./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya --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 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:40:27,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:40:27,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:40:27,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:40:27,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:40:27,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:40:27,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:40:27,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:40:27,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:40:27,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:40:27,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:40:27,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:40:27,683 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:40:27,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:40:27,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:40:27,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:40:27,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:40:27,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:40:27,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:40:27,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:40:27,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:40:27,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:40:27,689 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:40:27,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:40:27,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:40:27,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:40:27,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:40:27,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:40:27,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:40:27,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:40:27,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:40:27,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:40:27,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:40:27,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:40:27,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:40:27,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:40:27,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:40:27,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:40:27,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:40:27,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:40:27,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:40:27,695 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 [2023-11-29 00:40:27,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:40:27,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:40:27,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:40:27,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:40:27,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:40:27,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2023-11-29 00:40:30,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:40:31,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:40:31,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2023-11-29 00:40:31,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/data/37b72120d/e74a66b4370f49368f44113a64f07917/FLAG46cc3694e [2023-11-29 00:40:31,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/data/37b72120d/e74a66b4370f49368f44113a64f07917 [2023-11-29 00:40:31,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:40:31,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:40:31,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:40:31,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:40:31,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:40:31,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e73be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31, skipping insertion in model container [2023-11-29 00:40:31,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:40:31,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:40:31,537 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:40:31,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:40:31,589 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:40:31,590 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:40:31,599 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:40:31,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31 WrapperNode [2023-11-29 00:40:31,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:40:31,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:40:31,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:40:31,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:40:31,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,656 INFO L138 Inliner]: procedures = 22, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2023-11-29 00:40:31,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:40:31,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:40:31,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:40:31,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:40:31,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:40:31,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:40:31,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:40:31,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:40:31,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (1/1) ... [2023-11-29 00:40:31,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:40:31,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:40:31,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:40:31,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:40:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:40:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 00:40:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 00:40:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 00:40:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 00:40:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 00:40:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 00:40:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:40:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:40:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:40:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 00:40:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 00:40:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:40:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:40:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:40:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:40:31,801 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:40:31,943 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:40:31,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:40:32,410 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:40:32,640 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:40:32,640 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 00:40:32,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:40:32 BoogieIcfgContainer [2023-11-29 00:40:32,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:40:32,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:40:32,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:40:32,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:40:32,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:40:31" (1/3) ... [2023-11-29 00:40:32,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334d7d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:40:32, skipping insertion in model container [2023-11-29 00:40:32,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:40:31" (2/3) ... [2023-11-29 00:40:32,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334d7d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:40:32, skipping insertion in model container [2023-11-29 00:40:32,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:40:32" (3/3) ... [2023-11-29 00:40:32,652 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2023-11-29 00:40:32,663 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:40:32,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:40:32,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-29 00:40:32,676 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:40:32,780 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 00:40:32,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 233 transitions, 487 flow [2023-11-29 00:40:32,941 INFO L124 PetriNetUnfolderBase]: 10/230 cut-off events. [2023-11-29 00:40:32,941 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 00:40:32,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 230 events. 10/230 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-29 00:40:32,949 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 233 transitions, 487 flow [2023-11-29 00:40:32,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 207 transitions, 432 flow [2023-11-29 00:40:32,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:40:32,979 INFO L357 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, mHoare=true, 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;@133a8743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:40:32,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-29 00:40:32,987 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:40:32,987 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-29 00:40:32,987 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:40:32,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:32,988 INFO L208 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] [2023-11-29 00:40:32,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:32,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash 153942266, now seen corresponding path program 1 times [2023-11-29 00:40:33,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:33,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5467956] [2023-11-29 00:40:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:33,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:33,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:33,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5467956] [2023-11-29 00:40:33,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5467956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:33,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:33,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:33,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063501427] [2023-11-29 00:40:33,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:33,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:33,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:33,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:33,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:33,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 207 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:33,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:33,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:33,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:33,516 INFO L124 PetriNetUnfolderBase]: 124/451 cut-off events. [2023-11-29 00:40:33,516 INFO L125 PetriNetUnfolderBase]: For 84/138 co-relation queries the response was YES. [2023-11-29 00:40:33,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 451 events. 124/451 cut-off events. For 84/138 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1495 event pairs, 74 based on Foata normal form. 49/440 useless extension candidates. Maximal degree in co-relation 493. Up to 194 conditions per place. [2023-11-29 00:40:33,524 INFO L140 encePairwiseOnDemand]: 200/233 looper letters, 22 selfloop transitions, 2 changer transitions 1/176 dead transitions. [2023-11-29 00:40:33,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 176 transitions, 418 flow [2023-11-29 00:40:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 580 transitions. [2023-11-29 00:40:33,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8297567954220315 [2023-11-29 00:40:33,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 580 transitions. [2023-11-29 00:40:33,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 580 transitions. [2023-11-29 00:40:33,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:33,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 580 transitions. [2023-11-29 00:40:33,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2023-11-29 00:40:33,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:33,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:33,570 INFO L175 Difference]: Start difference. First operand has 208 places, 207 transitions, 432 flow. Second operand 3 states and 580 transitions. [2023-11-29 00:40:33,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 176 transitions, 418 flow [2023-11-29 00:40:33,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 176 transitions, 406 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 00:40:33,583 INFO L231 Difference]: Finished difference. Result has 177 places, 175 transitions, 360 flow [2023-11-29 00:40:33,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=177, PETRI_TRANSITIONS=175} [2023-11-29 00:40:33,591 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -31 predicate places. [2023-11-29 00:40:33,591 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 175 transitions, 360 flow [2023-11-29 00:40:33,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:33,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:33,592 INFO L208 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] [2023-11-29 00:40:33,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:40:33,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:33,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:33,594 INFO L85 PathProgramCache]: Analyzing trace with hash -482054733, now seen corresponding path program 1 times [2023-11-29 00:40:33,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:33,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233020884] [2023-11-29 00:40:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233020884] [2023-11-29 00:40:33,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233020884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:33,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:33,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701441186] [2023-11-29 00:40:33,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:33,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:33,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:33,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:33,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:33,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:33,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:33,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:33,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:33,894 INFO L124 PetriNetUnfolderBase]: 124/449 cut-off events. [2023-11-29 00:40:33,895 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:33,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 449 events. 124/449 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1491 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 630. Up to 194 conditions per place. [2023-11-29 00:40:33,901 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 22 selfloop transitions, 2 changer transitions 0/174 dead transitions. [2023-11-29 00:40:33,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 174 transitions, 406 flow [2023-11-29 00:40:33,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2023-11-29 00:40:33,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7868383404864091 [2023-11-29 00:40:33,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2023-11-29 00:40:33,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2023-11-29 00:40:33,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:33,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2023-11-29 00:40:33,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2023-11-29 00:40:33,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:33,913 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:33,913 INFO L175 Difference]: Start difference. First operand has 177 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2023-11-29 00:40:33,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 174 transitions, 406 flow [2023-11-29 00:40:33,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 174 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:33,920 INFO L231 Difference]: Finished difference. Result has 175 places, 174 transitions, 358 flow [2023-11-29 00:40:33,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=175, PETRI_TRANSITIONS=174} [2023-11-29 00:40:33,921 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -33 predicate places. [2023-11-29 00:40:33,922 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 174 transitions, 358 flow [2023-11-29 00:40:33,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:33,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:33,923 INFO L208 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] [2023-11-29 00:40:33,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:40:33,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:33,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash 95536011, now seen corresponding path program 1 times [2023-11-29 00:40:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735660386] [2023-11-29 00:40:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:33,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:33,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735660386] [2023-11-29 00:40:33,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735660386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:33,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:33,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:33,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348803841] [2023-11-29 00:40:33,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:33,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:33,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:33,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:33,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:34,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 174 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:34,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:34,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:34,140 INFO L124 PetriNetUnfolderBase]: 124/448 cut-off events. [2023-11-29 00:40:34,140 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:34,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 448 events. 124/448 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1482 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 622. Up to 194 conditions per place. [2023-11-29 00:40:34,145 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 22 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2023-11-29 00:40:34,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 173 transitions, 404 flow [2023-11-29 00:40:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2023-11-29 00:40:34,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7868383404864091 [2023-11-29 00:40:34,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2023-11-29 00:40:34,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2023-11-29 00:40:34,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:34,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2023-11-29 00:40:34,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2023-11-29 00:40:34,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,154 INFO L175 Difference]: Start difference. First operand has 175 places, 174 transitions, 358 flow. Second operand 3 states and 550 transitions. [2023-11-29 00:40:34,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 173 transitions, 404 flow [2023-11-29 00:40:34,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 173 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:34,158 INFO L231 Difference]: Finished difference. Result has 174 places, 173 transitions, 356 flow [2023-11-29 00:40:34,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=174, PETRI_TRANSITIONS=173} [2023-11-29 00:40:34,160 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -34 predicate places. [2023-11-29 00:40:34,160 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 173 transitions, 356 flow [2023-11-29 00:40:34,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2023-11-29 00:40:34,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:34,161 INFO L208 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] [2023-11-29 00:40:34,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:40:34,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:34,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:34,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1978132760, now seen corresponding path program 1 times [2023-11-29 00:40:34,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:34,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453738604] [2023-11-29 00:40:34,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:34,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:34,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:34,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453738604] [2023-11-29 00:40:34,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453738604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:34,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:34,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:34,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16697355] [2023-11-29 00:40:34,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:34,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:34,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:34,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:34,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:34,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 173 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:34,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:34,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:34,349 INFO L124 PetriNetUnfolderBase]: 124/445 cut-off events. [2023-11-29 00:40:34,349 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:34,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 445 events. 124/445 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1494 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 611. Up to 193 conditions per place. [2023-11-29 00:40:34,364 INFO L140 encePairwiseOnDemand]: 229/233 looper letters, 22 selfloop transitions, 1 changer transitions 0/170 dead transitions. [2023-11-29 00:40:34,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 170 transitions, 396 flow [2023-11-29 00:40:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2023-11-29 00:40:34,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7882689556509299 [2023-11-29 00:40:34,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:34,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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) [2023-11-29 00:40:34,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,373 INFO L175 Difference]: Start difference. First operand has 174 places, 173 transitions, 356 flow. Second operand 3 states and 551 transitions. [2023-11-29 00:40:34,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 170 transitions, 396 flow [2023-11-29 00:40:34,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 170 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:34,377 INFO L231 Difference]: Finished difference. Result has 171 places, 170 transitions, 348 flow [2023-11-29 00:40:34,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=171, PETRI_TRANSITIONS=170} [2023-11-29 00:40:34,378 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -37 predicate places. [2023-11-29 00:40:34,379 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 170 transitions, 348 flow [2023-11-29 00:40:34,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:34,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:34,379 INFO L208 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] [2023-11-29 00:40:34,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:40:34,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:34,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 40288411, now seen corresponding path program 1 times [2023-11-29 00:40:34,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:34,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592415260] [2023-11-29 00:40:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:34,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:34,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592415260] [2023-11-29 00:40:34,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592415260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:34,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:34,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:34,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958427731] [2023-11-29 00:40:34,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:34,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:34,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:34,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:34,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 233 [2023-11-29 00:40:34,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:34,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 233 [2023-11-29 00:40:34,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:34,545 INFO L124 PetriNetUnfolderBase]: 124/444 cut-off events. [2023-11-29 00:40:34,545 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:34,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 444 events. 124/444 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1487 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 607. Up to 191 conditions per place. [2023-11-29 00:40:34,549 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 19 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-29 00:40:34,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 169 transitions, 388 flow [2023-11-29 00:40:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2023-11-29 00:40:34,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7954220314735336 [2023-11-29 00:40:34,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:34,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2023-11-29 00:40:34,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,559 INFO L175 Difference]: Start difference. First operand has 171 places, 170 transitions, 348 flow. Second operand 3 states and 556 transitions. [2023-11-29 00:40:34,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 169 transitions, 388 flow [2023-11-29 00:40:34,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 387 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:40:34,562 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 349 flow [2023-11-29 00:40:34,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2023-11-29 00:40:34,564 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -37 predicate places. [2023-11-29 00:40:34,564 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 349 flow [2023-11-29 00:40:34,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:34,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:34,565 INFO L208 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] [2023-11-29 00:40:34,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:40:34,566 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:34,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:34,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1936933745, now seen corresponding path program 1 times [2023-11-29 00:40:34,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:34,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311773668] [2023-11-29 00:40:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:34,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:34,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:34,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311773668] [2023-11-29 00:40:34,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311773668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:34,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:34,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:34,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631769714] [2023-11-29 00:40:34,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:34,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:34,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:34,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:34,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:34,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:34,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:34,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:34,724 INFO L124 PetriNetUnfolderBase]: 124/441 cut-off events. [2023-11-29 00:40:34,724 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:34,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 441 events. 124/441 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1491 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 608. Up to 193 conditions per place. [2023-11-29 00:40:34,728 INFO L140 encePairwiseOnDemand]: 229/233 looper letters, 22 selfloop transitions, 1 changer transitions 0/166 dead transitions. [2023-11-29 00:40:34,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 166 transitions, 389 flow [2023-11-29 00:40:34,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2023-11-29 00:40:34,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7882689556509299 [2023-11-29 00:40:34,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:34,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 551 transitions. [2023-11-29 00:40:34,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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) [2023-11-29 00:40:34,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,736 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 349 flow. Second operand 3 states and 551 transitions. [2023-11-29 00:40:34,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 166 transitions, 389 flow [2023-11-29 00:40:34,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 385 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:34,739 INFO L231 Difference]: Finished difference. Result has 168 places, 166 transitions, 341 flow [2023-11-29 00:40:34,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=168, PETRI_TRANSITIONS=166} [2023-11-29 00:40:34,741 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -40 predicate places. [2023-11-29 00:40:34,741 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 166 transitions, 341 flow [2023-11-29 00:40:34,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:34,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:34,742 INFO L208 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] [2023-11-29 00:40:34,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:40:34,742 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:34,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:34,743 INFO L85 PathProgramCache]: Analyzing trace with hash 971325106, now seen corresponding path program 1 times [2023-11-29 00:40:34,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:34,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104670637] [2023-11-29 00:40:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:34,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:34,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:34,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104670637] [2023-11-29 00:40:34,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104670637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:34,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:34,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:34,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110001913] [2023-11-29 00:40:34,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:34,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:34,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:34,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 233 [2023-11-29 00:40:34,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 166 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:34,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 233 [2023-11-29 00:40:34,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:34,913 INFO L124 PetriNetUnfolderBase]: 124/440 cut-off events. [2023-11-29 00:40:34,913 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:34,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 440 events. 124/440 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1490 event pairs, 74 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 604. Up to 191 conditions per place. [2023-11-29 00:40:34,916 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 19 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-11-29 00:40:34,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 381 flow [2023-11-29 00:40:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2023-11-29 00:40:34,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7954220314735336 [2023-11-29 00:40:34,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:34,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2023-11-29 00:40:34,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2023-11-29 00:40:34,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:34,925 INFO L175 Difference]: Start difference. First operand has 168 places, 166 transitions, 341 flow. Second operand 3 states and 556 transitions. [2023-11-29 00:40:34,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 381 flow [2023-11-29 00:40:34,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:40:34,929 INFO L231 Difference]: Finished difference. Result has 168 places, 165 transitions, 342 flow [2023-11-29 00:40:34,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2023-11-29 00:40:34,931 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -40 predicate places. [2023-11-29 00:40:34,931 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 342 flow [2023-11-29 00:40:34,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:34,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:34,932 INFO L208 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] [2023-11-29 00:40:34,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:40:34,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:34,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1552289431, now seen corresponding path program 1 times [2023-11-29 00:40:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280553991] [2023-11-29 00:40:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:34,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280553991] [2023-11-29 00:40:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280553991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:34,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:34,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:34,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210804336] [2023-11-29 00:40:34,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:34,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:34,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:34,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:34,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:34,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:34,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:34,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:34,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:35,082 INFO L124 PetriNetUnfolderBase]: 124/437 cut-off events. [2023-11-29 00:40:35,082 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:35,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 437 events. 124/437 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1483 event pairs, 74 based on Foata normal form. 1/391 useless extension candidates. Maximal degree in co-relation 604. Up to 192 conditions per place. [2023-11-29 00:40:35,086 INFO L140 encePairwiseOnDemand]: 229/233 looper letters, 20 selfloop transitions, 1 changer transitions 6/162 dead transitions. [2023-11-29 00:40:35,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 380 flow [2023-11-29 00:40:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2023-11-29 00:40:35,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7868383404864091 [2023-11-29 00:40:35,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2023-11-29 00:40:35,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2023-11-29 00:40:35,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:35,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2023-11-29 00:40:35,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2023-11-29 00:40:35,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:35,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:35,093 INFO L175 Difference]: Start difference. First operand has 168 places, 165 transitions, 342 flow. Second operand 3 states and 550 transitions. [2023-11-29 00:40:35,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 380 flow [2023-11-29 00:40:35,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:35,096 INFO L231 Difference]: Finished difference. Result has 165 places, 156 transitions, 322 flow [2023-11-29 00:40:35,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=165, PETRI_TRANSITIONS=156} [2023-11-29 00:40:35,097 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -43 predicate places. [2023-11-29 00:40:35,098 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 156 transitions, 322 flow [2023-11-29 00:40:35,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2023-11-29 00:40:35,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:35,099 INFO L208 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] [2023-11-29 00:40:35,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:40:35,099 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:35,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:35,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2019173110, now seen corresponding path program 1 times [2023-11-29 00:40:35,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:35,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501814603] [2023-11-29 00:40:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:35,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:35,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:35,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501814603] [2023-11-29 00:40:35,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501814603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:35,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:35,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:35,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276451776] [2023-11-29 00:40:35,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:35,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:35,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:35,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:35,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:35,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 233 [2023-11-29 00:40:35,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 156 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:35,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:35,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 233 [2023-11-29 00:40:35,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:35,260 INFO L124 PetriNetUnfolderBase]: 124/430 cut-off events. [2023-11-29 00:40:35,260 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:35,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 430 events. 124/430 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1473 event pairs, 74 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 595. Up to 191 conditions per place. [2023-11-29 00:40:35,263 INFO L140 encePairwiseOnDemand]: 230/233 looper letters, 19 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2023-11-29 00:40:35,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 362 flow [2023-11-29 00:40:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2023-11-29 00:40:35,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7954220314735336 [2023-11-29 00:40:35,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2023-11-29 00:40:35,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2023-11-29 00:40:35,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:35,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2023-11-29 00:40:35,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2023-11-29 00:40:35,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:35,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:35,271 INFO L175 Difference]: Start difference. First operand has 165 places, 156 transitions, 322 flow. Second operand 3 states and 556 transitions. [2023-11-29 00:40:35,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 362 flow [2023-11-29 00:40:35,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 155 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:40:35,290 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 323 flow [2023-11-29 00:40:35,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2023-11-29 00:40:35,292 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -49 predicate places. [2023-11-29 00:40:35,292 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 323 flow [2023-11-29 00:40:35,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-29 00:40:35,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:35,293 INFO L208 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] [2023-11-29 00:40:35,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:40:35,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:35,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1470172118, now seen corresponding path program 1 times [2023-11-29 00:40:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:35,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556681758] [2023-11-29 00:40:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:35,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:35,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556681758] [2023-11-29 00:40:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556681758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:35,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:35,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:40:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61435674] [2023-11-29 00:40:35,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:35,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:40:35,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:40:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:40:36,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:36,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 323 flow. Second operand has 6 states, 6 states have (on average 176.66666666666666) internal successors, (1060), 6 states have internal predecessors, (1060), 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) [2023-11-29 00:40:36,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:36,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:36,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:36,509 INFO L124 PetriNetUnfolderBase]: 664/1212 cut-off events. [2023-11-29 00:40:36,509 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 00:40:36,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2142 conditions, 1212 events. 664/1212 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4773 event pairs, 54 based on Foata normal form. 0/1166 useless extension candidates. Maximal degree in co-relation 2095. Up to 333 conditions per place. [2023-11-29 00:40:36,520 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 59 selfloop transitions, 4 changer transitions 0/194 dead transitions. [2023-11-29 00:40:36,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 194 transitions, 527 flow [2023-11-29 00:40:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:40:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:40:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1114 transitions. [2023-11-29 00:40:36,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7968526466380543 [2023-11-29 00:40:36,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1114 transitions. [2023-11-29 00:40:36,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1114 transitions. [2023-11-29 00:40:36,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:36,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1114 transitions. [2023-11-29 00:40:36,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 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) [2023-11-29 00:40:36,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:36,537 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:36,537 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 323 flow. Second operand 6 states and 1114 transitions. [2023-11-29 00:40:36,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 194 transitions, 527 flow [2023-11-29 00:40:36,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 194 transitions, 523 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:40:36,543 INFO L231 Difference]: Finished difference. Result has 161 places, 154 transitions, 325 flow [2023-11-29 00:40:36,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=325, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2023-11-29 00:40:36,544 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -47 predicate places. [2023-11-29 00:40:36,544 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 325 flow [2023-11-29 00:40:36,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.66666666666666) internal successors, (1060), 6 states have internal predecessors, (1060), 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) [2023-11-29 00:40:36,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:36,545 INFO L208 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] [2023-11-29 00:40:36,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:40:36,546 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:36,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash 3918336, now seen corresponding path program 1 times [2023-11-29 00:40:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:36,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631609439] [2023-11-29 00:40:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:37,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631609439] [2023-11-29 00:40:37,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631609439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:37,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:37,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:40:37,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183306803] [2023-11-29 00:40:37,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:37,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:40:37,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:37,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:40:37,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:40:37,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:37,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2023-11-29 00:40:37,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:37,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:37,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:37,753 INFO L124 PetriNetUnfolderBase]: 244/599 cut-off events. [2023-11-29 00:40:37,753 INFO L125 PetriNetUnfolderBase]: For 13/59 co-relation queries the response was YES. [2023-11-29 00:40:37,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 599 events. 244/599 cut-off events. For 13/59 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2094 event pairs, 71 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 944. Up to 181 conditions per place. [2023-11-29 00:40:37,758 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 47 selfloop transitions, 4 changer transitions 0/181 dead transitions. [2023-11-29 00:40:37,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 181 transitions, 481 flow [2023-11-29 00:40:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:40:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:40:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1102 transitions. [2023-11-29 00:40:37,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7882689556509299 [2023-11-29 00:40:37,764 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1102 transitions. [2023-11-29 00:40:37,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1102 transitions. [2023-11-29 00:40:37,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:37,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1102 transitions. [2023-11-29 00:40:37,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.66666666666666) internal successors, (1102), 6 states have internal predecessors, (1102), 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) [2023-11-29 00:40:37,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:37,774 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:37,774 INFO L175 Difference]: Start difference. First operand has 161 places, 154 transitions, 325 flow. Second operand 6 states and 1102 transitions. [2023-11-29 00:40:37,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 181 transitions, 481 flow [2023-11-29 00:40:37,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 181 transitions, 474 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:40:37,780 INFO L231 Difference]: Finished difference. Result has 161 places, 153 transitions, 324 flow [2023-11-29 00:40:37,780 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=161, PETRI_TRANSITIONS=153} [2023-11-29 00:40:37,781 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -47 predicate places. [2023-11-29 00:40:37,781 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 153 transitions, 324 flow [2023-11-29 00:40:37,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2023-11-29 00:40:37,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:37,782 INFO L208 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] [2023-11-29 00:40:37,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:40:37,782 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:37,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash -631346868, now seen corresponding path program 1 times [2023-11-29 00:40:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842514998] [2023-11-29 00:40:37,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:37,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:38,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:38,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842514998] [2023-11-29 00:40:38,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842514998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:38,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:38,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:40:38,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596800381] [2023-11-29 00:40:38,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:38,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:40:38,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:38,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:40:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:40:38,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 233 [2023-11-29 00:40:38,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 153 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 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) [2023-11-29 00:40:38,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:38,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 233 [2023-11-29 00:40:38,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:38,875 INFO L124 PetriNetUnfolderBase]: 144/448 cut-off events. [2023-11-29 00:40:38,876 INFO L125 PetriNetUnfolderBase]: For 16/70 co-relation queries the response was YES. [2023-11-29 00:40:38,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 448 events. 144/448 cut-off events. For 16/70 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1521 event pairs, 74 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 662. Up to 189 conditions per place. [2023-11-29 00:40:38,880 INFO L140 encePairwiseOnDemand]: 228/233 looper letters, 35 selfloop transitions, 4 changer transitions 0/168 dead transitions. [2023-11-29 00:40:38,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 168 transitions, 432 flow [2023-11-29 00:40:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:40:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:40:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2023-11-29 00:40:38,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7796852646638054 [2023-11-29 00:40:38,885 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1090 transitions. [2023-11-29 00:40:38,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1090 transitions. [2023-11-29 00:40:38,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:38,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1090 transitions. [2023-11-29 00:40:38,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 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) [2023-11-29 00:40:38,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:38,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 233.0) internal successors, (1631), 7 states have internal predecessors, (1631), 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) [2023-11-29 00:40:38,896 INFO L175 Difference]: Start difference. First operand has 161 places, 153 transitions, 324 flow. Second operand 6 states and 1090 transitions. [2023-11-29 00:40:38,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 168 transitions, 432 flow [2023-11-29 00:40:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 168 transitions, 425 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:40:38,901 INFO L231 Difference]: Finished difference. Result has 161 places, 152 transitions, 323 flow [2023-11-29 00:40:38,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=323, PETRI_PLACES=161, PETRI_TRANSITIONS=152} [2023-11-29 00:40:38,902 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -47 predicate places. [2023-11-29 00:40:38,902 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 152 transitions, 323 flow [2023-11-29 00:40:38,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 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) [2023-11-29 00:40:38,903 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:40:38,904 INFO L208 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] [2023-11-29 00:40:38,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:40:38,904 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 00:40:38,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash 259676607, now seen corresponding path program 1 times [2023-11-29 00:40:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:38,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544852770] [2023-11-29 00:40:38,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:38,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:38,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:38,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544852770] [2023-11-29 00:40:38,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544852770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:40:38,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:40:38,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:40:38,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107755559] [2023-11-29 00:40:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:40:38,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:40:38,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:38,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:40:38,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:40:38,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 233 [2023-11-29 00:40:38,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 152 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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) [2023-11-29 00:40:38,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:40:38,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 233 [2023-11-29 00:40:38,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:40:39,111 INFO L124 PetriNetUnfolderBase]: 124/422 cut-off events. [2023-11-29 00:40:39,111 INFO L125 PetriNetUnfolderBase]: For 17/71 co-relation queries the response was YES. [2023-11-29 00:40:39,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 422 events. 124/422 cut-off events. For 17/71 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1439 event pairs, 74 based on Foata normal form. 1/385 useless extension candidates. Maximal degree in co-relation 610. Up to 188 conditions per place. [2023-11-29 00:40:39,113 INFO L140 encePairwiseOnDemand]: 231/233 looper letters, 0 selfloop transitions, 0 changer transitions 151/151 dead transitions. [2023-11-29 00:40:39,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 151 transitions, 355 flow [2023-11-29 00:40:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:40:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:40:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 00:40:39,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8068669527896996 [2023-11-29 00:40:39,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 00:40:39,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 00:40:39,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:40:39,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 00:40:39,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2023-11-29 00:40:39,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:39,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 233.0) internal successors, (932), 4 states have internal predecessors, (932), 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) [2023-11-29 00:40:39,122 INFO L175 Difference]: Start difference. First operand has 161 places, 152 transitions, 323 flow. Second operand 3 states and 564 transitions. [2023-11-29 00:40:39,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 151 transitions, 355 flow [2023-11-29 00:40:39,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 151 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:40:39,125 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2023-11-29 00:40:39,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=233, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2023-11-29 00:40:39,126 INFO L281 CegarLoopForPetriNet]: 208 programPoint places, -50 predicate places. [2023-11-29 00:40:39,126 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2023-11-29 00:40:39,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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) [2023-11-29 00:40:39,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-11-29 00:40:39,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-11-29 00:40:39,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-11-29 00:40:39,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-11-29 00:40:39,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-11-29 00:40:39,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-11-29 00:40:39,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-11-29 00:40:39,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-11-29 00:40:39,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-11-29 00:40:39,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-11-29 00:40:39,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-11-29 00:40:39,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-11-29 00:40:39,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-11-29 00:40:39,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-11-29 00:40:39,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-11-29 00:40:39,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-11-29 00:40:39,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-11-29 00:40:39,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-11-29 00:40:39,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-11-29 00:40:39,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-11-29 00:40:39,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:40:39,143 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:40:39,149 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:40:39,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:40:39,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:40:39 BasicIcfg [2023-11-29 00:40:39,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:40:39,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:40:39,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:40:39,157 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:40:39,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:40:32" (3/4) ... [2023-11-29 00:40:39,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:40:39,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 00:40:39,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 00:40:39,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 00:40:39,170 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-29 00:40:39,171 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:40:39,171 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:40:39,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:40:39,283 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:40:39,284 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:40:39,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:40:39,285 INFO L158 Benchmark]: Toolchain (without parser) took 8046.45ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 119.4MB in the beginning and 209.2MB in the end (delta: -89.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,285 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:40:39,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.68ms. Allocated memory is still 153.1MB. Free memory was 119.4MB in the beginning and 106.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.62ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,287 INFO L158 Benchmark]: Boogie Preprocessor took 48.19ms. Allocated memory is still 153.1MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,287 INFO L158 Benchmark]: RCFGBuilder took 936.02ms. Allocated memory is still 153.1MB. Free memory was 102.6MB in the beginning and 73.3MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,288 INFO L158 Benchmark]: TraceAbstraction took 6510.92ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 72.6MB in the beginning and 214.4MB in the end (delta: -141.8MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,288 INFO L158 Benchmark]: Witness Printer took 127.65ms. Allocated memory is still 268.4MB. Free memory was 214.4MB in the beginning and 209.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:40:39,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.68ms. Allocated memory is still 153.1MB. Free memory was 119.4MB in the beginning and 106.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.62ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.19ms. Allocated memory is still 153.1MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 936.02ms. Allocated memory is still 153.1MB. Free memory was 102.6MB in the beginning and 73.3MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6510.92ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 72.6MB in the beginning and 214.4MB in the end (delta: -141.8MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. * Witness Printer took 127.65ms. Allocated memory is still 268.4MB. Free memory was 214.4MB in the beginning and 209.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 278 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 487 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 64 mSDtfsCounter, 1051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 869 NumberOfCodeBlocks, 869 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 856 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 00:40:39,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37856c23-6b40-465b-83ed-4a0355c5d93b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE