./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/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_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/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_5bc07f55-fe84-43ab-954e-df3f12d7af0e/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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:51:43,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:51:43,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:51:43,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:51:43,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:51:43,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:51:43,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:51:43,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:51:43,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:51:43,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:51:43,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:51:43,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:51:43,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:51:43,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:51:43,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:51:43,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:51:43,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:51:43,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:43,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:43,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:51:43,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:51:43,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:51:43,615 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_5bc07f55-fe84-43ab-954e-df3f12d7af0e/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 -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-28 02:51:44,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:51:44,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:51:44,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:51:44,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:51:44,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:51:44,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-28 02:51:47,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/data/1062ca895/5c7a26f9f3c040ef810338c3d3d7ae5d/FLAG92943e524 [2024-11-28 02:51:48,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:51:48,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-28 02:51:48,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/data/1062ca895/5c7a26f9f3c040ef810338c3d3d7ae5d/FLAG92943e524 [2024-11-28 02:51:48,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/data/1062ca895/5c7a26f9f3c040ef810338c3d3d7ae5d [2024-11-28 02:51:48,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:51:48,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:51:48,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:51:48,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:51:48,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:51:48,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c5a098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48, skipping insertion in model container [2024-11-28 02:51:48,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:51:48,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:51:48,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:51:48,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:51:48,712 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:51:48,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48 WrapperNode [2024-11-28 02:51:48,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:51:48,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:51:48,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:51:48,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:51:48,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,765 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 198 [2024-11-28 02:51:48,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:51:48,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:51:48,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:51:48,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:51:48,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:51:48,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:51:48,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:51:48,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:51:48,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (1/1) ... [2024-11-28 02:51:48,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:51:48,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:51:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 02:51:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 02:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:51:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:51:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:51:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:51:48,931 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 02:51:49,109 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:51:49,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:51:49,616 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:51:49,616 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:51:49,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:51:49,696 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:51:49,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:49 BoogieIcfgContainer [2024-11-28 02:51:49,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:51:49,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:51:49,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:51:49,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:51:49,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:51:48" (1/3) ... [2024-11-28 02:51:49,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3369c703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:51:49, skipping insertion in model container [2024-11-28 02:51:49,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:48" (2/3) ... [2024-11-28 02:51:49,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3369c703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:51:49, skipping insertion in model container [2024-11-28 02:51:49,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:49" (3/3) ... [2024-11-28 02:51:49,713 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-28 02:51:49,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:51:49,735 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i that has 2 procedures, 226 locations, 1 initial locations, 0 loop locations, and 9 error locations. [2024-11-28 02:51:49,736 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:51:49,864 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:51:49,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 237 transitions, 478 flow [2024-11-28 02:51:50,134 INFO L124 PetriNetUnfolderBase]: 11/240 cut-off events. [2024-11-28 02:51:50,141 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:51:50,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 240 events. 11/240 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 273 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 193. Up to 2 conditions per place. [2024-11-28 02:51:50,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 229 places, 237 transitions, 478 flow [2024-11-28 02:51:50,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 235 transitions, 473 flow [2024-11-28 02:51:50,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:51:50,197 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;@6f16ca39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:51:50,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-28 02:51:50,233 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:51:50,233 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2024-11-28 02:51:50,233 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:51:50,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:50,234 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] [2024-11-28 02:51:50,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:50,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:50,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2069921328, now seen corresponding path program 1 times [2024-11-28 02:51:50,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:50,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820607493] [2024-11-28 02:51:50,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:50,650 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 02:51:50,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:50,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820607493] [2024-11-28 02:51:50,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820607493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:50,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:50,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:50,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317369616] [2024-11-28 02:51:50,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:50,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:50,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:50,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:50,765 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 237 [2024-11-28 02:51:50,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 235 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 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 02:51:50,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:50,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 237 [2024-11-28 02:51:50,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:51,339 INFO L124 PetriNetUnfolderBase]: 122/1316 cut-off events. [2024-11-28 02:51:51,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:51:51,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1590 conditions, 1316 events. 122/1316 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7799 event pairs, 87 based on Foata normal form. 112/1278 useless extension candidates. Maximal degree in co-relation 1541. Up to 236 conditions per place. [2024-11-28 02:51:51,361 INFO L140 encePairwiseOnDemand]: 221/237 looper letters, 30 selfloop transitions, 5 changer transitions 0/229 dead transitions. [2024-11-28 02:51:51,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 229 transitions, 531 flow [2024-11-28 02:51:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2024-11-28 02:51:51,386 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9156118143459916 [2024-11-28 02:51:51,389 INFO L175 Difference]: Start difference. First operand has 228 places, 235 transitions, 473 flow. Second operand 3 states and 651 transitions. [2024-11-28 02:51:51,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 229 transitions, 531 flow [2024-11-28 02:51:51,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 229 transitions, 530 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:51:51,409 INFO L231 Difference]: Finished difference. Result has 225 places, 223 transitions, 478 flow [2024-11-28 02:51:51,412 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=225, PETRI_TRANSITIONS=223} [2024-11-28 02:51:51,417 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -3 predicate places. [2024-11-28 02:51:51,418 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 223 transitions, 478 flow [2024-11-28 02:51:51,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 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 02:51:51,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:51,421 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:51,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:51:51,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:51,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash 211532478, now seen corresponding path program 1 times [2024-11-28 02:51:51,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:51,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842527504] [2024-11-28 02:51:51,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:51,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:51,551 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 02:51:51,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:51,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842527504] [2024-11-28 02:51:51,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842527504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:51,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:51,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650070904] [2024-11-28 02:51:51,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:51,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:51,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:51,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:51,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:51,577 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 237 [2024-11-28 02:51:51,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 223 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:51,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:51,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 237 [2024-11-28 02:51:51,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:52,105 INFO L124 PetriNetUnfolderBase]: 115/1372 cut-off events. [2024-11-28 02:51:52,105 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:51:52,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 1372 events. 115/1372 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8298 event pairs, 72 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 1664. Up to 207 conditions per place. [2024-11-28 02:51:52,118 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 28 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2024-11-28 02:51:52,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 232 transitions, 560 flow [2024-11-28 02:51:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-28 02:51:52,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8945147679324894 [2024-11-28 02:51:52,126 INFO L175 Difference]: Start difference. First operand has 225 places, 223 transitions, 478 flow. Second operand 3 states and 636 transitions. [2024-11-28 02:51:52,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 232 transitions, 560 flow [2024-11-28 02:51:52,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 232 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:52,140 INFO L231 Difference]: Finished difference. Result has 227 places, 226 transitions, 498 flow [2024-11-28 02:51:52,143 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=227, PETRI_TRANSITIONS=226} [2024-11-28 02:51:52,144 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -1 predicate places. [2024-11-28 02:51:52,144 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 226 transitions, 498 flow [2024-11-28 02:51:52,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:52,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:52,145 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] [2024-11-28 02:51:52,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:51:52,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:52,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1938240668, now seen corresponding path program 1 times [2024-11-28 02:51:52,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:52,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684122434] [2024-11-28 02:51:52,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:52,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:52,298 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 02:51:52,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:52,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684122434] [2024-11-28 02:51:52,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684122434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:52,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:52,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:52,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486573191] [2024-11-28 02:51:52,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:52,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:52,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:52,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:52,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:52,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 237 [2024-11-28 02:51:52,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 226 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 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 02:51:52,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:52,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 237 [2024-11-28 02:51:52,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:52,922 INFO L124 PetriNetUnfolderBase]: 122/2008 cut-off events. [2024-11-28 02:51:52,923 INFO L125 PetriNetUnfolderBase]: For 46/49 co-relation queries the response was YES. [2024-11-28 02:51:52,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2008 events. 122/2008 cut-off events. For 46/49 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 14340 event pairs, 26 based on Foata normal form. 0/1813 useless extension candidates. Maximal degree in co-relation 2381. Up to 146 conditions per place. [2024-11-28 02:51:52,941 INFO L140 encePairwiseOnDemand]: 233/237 looper letters, 30 selfloop transitions, 4 changer transitions 0/240 dead transitions. [2024-11-28 02:51:52,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 240 transitions, 598 flow [2024-11-28 02:51:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2024-11-28 02:51:52,946 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9127988748241913 [2024-11-28 02:51:52,946 INFO L175 Difference]: Start difference. First operand has 227 places, 226 transitions, 498 flow. Second operand 3 states and 649 transitions. [2024-11-28 02:51:52,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 240 transitions, 598 flow [2024-11-28 02:51:52,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 240 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:52,958 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 518 flow [2024-11-28 02:51:52,959 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=518, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2024-11-28 02:51:52,961 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, 1 predicate places. [2024-11-28 02:51:52,961 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 518 flow [2024-11-28 02:51:52,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 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 02:51:52,962 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:52,962 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] [2024-11-28 02:51:52,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:51:52,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:52,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:52,963 INFO L85 PathProgramCache]: Analyzing trace with hash -586780389, now seen corresponding path program 1 times [2024-11-28 02:51:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:52,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932177301] [2024-11-28 02:51:52,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:53,142 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 02:51:53,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:53,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932177301] [2024-11-28 02:51:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932177301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:53,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339428660] [2024-11-28 02:51:53,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:53,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:53,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:53,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:53,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:53,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 237 [2024-11-28 02:51:53,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 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 02:51:53,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:53,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 237 [2024-11-28 02:51:53,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:53,968 INFO L124 PetriNetUnfolderBase]: 240/3005 cut-off events. [2024-11-28 02:51:53,968 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2024-11-28 02:51:53,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3692 conditions, 3005 events. 240/3005 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 25014 event pairs, 34 based on Foata normal form. 0/2707 useless extension candidates. Maximal degree in co-relation 3641. Up to 299 conditions per place. [2024-11-28 02:51:53,984 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 31 selfloop transitions, 4 changer transitions 0/243 dead transitions. [2024-11-28 02:51:53,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 243 transitions, 618 flow [2024-11-28 02:51:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2024-11-28 02:51:53,992 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9113924050632911 [2024-11-28 02:51:53,992 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 518 flow. Second operand 3 states and 648 transitions. [2024-11-28 02:51:53,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 243 transitions, 618 flow [2024-11-28 02:51:53,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 243 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:54,001 INFO L231 Difference]: Finished difference. Result has 231 places, 231 transitions, 540 flow [2024-11-28 02:51:54,002 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=231, PETRI_TRANSITIONS=231} [2024-11-28 02:51:54,004 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, 3 predicate places. [2024-11-28 02:51:54,005 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 231 transitions, 540 flow [2024-11-28 02:51:54,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 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 02:51:54,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:54,006 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:54,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:51:54,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:54,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:54,010 INFO L85 PathProgramCache]: Analyzing trace with hash -359842066, now seen corresponding path program 1 times [2024-11-28 02:51:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698874823] [2024-11-28 02:51:54,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:54,543 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 02:51:54,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698874823] [2024-11-28 02:51:54,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698874823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:54,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:54,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:51:54,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437717309] [2024-11-28 02:51:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:54,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:51:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:54,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:51:54,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:51:54,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 237 [2024-11-28 02:51:54,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 231 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 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 02:51:54,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:54,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 237 [2024-11-28 02:51:54,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:54,935 INFO L124 PetriNetUnfolderBase]: 40/1040 cut-off events. [2024-11-28 02:51:54,935 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-28 02:51:54,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 1040 events. 40/1040 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4984 event pairs, 23 based on Foata normal form. 8/973 useless extension candidates. Maximal degree in co-relation 1218. Up to 82 conditions per place. [2024-11-28 02:51:54,940 INFO L140 encePairwiseOnDemand]: 227/237 looper letters, 17 selfloop transitions, 10 changer transitions 1/229 dead transitions. [2024-11-28 02:51:54,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 229 transitions, 562 flow [2024-11-28 02:51:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:51:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:51:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1066 transitions. [2024-11-28 02:51:54,944 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8995780590717299 [2024-11-28 02:51:54,944 INFO L175 Difference]: Start difference. First operand has 231 places, 231 transitions, 540 flow. Second operand 5 states and 1066 transitions. [2024-11-28 02:51:54,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 229 transitions, 562 flow [2024-11-28 02:51:54,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 229 transitions, 532 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-28 02:51:54,952 INFO L231 Difference]: Finished difference. Result has 226 places, 222 transitions, 498 flow [2024-11-28 02:51:54,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=498, PETRI_PLACES=226, PETRI_TRANSITIONS=222} [2024-11-28 02:51:54,953 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -2 predicate places. [2024-11-28 02:51:54,954 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 222 transitions, 498 flow [2024-11-28 02:51:54,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 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 02:51:54,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:54,955 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:54,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:51:54,956 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:54,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1761699075, now seen corresponding path program 1 times [2024-11-28 02:51:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820546517] [2024-11-28 02:51:54,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:55,040 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 02:51:55,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820546517] [2024-11-28 02:51:55,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820546517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:55,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:55,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:55,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573999462] [2024-11-28 02:51:55,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:55,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:55,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:55,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:55,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:55,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 237 [2024-11-28 02:51:55,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 222 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 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 02:51:55,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:55,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 237 [2024-11-28 02:51:55,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:55,358 INFO L124 PetriNetUnfolderBase]: 66/1216 cut-off events. [2024-11-28 02:51:55,358 INFO L125 PetriNetUnfolderBase]: For 104/106 co-relation queries the response was YES. [2024-11-28 02:51:55,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 1216 events. 66/1216 cut-off events. For 104/106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6789 event pairs, 59 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1518. Up to 189 conditions per place. [2024-11-28 02:51:55,363 INFO L140 encePairwiseOnDemand]: 234/237 looper letters, 28 selfloop transitions, 3 changer transitions 0/223 dead transitions. [2024-11-28 02:51:55,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 223 transitions, 565 flow [2024-11-28 02:51:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2024-11-28 02:51:55,366 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8804500703234881 [2024-11-28 02:51:55,366 INFO L175 Difference]: Start difference. First operand has 226 places, 222 transitions, 498 flow. Second operand 3 states and 626 transitions. [2024-11-28 02:51:55,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 223 transitions, 565 flow [2024-11-28 02:51:55,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:55,375 INFO L231 Difference]: Finished difference. Result has 225 places, 221 transitions, 499 flow [2024-11-28 02:51:55,375 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=225, PETRI_TRANSITIONS=221} [2024-11-28 02:51:55,377 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -3 predicate places. [2024-11-28 02:51:55,378 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 221 transitions, 499 flow [2024-11-28 02:51:55,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 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 02:51:55,379 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:55,379 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:55,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:51:55,381 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:55,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:55,382 INFO L85 PathProgramCache]: Analyzing trace with hash 85735142, now seen corresponding path program 1 times [2024-11-28 02:51:55,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:55,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694359039] [2024-11-28 02:51:55,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:55,489 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 02:51:55,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:55,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694359039] [2024-11-28 02:51:55,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694359039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:55,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:55,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:55,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511177460] [2024-11-28 02:51:55,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:55,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:55,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:55,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:55,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 237 [2024-11-28 02:51:55,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 221 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:55,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:55,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 237 [2024-11-28 02:51:55,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:55,772 INFO L124 PetriNetUnfolderBase]: 69/1218 cut-off events. [2024-11-28 02:51:55,772 INFO L125 PetriNetUnfolderBase]: For 114/118 co-relation queries the response was YES. [2024-11-28 02:51:55,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1600 conditions, 1218 events. 69/1218 cut-off events. For 114/118 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6792 event pairs, 60 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 1547. Up to 193 conditions per place. [2024-11-28 02:51:55,778 INFO L140 encePairwiseOnDemand]: 234/237 looper letters, 28 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2024-11-28 02:51:55,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 566 flow [2024-11-28 02:51:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2024-11-28 02:51:55,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8804500703234881 [2024-11-28 02:51:55,781 INFO L175 Difference]: Start difference. First operand has 225 places, 221 transitions, 499 flow. Second operand 3 states and 626 transitions. [2024-11-28 02:51:55,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 566 flow [2024-11-28 02:51:55,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:55,787 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 497 flow [2024-11-28 02:51:55,787 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=224, PETRI_TRANSITIONS=220} [2024-11-28 02:51:55,789 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -4 predicate places. [2024-11-28 02:51:55,789 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 497 flow [2024-11-28 02:51:55,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:55,791 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:55,791 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:55,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:51:55,792 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:55,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:55,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1634830210, now seen corresponding path program 1 times [2024-11-28 02:51:55,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:55,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632683745] [2024-11-28 02:51:55,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:55,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:55,915 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 02:51:55,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:55,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632683745] [2024-11-28 02:51:55,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632683745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:55,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:55,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:55,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294255088] [2024-11-28 02:51:55,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:55,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:55,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:55,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:55,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:55,959 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 237 [2024-11-28 02:51:55,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:55,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:55,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 237 [2024-11-28 02:51:55,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:56,244 INFO L124 PetriNetUnfolderBase]: 112/1285 cut-off events. [2024-11-28 02:51:56,244 INFO L125 PetriNetUnfolderBase]: For 116/123 co-relation queries the response was YES. [2024-11-28 02:51:56,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1285 events. 112/1285 cut-off events. For 116/123 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7250 event pairs, 82 based on Foata normal form. 0/1182 useless extension candidates. Maximal degree in co-relation 1717. Up to 254 conditions per place. [2024-11-28 02:51:56,249 INFO L140 encePairwiseOnDemand]: 231/237 looper letters, 29 selfloop transitions, 5 changer transitions 9/230 dead transitions. [2024-11-28 02:51:56,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 230 transitions, 603 flow [2024-11-28 02:51:56,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2024-11-28 02:51:56,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.890295358649789 [2024-11-28 02:51:56,252 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 497 flow. Second operand 3 states and 633 transitions. [2024-11-28 02:51:56,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 230 transitions, 603 flow [2024-11-28 02:51:56,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 230 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:56,258 INFO L231 Difference]: Finished difference. Result has 226 places, 217 transitions, 502 flow [2024-11-28 02:51:56,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=226, PETRI_TRANSITIONS=217} [2024-11-28 02:51:56,260 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -2 predicate places. [2024-11-28 02:51:56,261 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 217 transitions, 502 flow [2024-11-28 02:51:56,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 02:51:56,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:56,262 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:56,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:51:56,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:56,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:56,263 INFO L85 PathProgramCache]: Analyzing trace with hash -238349530, now seen corresponding path program 1 times [2024-11-28 02:51:56,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:56,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493947309] [2024-11-28 02:51:56,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:56,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:56,349 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 02:51:56,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:56,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493947309] [2024-11-28 02:51:56,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493947309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:56,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:56,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:56,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285364264] [2024-11-28 02:51:56,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:56,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:56,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:56,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:56,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:56,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 237 [2024-11-28 02:51:56,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 217 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 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 02:51:56,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:56,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 237 [2024-11-28 02:51:56,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:56,581 INFO L124 PetriNetUnfolderBase]: 73/1011 cut-off events. [2024-11-28 02:51:56,581 INFO L125 PetriNetUnfolderBase]: For 111/114 co-relation queries the response was YES. [2024-11-28 02:51:56,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1011 events. 73/1011 cut-off events. For 111/114 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4910 event pairs, 52 based on Foata normal form. 0/943 useless extension candidates. Maximal degree in co-relation 1366. Up to 172 conditions per place. [2024-11-28 02:51:56,587 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 28 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2024-11-28 02:51:56,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 224 transitions, 589 flow [2024-11-28 02:51:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2024-11-28 02:51:56,590 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8917018284106891 [2024-11-28 02:51:56,590 INFO L175 Difference]: Start difference. First operand has 226 places, 217 transitions, 502 flow. Second operand 3 states and 634 transitions. [2024-11-28 02:51:56,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 224 transitions, 589 flow [2024-11-28 02:51:56,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 224 transitions, 575 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:56,641 INFO L231 Difference]: Finished difference. Result has 228 places, 220 transitions, 526 flow [2024-11-28 02:51:56,642 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=228, PETRI_TRANSITIONS=220} [2024-11-28 02:51:56,642 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, 0 predicate places. [2024-11-28 02:51:56,643 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 220 transitions, 526 flow [2024-11-28 02:51:56,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 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 02:51:56,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:56,643 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:51:56,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:51:56,644 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:56,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash 594234345, now seen corresponding path program 1 times [2024-11-28 02:51:56,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:56,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692769590] [2024-11-28 02:51:56,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:56,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:56,729 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 02:51:56,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:56,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692769590] [2024-11-28 02:51:56,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692769590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:56,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:56,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:51:56,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966838639] [2024-11-28 02:51:56,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:56,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:51:56,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:56,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:51:56,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:51:56,756 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 237 [2024-11-28 02:51:56,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 220 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 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 02:51:56,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:56,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 237 [2024-11-28 02:51:56,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:56,994 INFO L124 PetriNetUnfolderBase]: 63/1035 cut-off events. [2024-11-28 02:51:56,995 INFO L125 PetriNetUnfolderBase]: For 198/203 co-relation queries the response was YES. [2024-11-28 02:51:56,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1035 events. 63/1035 cut-off events. For 198/203 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5091 event pairs, 30 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 1418. Up to 110 conditions per place. [2024-11-28 02:51:56,999 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 24 selfloop transitions, 3 changer transitions 12/232 dead transitions. [2024-11-28 02:51:56,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 232 transitions, 644 flow [2024-11-28 02:51:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-28 02:51:57,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9029535864978903 [2024-11-28 02:51:57,002 INFO L175 Difference]: Start difference. First operand has 228 places, 220 transitions, 526 flow. Second operand 3 states and 642 transitions. [2024-11-28 02:51:57,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 232 transitions, 644 flow [2024-11-28 02:51:57,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 232 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:51:57,011 INFO L231 Difference]: Finished difference. Result has 230 places, 218 transitions, 530 flow [2024-11-28 02:51:57,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=230, PETRI_TRANSITIONS=218} [2024-11-28 02:51:57,013 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, 2 predicate places. [2024-11-28 02:51:57,014 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 218 transitions, 530 flow [2024-11-28 02:51:57,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 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 02:51:57,014 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:57,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:57,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:51:57,015 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-28 02:51:57,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash -248028292, now seen corresponding path program 1 times [2024-11-28 02:51:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:57,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128178233] [2024-11-28 02:51:57,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:57,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:57,927 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 02:51:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:57,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128178233] [2024-11-28 02:51:57,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128178233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:57,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:57,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:51:57,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923403304] [2024-11-28 02:51:57,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:57,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:51:57,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:57,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:51:57,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:51:58,126 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 237 [2024-11-28 02:51:58,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 218 transitions, 530 flow. Second operand has 7 states, 7 states have (on average 208.14285714285714) internal successors, (1457), 7 states have internal predecessors, (1457), 0 states have call successors, (0), 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 02:51:58,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:58,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 237 [2024-11-28 02:51:58,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:58,355 INFO L124 PetriNetUnfolderBase]: 16/563 cut-off events. [2024-11-28 02:51:58,355 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-28 02:51:58,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 563 events. 16/563 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1656 event pairs, 2 based on Foata normal form. 6/540 useless extension candidates. Maximal degree in co-relation 681. Up to 45 conditions per place. [2024-11-28 02:51:58,357 INFO L140 encePairwiseOnDemand]: 231/237 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2024-11-28 02:51:58,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 209 transitions, 543 flow [2024-11-28 02:51:58,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:51:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:51:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1261 transitions. [2024-11-28 02:51:58,362 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8867791842475387 [2024-11-28 02:51:58,363 INFO L175 Difference]: Start difference. First operand has 230 places, 218 transitions, 530 flow. Second operand 6 states and 1261 transitions. [2024-11-28 02:51:58,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 209 transitions, 543 flow [2024-11-28 02:51:58,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 209 transitions, 502 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-28 02:51:58,368 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2024-11-28 02:51:58,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=217, PETRI_TRANSITIONS=0} [2024-11-28 02:51:58,369 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -11 predicate places. [2024-11-28 02:51:58,369 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2024-11-28 02:51:58,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 208.14285714285714) internal successors, (1457), 7 states have internal predecessors, (1457), 0 states have call successors, (0), 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 02:51:58,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2024-11-28 02:51:58,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-28 02:51:58,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-28 02:51:58,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-28 02:51:58,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-28 02:51:58,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-28 02:51:58,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:51:58,376 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:58,383 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:51:58,383 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:51:58,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:51:58 BasicIcfg [2024-11-28 02:51:58,390 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:51:58,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:51:58,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:51:58,391 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:51:58,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:49" (3/4) ... [2024-11-28 02:51:58,395 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:51:58,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-28 02:51:58,403 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 02:51:58,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:51:58,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:51:58,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:51:58,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:51:58,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:51:58,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:51:58,496 INFO L158 Benchmark]: Toolchain (without parser) took 10380.10ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 104.1MB in the beginning and 373.9MB in the end (delta: -269.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-28 02:51:58,497 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:58,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.29ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 83.2MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:51:58,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:58,498 INFO L158 Benchmark]: Boogie Preprocessor took 62.14ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:58,498 INFO L158 Benchmark]: RCFGBuilder took 870.94ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 56.3MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:51:58,499 INFO L158 Benchmark]: TraceAbstraction took 8687.41ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 56.0MB in the beginning and 378.4MB in the end (delta: -322.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:58,499 INFO L158 Benchmark]: Witness Printer took 104.34ms. Allocated memory is still 453.0MB. Free memory was 378.4MB in the beginning and 373.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:51:58,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.29ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 83.2MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.14ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 870.94ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 56.3MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8687.41ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 56.0MB in the beginning and 378.4MB in the end (delta: -322.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.34ms. Allocated memory is still 453.0MB. Free memory was 378.4MB in the beginning and 373.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 332 locations, 14 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: 8.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 810 IncrementalHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 34 mSDtfsCounter, 810 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=4, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:51:58,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc07f55-fe84-43ab-954e-df3f12d7af0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE