./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/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_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/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_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/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 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:02:21,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:02:21,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:02:21,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:02:21,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:02:21,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:02:21,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:02:21,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:02:21,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:02:21,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:02:21,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:02:21,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:02:21,366 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:02:21,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:02:21,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:02:21,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:02:21,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:21,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:21,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:21,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:02:21,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:21,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:21,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:21,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:02:21,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:02:21,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:02:21,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:02:21,371 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_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/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 -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2024-11-28 03:02:21,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:02:21,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:02:21,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:02:21,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:02:21,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:02:21,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-28 03:02:24,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/data/120afb401/72967cbe9201454e8cf4b23be97c52b2/FLAG519d08865 [2024-11-28 03:02:24,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:02:24,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-28 03:02:24,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/data/120afb401/72967cbe9201454e8cf4b23be97c52b2/FLAG519d08865 [2024-11-28 03:02:24,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/data/120afb401/72967cbe9201454e8cf4b23be97c52b2 [2024-11-28 03:02:24,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:02:24,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:02:24,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:24,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:02:25,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:02:25,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:24" (1/1) ... [2024-11-28 03:02:25,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f4706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25, skipping insertion in model container [2024-11-28 03:02:25,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:24" (1/1) ... [2024-11-28 03:02:25,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:02:25,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:25,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:02:25,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:25,463 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:02:25,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25 WrapperNode [2024-11-28 03:02:25,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:25,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:25,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:02:25,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:02:25,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,539 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1319 [2024-11-28 03:02:25,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:25,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:02:25,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:02:25,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:02:25,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:02:25,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:02:25,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:02:25,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:02:25,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (1/1) ... [2024-11-28 03:02:25,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:25,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:25,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:02:25,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81088d0f-c4d9-4d56-8b0c-172bc5f1a5f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:02:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:02:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:02:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:02:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:02:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:02:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:02:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:02:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:02:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:02:25,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:02:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:02:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:02:25,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:02:25,709 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:02:25,925 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:02:25,927 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:02:27,735 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:02:27,735 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:02:27,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:02:27,808 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 03:02:27,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:27 BoogieIcfgContainer [2024-11-28 03:02:27,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:02:27,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:02:27,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:02:27,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:02:27,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:24" (1/3) ... [2024-11-28 03:02:27,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5794fe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:27, skipping insertion in model container [2024-11-28 03:02:27,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:25" (2/3) ... [2024-11-28 03:02:27,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5794fe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:27, skipping insertion in model container [2024-11-28 03:02:27,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:27" (3/3) ... [2024-11-28 03:02:27,823 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2024-11-28 03:02:27,839 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:02:27,841 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-nzb-file-subst.wvr.c that has 4 procedures, 1670 locations, 1 initial locations, 6 loop locations, and 227 error locations. [2024-11-28 03:02:27,841 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:02:28,242 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:02:28,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1679 places, 1780 transitions, 3581 flow [2024-11-28 03:02:30,005 INFO L124 PetriNetUnfolderBase]: 111/1777 cut-off events. [2024-11-28 03:02:30,007 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:02:30,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 1777 events. 111/1777 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7676 event pairs, 0 based on Foata normal form. 0/1439 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-28 03:02:30,107 INFO L82 GeneralOperation]: Start removeDead. Operand has 1679 places, 1780 transitions, 3581 flow [2024-11-28 03:02:30,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1656 places, 1754 transitions, 3526 flow [2024-11-28 03:02:30,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:02:30,185 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;@190d2d92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:02:30,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2024-11-28 03:02:30,195 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:02:30,195 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-28 03:02:30,195 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:02:30,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:30,196 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:30,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1125274070, now seen corresponding path program 1 times [2024-11-28 03:02:30,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:30,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701849479] [2024-11-28 03:02:30,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:30,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:30,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:30,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701849479] [2024-11-28 03:02:30,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701849479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:30,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:30,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588592565] [2024-11-28 03:02:30,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:30,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:30,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:30,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:30,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:30,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1656 places, 1754 transitions, 3526 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:30,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:30,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:30,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:33,320 INFO L124 PetriNetUnfolderBase]: 171/3528 cut-off events. [2024-11-28 03:02:33,322 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-28 03:02:33,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 3528 events. 171/3528 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21513 event pairs, 7 based on Foata normal form. 113/2921 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2024-11-28 03:02:33,475 INFO L140 encePairwiseOnDemand]: 1741/1780 looper letters, 11 selfloop transitions, 2 changer transitions 6/1717 dead transitions. [2024-11-28 03:02:33,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1657 places, 1717 transitions, 3478 flow [2024-11-28 03:02:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5231 transitions. [2024-11-28 03:02:33,504 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9795880149812735 [2024-11-28 03:02:33,506 INFO L175 Difference]: Start difference. First operand has 1656 places, 1754 transitions, 3526 flow. Second operand 3 states and 5231 transitions. [2024-11-28 03:02:33,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1657 places, 1717 transitions, 3478 flow [2024-11-28 03:02:33,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 03:02:33,548 INFO L231 Difference]: Finished difference. Result has 1651 places, 1711 transitions, 3432 flow [2024-11-28 03:02:33,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3440, PETRI_DIFFERENCE_MINUEND_PLACES=1649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1651, PETRI_TRANSITIONS=1711} [2024-11-28 03:02:33,557 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -5 predicate places. [2024-11-28 03:02:33,558 INFO L471 AbstractCegarLoop]: Abstraction has has 1651 places, 1711 transitions, 3432 flow [2024-11-28 03:02:33,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:33,562 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:33,563 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] [2024-11-28 03:02:33,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:02:33,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:33,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:33,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1174339848, now seen corresponding path program 1 times [2024-11-28 03:02:33,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:33,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965987602] [2024-11-28 03:02:33,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:33,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:33,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:33,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965987602] [2024-11-28 03:02:33,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965987602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:33,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:33,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:33,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239918057] [2024-11-28 03:02:33,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:33,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:33,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:33,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:33,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:33,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:33,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:33,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:33,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:36,017 INFO L124 PetriNetUnfolderBase]: 171/3521 cut-off events. [2024-11-28 03:02:36,018 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-28 03:02:36,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3559 conditions, 3521 events. 171/3521 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22688 event pairs, 7 based on Foata normal form. 0/2809 useless extension candidates. Maximal degree in co-relation 3513. Up to 25 conditions per place. [2024-11-28 03:02:36,203 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2024-11-28 03:02:36,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2024-11-28 03:02:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-11-28 03:02:36,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-11-28 03:02:36,217 INFO L175 Difference]: Start difference. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand 3 states and 5195 transitions. [2024-11-28 03:02:36,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2024-11-28 03:02:36,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:36,252 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2024-11-28 03:02:36,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2024-11-28 03:02:36,255 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -12 predicate places. [2024-11-28 03:02:36,256 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2024-11-28 03:02:36,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:36,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:36,259 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] [2024-11-28 03:02:36,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:02:36,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:36,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:36,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1018636481, now seen corresponding path program 1 times [2024-11-28 03:02:36,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:36,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806901894] [2024-11-28 03:02:36,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:36,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:36,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806901894] [2024-11-28 03:02:36,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806901894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:36,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:36,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:36,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934627349] [2024-11-28 03:02:36,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:36,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:36,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:36,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:36,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:36,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:36,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:36,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:36,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:36,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:38,118 INFO L124 PetriNetUnfolderBase]: 123/2619 cut-off events. [2024-11-28 03:02:38,118 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 03:02:38,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2652 conditions, 2619 events. 123/2619 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14364 event pairs, 5 based on Foata normal form. 0/2103 useless extension candidates. Maximal degree in co-relation 2598. Up to 22 conditions per place. [2024-11-28 03:02:38,249 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2024-11-28 03:02:38,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2024-11-28 03:02:38,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-11-28 03:02:38,257 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-11-28 03:02:38,257 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5195 transitions. [2024-11-28 03:02:38,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2024-11-28 03:02:38,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:38,282 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2024-11-28 03:02:38,284 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2024-11-28 03:02:38,285 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -13 predicate places. [2024-11-28 03:02:38,285 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2024-11-28 03:02:38,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:38,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:38,289 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 03:02:38,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:02:38,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:38,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:38,290 INFO L85 PathProgramCache]: Analyzing trace with hash 818520368, now seen corresponding path program 1 times [2024-11-28 03:02:38,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619048889] [2024-11-28 03:02:38,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:38,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:38,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619048889] [2024-11-28 03:02:38,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619048889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:38,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:38,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:38,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788943284] [2024-11-28 03:02:38,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:38,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:38,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:38,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:38,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:38,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:38,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:38,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:38,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:38,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:39,407 INFO L124 PetriNetUnfolderBase]: 123/2618 cut-off events. [2024-11-28 03:02:39,408 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 03:02:39,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2618 events. 123/2618 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14897 event pairs, 5 based on Foata normal form. 0/2104 useless extension candidates. Maximal degree in co-relation 2589. Up to 22 conditions per place. [2024-11-28 03:02:39,532 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2024-11-28 03:02:39,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3452 flow [2024-11-28 03:02:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-11-28 03:02:39,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-11-28 03:02:39,543 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5195 transitions. [2024-11-28 03:02:39,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3452 flow [2024-11-28 03:02:39,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:39,577 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2024-11-28 03:02:39,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2024-11-28 03:02:39,580 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -14 predicate places. [2024-11-28 03:02:39,581 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2024-11-28 03:02:39,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:39,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:39,584 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] [2024-11-28 03:02:39,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:02:39,584 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:39,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:39,585 INFO L85 PathProgramCache]: Analyzing trace with hash -821988413, now seen corresponding path program 1 times [2024-11-28 03:02:39,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:39,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332091998] [2024-11-28 03:02:39,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:39,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:39,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:39,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332091998] [2024-11-28 03:02:39,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332091998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:39,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:39,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:39,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884516662] [2024-11-28 03:02:39,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:39,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:39,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:39,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:39,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:39,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:39,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:39,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:39,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:39,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:40,954 INFO L124 PetriNetUnfolderBase]: 102/2168 cut-off events. [2024-11-28 03:02:40,954 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-28 03:02:41,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 2168 events. 102/2168 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10869 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2133. Up to 25 conditions per place. [2024-11-28 03:02:41,044 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2024-11-28 03:02:41,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3450 flow [2024-11-28 03:02:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-11-28 03:02:41,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-11-28 03:02:41,051 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5195 transitions. [2024-11-28 03:02:41,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3450 flow [2024-11-28 03:02:41,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:41,080 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2024-11-28 03:02:41,082 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2024-11-28 03:02:41,083 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -15 predicate places. [2024-11-28 03:02:41,083 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2024-11-28 03:02:41,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:41,087 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:41,087 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] [2024-11-28 03:02:41,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:02:41,087 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:41,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1549762730, now seen corresponding path program 1 times [2024-11-28 03:02:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:41,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666901573] [2024-11-28 03:02:41,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:41,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:41,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:41,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666901573] [2024-11-28 03:02:41,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666901573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:41,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:41,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:41,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940383347] [2024-11-28 03:02:41,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:41,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:41,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:41,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:41,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:41,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-11-28 03:02:41,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:41,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:41,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-11-28 03:02:41,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:42,534 INFO L124 PetriNetUnfolderBase]: 102/2167 cut-off events. [2024-11-28 03:02:42,534 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-28 03:02:42,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 2167 events. 102/2167 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11178 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2124. Up to 25 conditions per place. [2024-11-28 03:02:42,646 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-28 03:02:42,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3448 flow [2024-11-28 03:02:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-11-28 03:02:42,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-11-28 03:02:42,652 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5195 transitions. [2024-11-28 03:02:42,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3448 flow [2024-11-28 03:02:42,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:42,686 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2024-11-28 03:02:42,689 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2024-11-28 03:02:42,689 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -16 predicate places. [2024-11-28 03:02:42,689 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2024-11-28 03:02:42,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:42,693 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:42,693 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] [2024-11-28 03:02:42,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:02:42,693 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:42,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:42,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1700446051, now seen corresponding path program 1 times [2024-11-28 03:02:42,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:42,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579443144] [2024-11-28 03:02:42,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:42,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:42,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579443144] [2024-11-28 03:02:42,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579443144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:42,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:42,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012079283] [2024-11-28 03:02:42,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:42,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:42,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:42,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:42,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:42,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1719 out of 1780 [2024-11-28 03:02:42,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:42,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:42,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1719 of 1780 [2024-11-28 03:02:42,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:46,785 INFO L124 PetriNetUnfolderBase]: 504/9850 cut-off events. [2024-11-28 03:02:46,785 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 03:02:47,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9933 conditions, 9850 events. 504/9850 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88799 event pairs, 18 based on Foata normal form. 0/7775 useless extension candidates. Maximal degree in co-relation 9847. Up to 56 conditions per place. [2024-11-28 03:02:47,210 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 19 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-28 03:02:47,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3462 flow [2024-11-28 03:02:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5179 transitions. [2024-11-28 03:02:47,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9698501872659177 [2024-11-28 03:02:47,219 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5179 transitions. [2024-11-28 03:02:47,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3462 flow [2024-11-28 03:02:47,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:47,232 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2024-11-28 03:02:47,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2024-11-28 03:02:47,234 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -17 predicate places. [2024-11-28 03:02:47,234 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2024-11-28 03:02:47,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:47,236 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:47,236 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 03:02:47,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:02:47,237 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:47,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash 416677810, now seen corresponding path program 1 times [2024-11-28 03:02:47,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:47,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897409688] [2024-11-28 03:02:47,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:47,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:47,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897409688] [2024-11-28 03:02:47,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897409688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:47,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:47,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607527926] [2024-11-28 03:02:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:47,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:47,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:47,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:47,387 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1780 [2024-11-28 03:02:47,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:47,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:47,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1780 [2024-11-28 03:02:47,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:54,225 INFO L124 PetriNetUnfolderBase]: 792/15279 cut-off events. [2024-11-28 03:02:54,225 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-28 03:02:54,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15403 conditions, 15279 events. 792/15279 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 154302 event pairs, 30 based on Foata normal form. 0/12031 useless extension candidates. Maximal degree in co-relation 15309. Up to 85 conditions per place. [2024-11-28 03:02:54,694 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 24 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-28 03:02:54,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3470 flow [2024-11-28 03:02:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2024-11-28 03:02:54,702 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9679775280898877 [2024-11-28 03:02:54,702 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5169 transitions. [2024-11-28 03:02:54,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3470 flow [2024-11-28 03:02:54,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:54,724 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2024-11-28 03:02:54,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2024-11-28 03:02:54,727 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -18 predicate places. [2024-11-28 03:02:54,727 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2024-11-28 03:02:54,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:54,729 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:54,730 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:54,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:02:54,732 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:54,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1672372858, now seen corresponding path program 1 times [2024-11-28 03:02:54,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:54,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517915447] [2024-11-28 03:02:54,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:54,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:54,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517915447] [2024-11-28 03:02:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517915447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:54,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:54,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807057577] [2024-11-28 03:02:54,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:54,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:54,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:54,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:54,930 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1780 [2024-11-28 03:02:54,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:54,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:54,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1780 [2024-11-28 03:02:54,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:02:58,242 INFO L124 PetriNetUnfolderBase]: 297/5780 cut-off events. [2024-11-28 03:02:58,242 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-28 03:02:58,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5855 conditions, 5780 events. 297/5780 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42662 event pairs, 18 based on Foata normal form. 0/4585 useless extension candidates. Maximal degree in co-relation 5753. Up to 57 conditions per place. [2024-11-28 03:02:58,500 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 20 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-28 03:02:58,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3460 flow [2024-11-28 03:02:58,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:02:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-28 03:02:58,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9694756554307116 [2024-11-28 03:02:58,651 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-11-28 03:02:58,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3460 flow [2024-11-28 03:02:58,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:02:58,664 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2024-11-28 03:02:58,666 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2024-11-28 03:02:58,666 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -19 predicate places. [2024-11-28 03:02:58,666 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2024-11-28 03:02:58,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:58,667 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:02:58,668 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] [2024-11-28 03:02:58,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:02:58,668 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:02:58,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:58,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2021485313, now seen corresponding path program 1 times [2024-11-28 03:02:58,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:58,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862869920] [2024-11-28 03:02:58,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:02:58,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:58,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862869920] [2024-11-28 03:02:58,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862869920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:58,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:02:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582250736] [2024-11-28 03:02:58,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:58,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:58,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:58,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:58,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1780 [2024-11-28 03:02:58,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:58,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:02:58,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1780 [2024-11-28 03:02:58,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:03,696 INFO L124 PetriNetUnfolderBase]: 447/8497 cut-off events. [2024-11-28 03:03:03,696 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-28 03:03:03,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8606 conditions, 8497 events. 447/8497 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 71526 event pairs, 30 based on Foata normal form. 0/6711 useless extension candidates. Maximal degree in co-relation 8496. Up to 85 conditions per place. [2024-11-28 03:03:04,056 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 24 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-28 03:03:04,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3466 flow [2024-11-28 03:03:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2024-11-28 03:03:04,063 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9679775280898877 [2024-11-28 03:03:04,064 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5169 transitions. [2024-11-28 03:03:04,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3466 flow [2024-11-28 03:03:04,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:04,085 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2024-11-28 03:03:04,086 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1636, PETRI_TRANSITIONS=1702} [2024-11-28 03:03:04,087 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -20 predicate places. [2024-11-28 03:03:04,087 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2024-11-28 03:03:04,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:04,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:04,089 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] [2024-11-28 03:03:04,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:03:04,089 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:04,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash 782722860, now seen corresponding path program 1 times [2024-11-28 03:03:04,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:04,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225506806] [2024-11-28 03:03:04,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:04,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:04,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225506806] [2024-11-28 03:03:04,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225506806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:04,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:04,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:04,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552621608] [2024-11-28 03:03:04,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:04,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:04,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:04,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:04,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:04,244 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1780 [2024-11-28 03:03:04,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:04,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:04,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1780 [2024-11-28 03:03:04,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:05,336 INFO L124 PetriNetUnfolderBase]: 90/1737 cut-off events. [2024-11-28 03:03:05,336 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-28 03:03:05,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1803 conditions, 1737 events. 90/1737 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8614 event pairs, 18 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1685. Up to 57 conditions per place. [2024-11-28 03:03:05,391 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 20 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-28 03:03:05,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3456 flow [2024-11-28 03:03:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-28 03:03:05,397 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9694756554307116 [2024-11-28 03:03:05,397 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5177 transitions. [2024-11-28 03:03:05,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3456 flow [2024-11-28 03:03:05,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:05,414 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2024-11-28 03:03:05,416 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1635, PETRI_TRANSITIONS=1701} [2024-11-28 03:03:05,416 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -21 predicate places. [2024-11-28 03:03:05,416 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2024-11-28 03:03:05,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:05,418 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:05,418 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] [2024-11-28 03:03:05,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:03:05,419 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:05,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:05,419 INFO L85 PathProgramCache]: Analyzing trace with hash -950288585, now seen corresponding path program 1 times [2024-11-28 03:03:05,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:05,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191575877] [2024-11-28 03:03:05,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:05,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:05,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191575877] [2024-11-28 03:03:05,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191575877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:05,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:05,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:05,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955320718] [2024-11-28 03:03:05,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:05,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:05,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:05,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:05,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:05,561 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1780 [2024-11-28 03:03:05,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:05,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:05,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1780 [2024-11-28 03:03:05,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:06,651 INFO L124 PetriNetUnfolderBase]: 135/2397 cut-off events. [2024-11-28 03:03:06,651 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-28 03:03:06,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 2397 events. 135/2397 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13904 event pairs, 30 based on Foata normal form. 0/1936 useless extension candidates. Maximal degree in co-relation 2366. Up to 86 conditions per place. [2024-11-28 03:03:06,725 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-11-28 03:03:06,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3462 flow [2024-11-28 03:03:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2024-11-28 03:03:06,731 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9679775280898877 [2024-11-28 03:03:06,732 INFO L175 Difference]: Start difference. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand 3 states and 5169 transitions. [2024-11-28 03:03:06,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3462 flow [2024-11-28 03:03:06,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:06,745 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3410 flow [2024-11-28 03:03:06,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1634, PETRI_TRANSITIONS=1700} [2024-11-28 03:03:06,746 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -22 predicate places. [2024-11-28 03:03:06,746 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3410 flow [2024-11-28 03:03:06,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:06,748 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:06,748 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] [2024-11-28 03:03:06,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:03:06,748 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:06,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 730063021, now seen corresponding path program 1 times [2024-11-28 03:03:06,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:06,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111593844] [2024-11-28 03:03:06,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:06,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:06,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:06,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111593844] [2024-11-28 03:03:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111593844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:06,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:06,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957194748] [2024-11-28 03:03:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:06,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:06,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:06,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:06,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1780 [2024-11-28 03:03:06,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:06,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:06,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1780 [2024-11-28 03:03:06,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:10,090 INFO L124 PetriNetUnfolderBase]: 458/8015 cut-off events. [2024-11-28 03:03:10,090 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-28 03:03:10,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8182 conditions, 8015 events. 458/8015 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 75129 event pairs, 64 based on Foata normal form. 0/6353 useless extension candidates. Maximal degree in co-relation 8048. Up to 130 conditions per place. [2024-11-28 03:03:10,304 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 17 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2024-11-28 03:03:10,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1699 transitions, 3446 flow [2024-11-28 03:03:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:10,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2024-11-28 03:03:10,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9705992509363296 [2024-11-28 03:03:10,309 INFO L175 Difference]: Start difference. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand 3 states and 5183 transitions. [2024-11-28 03:03:10,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1699 transitions, 3446 flow [2024-11-28 03:03:10,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1699 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:10,328 INFO L231 Difference]: Finished difference. Result has 1633 places, 1699 transitions, 3408 flow [2024-11-28 03:03:10,329 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1633, PETRI_TRANSITIONS=1699} [2024-11-28 03:03:10,330 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -23 predicate places. [2024-11-28 03:03:10,330 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1699 transitions, 3408 flow [2024-11-28 03:03:10,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:10,331 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:10,331 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] [2024-11-28 03:03:10,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:03:10,332 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:10,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:10,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1831739605, now seen corresponding path program 1 times [2024-11-28 03:03:10,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:10,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556534497] [2024-11-28 03:03:10,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:10,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:10,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556534497] [2024-11-28 03:03:10,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556534497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:10,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:10,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:10,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943064932] [2024-11-28 03:03:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:10,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:10,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:10,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:10,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:10,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1780 [2024-11-28 03:03:10,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:10,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:10,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1780 [2024-11-28 03:03:10,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:13,463 INFO L124 PetriNetUnfolderBase]: 334/6222 cut-off events. [2024-11-28 03:03:13,463 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-28 03:03:13,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6321 conditions, 6222 events. 334/6222 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 52590 event pairs, 32 based on Foata normal form. 0/4933 useless extension candidates. Maximal degree in co-relation 6179. Up to 82 conditions per place. [2024-11-28 03:03:13,648 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 17 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2024-11-28 03:03:13,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1698 transitions, 3444 flow [2024-11-28 03:03:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2024-11-28 03:03:13,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9705992509363296 [2024-11-28 03:03:13,652 INFO L175 Difference]: Start difference. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand 3 states and 5183 transitions. [2024-11-28 03:03:13,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1698 transitions, 3444 flow [2024-11-28 03:03:13,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1698 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:13,665 INFO L231 Difference]: Finished difference. Result has 1632 places, 1698 transitions, 3406 flow [2024-11-28 03:03:13,666 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1632, PETRI_TRANSITIONS=1698} [2024-11-28 03:03:13,666 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -24 predicate places. [2024-11-28 03:03:13,666 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1698 transitions, 3406 flow [2024-11-28 03:03:13,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:13,668 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:13,668 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] [2024-11-28 03:03:13,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:03:13,668 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:13,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:13,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1058710280, now seen corresponding path program 1 times [2024-11-28 03:03:13,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:13,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316492317] [2024-11-28 03:03:13,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:13,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:13,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:13,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316492317] [2024-11-28 03:03:13,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316492317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:13,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:13,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:13,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388056431] [2024-11-28 03:03:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:13,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:13,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:13,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:13,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:14,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1780 [2024-11-28 03:03:14,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:14,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:14,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1780 [2024-11-28 03:03:14,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:03:17,011 INFO L124 PetriNetUnfolderBase]: 315/5276 cut-off events. [2024-11-28 03:03:17,011 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2024-11-28 03:03:17,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5428 conditions, 5276 events. 315/5276 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 41582 event pairs, 64 based on Foata normal form. 0/4202 useless extension candidates. Maximal degree in co-relation 5278. Up to 139 conditions per place. [2024-11-28 03:03:17,152 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 17 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2024-11-28 03:03:17,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1697 transitions, 3442 flow [2024-11-28 03:03:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:03:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2024-11-28 03:03:17,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9705992509363296 [2024-11-28 03:03:17,155 INFO L175 Difference]: Start difference. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand 3 states and 5183 transitions. [2024-11-28 03:03:17,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1697 transitions, 3442 flow [2024-11-28 03:03:17,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:03:17,167 INFO L231 Difference]: Finished difference. Result has 1631 places, 1697 transitions, 3404 flow [2024-11-28 03:03:17,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1631, PETRI_TRANSITIONS=1697} [2024-11-28 03:03:17,168 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -25 predicate places. [2024-11-28 03:03:17,168 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1697 transitions, 3404 flow [2024-11-28 03:03:17,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:17,170 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:03:17,170 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:17,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:03:17,170 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-28 03:03:17,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:17,171 INFO L85 PathProgramCache]: Analyzing trace with hash -710180883, now seen corresponding path program 1 times [2024-11-28 03:03:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:17,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129966703] [2024-11-28 03:03:17,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:03:17,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:17,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129966703] [2024-11-28 03:03:17,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129966703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:17,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:17,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:03:17,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134654955] [2024-11-28 03:03:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:17,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:17,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:17,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:17,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:17,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1780 [2024-11-28 03:03:17,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:03:17,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:03:17,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1780 [2024-11-28 03:03:17,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand