03:14:38,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298511163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:38,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:38,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:38,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051568081] [2024-11-28 03:14:38,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:38,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:38,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:38,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:38,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:38,230 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:38,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:38,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:38,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:38,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:38,362 INFO L124 PetriNetUnfolderBase]: 69/572 cut-off events. [2024-11-28 03:14:38,363 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:14:38,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 572 events. 69/572 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2862 event pairs, 42 based on Foata normal form. 0/546 useless extension candidates. Maximal degree in co-relation 733. Up to 91 conditions per place. [2024-11-28 03:14:38,369 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-28 03:14:38,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 364 flow [2024-11-28 03:14:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-11-28 03:14:38,371 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2024-11-28 03:14:38,371 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 330 flow. Second operand 3 states and 494 transitions. [2024-11-28 03:14:38,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 364 flow [2024-11-28 03:14:38,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 362 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:14:38,375 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 330 flow [2024-11-28 03:14:38,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2024-11-28 03:14:38,376 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -24 predicate places. [2024-11-28 03:14:38,377 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 330 flow [2024-11-28 03:14:38,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 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 03:14:38,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:38,378 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:38,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:14:38,378 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:38,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1402018101, now seen corresponding path program 1 times [2024-11-28 03:14:38,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:38,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234564607] [2024-11-28 03:14:38,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:38,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:38,425 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 03:14:38,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:38,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234564607] [2024-11-28 03:14:38,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234564607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:38,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:38,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:38,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723071011] [2024-11-28 03:14:38,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:38,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:38,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:38,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:38,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:38,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2024-11-28 03:14:38,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 03:14:38,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:38,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2024-11-28 03:14:38,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:38,575 INFO L124 PetriNetUnfolderBase]: 57/556 cut-off events. [2024-11-28 03:14:38,575 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:38,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 556 events. 57/556 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2539 event pairs, 38 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 705. Up to 83 conditions per place. [2024-11-28 03:14:38,581 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-11-28 03:14:38,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 155 transitions, 366 flow [2024-11-28 03:14:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2024-11-28 03:14:38,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8723404255319149 [2024-11-28 03:14:38,584 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 330 flow. Second operand 3 states and 492 transitions. [2024-11-28 03:14:38,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 155 transitions, 366 flow [2024-11-28 03:14:38,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 155 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:38,589 INFO L231 Difference]: Finished difference. Result has 159 places, 153 transitions, 328 flow [2024-11-28 03:14:38,589 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=159, PETRI_TRANSITIONS=153} [2024-11-28 03:14:38,590 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -25 predicate places. [2024-11-28 03:14:38,590 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 153 transitions, 328 flow [2024-11-28 03:14:38,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 03:14:38,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:38,591 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:38,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:14:38,591 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:38,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:38,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1919393895, now seen corresponding path program 1 times [2024-11-28 03:14:38,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:38,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76012999] [2024-11-28 03:14:38,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:38,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:38,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76012999] [2024-11-28 03:14:38,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76012999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:38,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045822561] [2024-11-28 03:14:38,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:38,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:38,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:38,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:38,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:14:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:38,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:14:38,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:14:38,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:14:38,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045822561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:38,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:38,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-28 03:14:38,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814791238] [2024-11-28 03:14:38,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:38,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:38,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:38,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:38,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:14:38,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 188 [2024-11-28 03:14:38,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 153 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 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 03:14:38,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:38,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 188 [2024-11-28 03:14:38,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:39,034 INFO L124 PetriNetUnfolderBase]: 36/485 cut-off events. [2024-11-28 03:14:39,034 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:14:39,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 485 events. 36/485 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1806 event pairs, 1 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 563. Up to 31 conditions per place. [2024-11-28 03:14:39,039 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 9 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2024-11-28 03:14:39,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 362 flow [2024-11-28 03:14:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-11-28 03:14:39,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9024822695035462 [2024-11-28 03:14:39,043 INFO L175 Difference]: Start difference. First operand has 159 places, 153 transitions, 328 flow. Second operand 3 states and 509 transitions. [2024-11-28 03:14:39,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 362 flow [2024-11-28 03:14:39,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:39,047 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 358 flow [2024-11-28 03:14:39,048 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-11-28 03:14:39,049 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -23 predicate places. [2024-11-28 03:14:39,050 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 358 flow [2024-11-28 03:14:39,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 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 03:14:39,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:39,051 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:39,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:39,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:14:39,251 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:39,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1163753284, now seen corresponding path program 1 times [2024-11-28 03:14:39,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:39,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090966565] [2024-11-28 03:14:39,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:39,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:39,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:39,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090966565] [2024-11-28 03:14:39,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090966565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:39,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582561900] [2024-11-28 03:14:39,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:39,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:39,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:39,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:14:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:39,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:14:39,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:14:39,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:14:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582561900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:39,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:39,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-28 03:14:39,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276627628] [2024-11-28 03:14:39,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:39,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:39,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:39,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:39,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:14:39,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 188 [2024-11-28 03:14:39,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 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 03:14:39,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:39,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 188 [2024-11-28 03:14:39,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:39,727 INFO L124 PetriNetUnfolderBase]: 78/601 cut-off events. [2024-11-28 03:14:39,727 INFO L125 PetriNetUnfolderBase]: For 138/151 co-relation queries the response was YES. [2024-11-28 03:14:39,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 601 events. 78/601 cut-off events. For 138/151 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2735 event pairs, 0 based on Foata normal form. 8/564 useless extension candidates. Maximal degree in co-relation 865. Up to 59 conditions per place. [2024-11-28 03:14:39,733 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 12 selfloop transitions, 6 changer transitions 0/164 dead transitions. [2024-11-28 03:14:39,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 164 transitions, 422 flow [2024-11-28 03:14:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:14:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2024-11-28 03:14:39,736 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042553191489362 [2024-11-28 03:14:39,736 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 358 flow. Second operand 3 states and 510 transitions. [2024-11-28 03:14:39,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 164 transitions, 422 flow [2024-11-28 03:14:39,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 164 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:39,741 INFO L231 Difference]: Finished difference. Result has 163 places, 163 transitions, 408 flow [2024-11-28 03:14:39,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=163, PETRI_TRANSITIONS=163} [2024-11-28 03:14:39,743 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -21 predicate places. [2024-11-28 03:14:39,743 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 163 transitions, 408 flow [2024-11-28 03:14:39,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 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 03:14:39,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:39,744 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:39,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:39,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:39,950 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:39,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:39,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1482547698, now seen corresponding path program 1 times [2024-11-28 03:14:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:39,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627785053] [2024-11-28 03:14:39,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:40,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627785053] [2024-11-28 03:14:40,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627785053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:40,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424905227] [2024-11-28 03:14:40,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:40,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:40,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:40,136 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:40,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:14:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:40,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:14:40,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:40,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:40,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424905227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:40,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:40,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 03:14:40,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591283281] [2024-11-28 03:14:40,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:40,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:14:40,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:40,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:14:40,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:14:40,564 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:40,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 408 flow. Second operand has 10 states, 10 states have (on average 161.4) internal successors, (1614), 10 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:14:40,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:40,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:40,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:40,981 INFO L124 PetriNetUnfolderBase]: 242/1310 cut-off events. [2024-11-28 03:14:40,981 INFO L125 PetriNetUnfolderBase]: For 1036/1068 co-relation queries the response was YES. [2024-11-28 03:14:40,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 1310 events. 242/1310 cut-off events. For 1036/1068 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6582 event pairs, 13 based on Foata normal form. 16/1267 useless extension candidates. Maximal degree in co-relation 2346. Up to 138 conditions per place. [2024-11-28 03:14:40,998 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 63 selfloop transitions, 9 changer transitions 0/213 dead transitions. [2024-11-28 03:14:40,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 213 transitions, 864 flow [2024-11-28 03:14:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:14:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 03:14:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1471 transitions. [2024-11-28 03:14:41,003 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8693853427895981 [2024-11-28 03:14:41,003 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 408 flow. Second operand 9 states and 1471 transitions. [2024-11-28 03:14:41,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 213 transitions, 864 flow [2024-11-28 03:14:41,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 213 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:14:41,010 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 446 flow [2024-11-28 03:14:41,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=446, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2024-11-28 03:14:41,011 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, -12 predicate places. [2024-11-28 03:14:41,011 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 446 flow [2024-11-28 03:14:41,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 161.4) internal successors, (1614), 10 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:14:41,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:41,012 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 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] [2024-11-28 03:14:41,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:41,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:41,216 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:41,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1623769592, now seen corresponding path program 2 times [2024-11-28 03:14:41,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:41,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066715139] [2024-11-28 03:14:41,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:14:41,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:41,254 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:14:41,254 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:41,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:41,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066715139] [2024-11-28 03:14:41,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066715139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:41,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046143366] [2024-11-28 03:14:41,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:14:41,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:41,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:41,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:14:41,776 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:14:41,776 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:41,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:14:41,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:42,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046143366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:42,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:42,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-28 03:14:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330588354] [2024-11-28 03:14:42,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:42,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:14:42,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:42,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:14:42,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:14:42,421 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:42,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 446 flow. Second operand has 18 states, 18 states have (on average 161.22222222222223) internal successors, (2902), 18 states have internal predecessors, (2902), 0 states have call successors, (0), 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 03:14:42,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:42,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:42,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:43,402 INFO L124 PetriNetUnfolderBase]: 402/2170 cut-off events. [2024-11-28 03:14:43,403 INFO L125 PetriNetUnfolderBase]: For 1539/1571 co-relation queries the response was YES. [2024-11-28 03:14:43,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3921 conditions, 2170 events. 402/2170 cut-off events. For 1539/1571 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 10565 event pairs, 13 based on Foata normal form. 26/2135 useless extension candidates. Maximal degree in co-relation 3911. Up to 218 conditions per place. [2024-11-28 03:14:43,431 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 139 selfloop transitions, 21 changer transitions 0/301 dead transitions. [2024-11-28 03:14:43,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 301 transitions, 1546 flow [2024-11-28 03:14:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:14:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:14:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3421 transitions. [2024-11-28 03:14:43,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8665146909827761 [2024-11-28 03:14:43,441 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 446 flow. Second operand 21 states and 3421 transitions. [2024-11-28 03:14:43,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 301 transitions, 1546 flow [2024-11-28 03:14:43,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 301 transitions, 1532 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-28 03:14:43,450 INFO L231 Difference]: Finished difference. Result has 196 places, 182 transitions, 570 flow [2024-11-28 03:14:43,451 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=570, PETRI_PLACES=196, PETRI_TRANSITIONS=182} [2024-11-28 03:14:43,451 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, 12 predicate places. [2024-11-28 03:14:43,452 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 182 transitions, 570 flow [2024-11-28 03:14:43,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 161.22222222222223) internal successors, (2902), 18 states have internal predecessors, (2902), 0 states have call successors, (0), 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 03:14:43,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:43,454 INFO L206 CegarLoopForPetriNet]: trace histogram [8, 8, 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] [2024-11-28 03:14:43,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:43,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 03:14:43,658 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:43,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:43,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1007166712, now seen corresponding path program 3 times [2024-11-28 03:14:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551282568] [2024-11-28 03:14:43,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:14:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:43,752 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 03:14:43,756 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:45,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:45,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551282568] [2024-11-28 03:14:45,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551282568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:45,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139744401] [2024-11-28 03:14:45,059 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:14:45,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:45,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:45,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:45,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:14:45,264 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 03:14:45,265 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:45,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:14:45,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:45,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:46,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139744401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:46,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:46,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-28 03:14:46,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742259402] [2024-11-28 03:14:46,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:46,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 03:14:46,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:46,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 03:14:46,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 03:14:46,740 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:46,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 182 transitions, 570 flow. Second operand has 34 states, 34 states have (on average 161.11764705882354) internal successors, (5478), 34 states have internal predecessors, (5478), 0 states have call successors, (0), 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 03:14:46,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:46,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:46,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:49,593 INFO L124 PetriNetUnfolderBase]: 722/3890 cut-off events. [2024-11-28 03:14:49,594 INFO L125 PetriNetUnfolderBase]: For 4577/4609 co-relation queries the response was YES. [2024-11-28 03:14:49,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7472 conditions, 3890 events. 722/3890 cut-off events. For 4577/4609 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 18621 event pairs, 13 based on Foata normal form. 46/3875 useless extension candidates. Maximal degree in co-relation 7457. Up to 378 conditions per place. [2024-11-28 03:14:49,646 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 291 selfloop transitions, 45 changer transitions 0/477 dead transitions. [2024-11-28 03:14:49,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 477 transitions, 3078 flow [2024-11-28 03:14:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 03:14:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-28 03:14:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 7321 transitions. [2024-11-28 03:14:49,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8653664302600473 [2024-11-28 03:14:49,666 INFO L175 Difference]: Start difference. First operand has 196 places, 182 transitions, 570 flow. Second operand 45 states and 7321 transitions. [2024-11-28 03:14:49,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 477 transitions, 3078 flow [2024-11-28 03:14:49,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 477 transitions, 3038 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-11-28 03:14:49,686 INFO L231 Difference]: Finished difference. Result has 243 places, 207 transitions, 848 flow [2024-11-28 03:14:49,686 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=848, PETRI_PLACES=243, PETRI_TRANSITIONS=207} [2024-11-28 03:14:49,687 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, 59 predicate places. [2024-11-28 03:14:49,687 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 207 transitions, 848 flow [2024-11-28 03:14:49,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 161.11764705882354) internal successors, (5478), 34 states have internal predecessors, (5478), 0 states have call successors, (0), 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 03:14:49,689 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:49,690 INFO L206 CegarLoopForPetriNet]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:49,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:14:49,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 03:14:49,891 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:49,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -358333810, now seen corresponding path program 4 times [2024-11-28 03:14:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:49,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890359394] [2024-11-28 03:14:49,896 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:14:49,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:50,023 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:14:50,024 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:53,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:53,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890359394] [2024-11-28 03:14:53,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890359394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:53,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907428250] [2024-11-28 03:14:53,026 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:14:53,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:53,029 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:14:53,328 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:14:53,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:14:53,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 03:14:53,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:54,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:14:56,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907428250] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:56,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:56,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 35 [2024-11-28 03:14:56,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744469251] [2024-11-28 03:14:56,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:56,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 03:14:56,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:56,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 03:14:56,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:14:56,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 188 [2024-11-28 03:14:56,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 207 transitions, 848 flow. Second operand has 35 states, 35 states have (on average 161.11428571428573) internal successors, (5639), 35 states have internal predecessors, (5639), 0 states have call successors, (0), 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 03:14:56,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:14:56,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 188 [2024-11-28 03:14:56,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:14:59,101 INFO L124 PetriNetUnfolderBase]: 762/4105 cut-off events. [2024-11-28 03:14:59,101 INFO L125 PetriNetUnfolderBase]: For 5376/5408 co-relation queries the response was YES. [2024-11-28 03:14:59,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8192 conditions, 4105 events. 762/4105 cut-off events. For 5376/5408 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 19651 event pairs, 13 based on Foata normal form. 11/4055 useless extension candidates. Maximal degree in co-relation 8168. Up to 398 conditions per place. [2024-11-28 03:14:59,153 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 310 selfloop transitions, 48 changer transitions 0/499 dead transitions. [2024-11-28 03:14:59,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 499 transitions, 3378 flow [2024-11-28 03:14:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-28 03:14:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2024-11-28 03:14:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 7801 transitions. [2024-11-28 03:14:59,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8644725177304965 [2024-11-28 03:14:59,167 INFO L175 Difference]: Start difference. First operand has 243 places, 207 transitions, 848 flow. Second operand 48 states and 7801 transitions. [2024-11-28 03:14:59,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 499 transitions, 3378 flow [2024-11-28 03:14:59,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 499 transitions, 3320 flow, removed 11 selfloop flow, removed 18 redundant places. [2024-11-28 03:14:59,194 INFO L231 Difference]: Finished difference. Result has 276 places, 211 transitions, 946 flow [2024-11-28 03:14:59,195 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=48, PETRI_FLOW=946, PETRI_PLACES=276, PETRI_TRANSITIONS=211} [2024-11-28 03:14:59,196 INFO L279 CegarLoopForPetriNet]: 184 programPoint places, 92 predicate places. [2024-11-28 03:14:59,196 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 211 transitions, 946 flow [2024-11-28 03:14:59,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 161.11428571428573) internal successors, (5639), 35 states have internal predecessors, (5639), 0 states have call successors, (0), 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 03:14:59,199 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:14:59,200 INFO L206 CegarLoopForPetriNet]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:59,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:59,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 03:14:59,404 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-28 03:14:59,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1605442044, now seen corresponding path program 5 times [2024-11-28 03:14:59,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:59,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893862346] [2024-11-28 03:14:59,407 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:14:59,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:59,519 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-11-28 03:14:59,519 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:14:59,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:14:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:15:00,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:15:00,159 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:15:00,160 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-28 03:15:00,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-28 03:15:00,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-28 03:15:00,163 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-11-28 03:15:00,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-28 03:15:00,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-28 03:15:00,166 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-28 03:15:00,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:15:00,167 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:00,598 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:15:00,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:15:00,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:00 BasicIcfg [2024-11-28 03:15:00,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:15:00,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:15:00,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:15:00,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:15:00,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:33" (3/4) ... [2024-11-28 03:15:00,611 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 03:15:00,930 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 21. [2024-11-28 03:15:01,038 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:15:01,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:15:01,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:15:01,043 INFO L158 Benchmark]: Toolchain (without parser) took 29038.57ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 116.2MB in the beginning and 77.7MB in the end (delta: 38.6MB). Peak memory consumption was 328.9MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,043 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:15:01,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.29ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 96.5MB in the end (delta: 19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.57ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,046 INFO L158 Benchmark]: Boogie Preprocessor took 58.69ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:15:01,047 INFO L158 Benchmark]: RCFGBuilder took 759.61ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.1MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,047 INFO L158 Benchmark]: TraceAbstraction took 27145.18ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.6MB in the beginning and 190.9MB in the end (delta: -119.3MB). Peak memory consumption was 334.4MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,048 INFO L158 Benchmark]: Witness Printer took 433.16ms. Allocated memory is still 436.2MB. Free memory was 190.9MB in the beginning and 77.7MB in the end (delta: 113.2MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-28 03:15:01,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.29ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 96.5MB in the end (delta: 19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.57ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.69ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 759.61ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.1MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27145.18ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.6MB in the beginning and 190.9MB in the end (delta: -119.3MB). Peak memory consumption was 334.4MB. Max. memory is 16.1GB. * Witness Printer took 433.16ms. Allocated memory is still 436.2MB. Free memory was 190.9MB in the beginning and 77.7MB in the end (delta: 113.2MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 725]: Data race detected Data race detected The following path leads to a data race: [L683] 0 int i, j; VAL [i=0, j=0] [L686] 0 int p, q; VAL [i=0, j=0, p=0, q=0] [L703] 0 int cur = 1, prev = 0, next = 0; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0] [L704] 0 int x; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L714] 0 pthread_t id1, id2; VAL [\old(argc)=1643, \old(argv)={1641:1604}, argc=1643, cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L716] 0 i = 1 VAL [\old(argc)=1643, \old(argv)={1641:1604}, argc=1643, cur=1, i=1, j=0, next=0, p=0, prev=0, q=0, x=0] [L719] 0 j = 1 VAL [\old(argc)=1643, \old(argv)={1641:1604}, argc=1643, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L721] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=1643, \old(argv)={1641:1604}, argc=1643, cur=1, i=1, id1=-1, j=1, next=0, p=0, prev=0, q=0, x=0] [L688] 1 p = 0 VAL [\old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L688] 1 p < 7 VAL [\old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L688] COND TRUE 1 p < 7 VAL [\old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L722] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1643, \old(argv)={1641:1604}, arg={0:0}, argc=1643, cur=1, i=1, id1=-1, id2=0, j=1, next=0, p=0, prev=0, q=0, x=0] [L723] CALL, EXPR 0 fib() [L706] 0 x = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=0, q=0, x=0] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=0] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=0] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=3, p=0, prev=1, q=0, x=2] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=2, i=1, j=1, next=3, p=0, prev=2, q=0, x=2] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=2] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=5, p=0, prev=2, q=0, x=3] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=3, i=1, j=1, next=5, p=0, prev=3, q=0, x=3] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=3] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=8, p=0, prev=3, q=0, x=4] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=5, i=1, j=1, next=8, p=0, prev=5, q=0, x=4] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=4] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=13, p=0, prev=5, q=0, x=5] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=8, i=1, j=1, next=13, p=0, prev=8, q=0, x=5] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=5] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=21, p=0, prev=8, q=0, x=6] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=13, i=1, j=1, next=21, p=0, prev=13, q=0, x=6] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=6] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=34, p=0, prev=13, q=0, x=7] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=21, i=1, j=1, next=34, p=0, prev=21, q=0, x=7] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=7] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=55, p=0, prev=21, q=0, x=8] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=34, i=1, j=1, next=55, p=0, prev=34, q=0, x=8] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=8] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=89, p=0, prev=34, q=0, x=9] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=55, i=1, j=1, next=89, p=0, prev=55, q=0, x=9] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=9] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=144, p=0, prev=55, q=0, x=10] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=89, i=1, j=1, next=144, p=0, prev=89, q=0, x=10] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=10] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=233, p=0, prev=89, q=0, x=11] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=144, i=1, j=1, next=233, p=0, prev=144, q=0, x=11] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=11] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=377, p=0, prev=144, q=0, x=12] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=233, i=1, j=1, next=377, p=0, prev=233, q=0, x=12] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=12] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=610, p=0, prev=233, q=0, x=13] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=377, i=1, j=1, next=610, p=0, prev=377, q=0, x=13] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=13] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=987, p=0, prev=377, q=0, x=14] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=610, i=1, j=1, next=987, p=0, prev=610, q=0, x=14] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=14] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L706] COND TRUE 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L707] EXPR 0 prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L707] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=1597, p=0, prev=610, q=0, x=15] [L708] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=987, i=1, j=1, next=1597, p=0, prev=987, q=0, x=15] [L709] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=15] [L706] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L706] 0 x < 16 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L706] COND FALSE 0 !(x < 16) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L711] 0 return prev; VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result=987, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L723] RET, EXPR 0 fib() [L723] 0 int correct = fib(); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1643, \old(argv)={1641:1604}, arg={0:0}, argc=1643, correct=987, cur=1597, i=1, id1=-1, id2=0, j=1, next=1597, p=0, prev=987, q=0, x=16] [L725] 0 i <= correct VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1643, \old(argv)={1641:1604}, arg={0:0}, argc=1643, correct=987, cur=1597, i=1, id1=-1, id2=0, j=1, next=1597, p=0, prev=987, q=0, x=16] [L690] EXPR 1 i + j [L690] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, cur=1597, i=2, j=1, next=1597, p=0, prev=987, q=0, x=16] [L725] 0 i <= correct VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1643, \old(argv)={1641:1604}, arg={0:0}, argc=1643, correct=987, cur=1597, i=2, id1=-1, id2=0, j=1, next=1597, p=0, prev=987, q=0, x=16] Now there is a data race on ~i~0 between C: i = i + j [690] and C: i <= correct [725] - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 240 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 26.5s, OverallIterations: 24, TraceHistogramMax: 17, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1291 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1075 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1089 IncrementalHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 93 mSDtfsCounter, 1089 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2696 GetRequests, 2478 SyntacticMatches, 31 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2620 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=23, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 4149 NumberOfCodeBlocks, 4149 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 4661 ConstructedInterpolants, 0 QuantifiedInterpolants, 10505 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2472 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 33 InterpolantComputations, 19 PerfectInterpolantSequences, 6/13791 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:15:01,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62b944f-7800-420d-86b5-84d51793eb90/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)