./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:00:53,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:00:53,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:00:53,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:00:53,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:00:53,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:00:53,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:00:53,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:00:53,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:00:53,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:00:53,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:00:53,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:00:53,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:00:53,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:00:53,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:00:53,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:00:53,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:00:53,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:00:53,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:53,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:53,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:53,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:00:53,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:53,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:53,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:53,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:00:53,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:00:53,832 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:00:53,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:00:53,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:00:53,834 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 [2024-11-28 03:00:54,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:00:54,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:00:54,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:00:54,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:00:54,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:00:54,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2024-11-28 03:00:57,560 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/data/10541dcba/f89d7b698af9425f82ac74ab8a7f27ee/FLAG8f35c2f64 [2024-11-28 03:00:57,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:00:57,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2024-11-28 03:00:57,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/data/10541dcba/f89d7b698af9425f82ac74ab8a7f27ee/FLAG8f35c2f64 [2024-11-28 03:00:58,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/data/10541dcba/f89d7b698af9425f82ac74ab8a7f27ee [2024-11-28 03:00:58,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:00:58,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:00:58,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:00:58,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:00:58,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:00:58,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2298ad70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58, skipping insertion in model container [2024-11-28 03:00:58,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:00:58,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:00:58,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:00:58,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:00:58,523 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:00:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58 WrapperNode [2024-11-28 03:00:58,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:00:58,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:00:58,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:00:58,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:00:58,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,605 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 247 [2024-11-28 03:00:58,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:00:58,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:00:58,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:00:58,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:00:58,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,653 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:00:58,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:00:58,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:00:58,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:00:58,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (1/1) ... [2024-11-28 03:00:58,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:58,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:58,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:00:58,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:00:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:00:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:00:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:00:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:00:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:00:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:00:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:00:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:00:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:00:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:00:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:00:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:00:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:00:58,787 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:00:58,930 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:00:58,931 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:00:59,566 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:00:59,566 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:00:59,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:00:59,597 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:00:59,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:59 BoogieIcfgContainer [2024-11-28 03:00:59,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:00:59,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:00:59,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:00:59,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:00:59,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:00:58" (1/3) ... [2024-11-28 03:00:59,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f57ca10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:59, skipping insertion in model container [2024-11-28 03:00:59,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58" (2/3) ... [2024-11-28 03:00:59,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f57ca10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:59, skipping insertion in model container [2024-11-28 03:00:59,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:59" (3/3) ... [2024-11-28 03:00:59,611 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-11-28 03:00:59,629 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:00:59,631 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-lamport.wvr.c that has 4 procedures, 282 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2024-11-28 03:00:59,631 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:00:59,800 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:00:59,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 296 transitions, 613 flow [2024-11-28 03:01:00,125 INFO L124 PetriNetUnfolderBase]: 15/293 cut-off events. [2024-11-28 03:01:00,129 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:01:00,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 293 events. 15/293 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 238. Up to 2 conditions per place. [2024-11-28 03:01:00,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 296 transitions, 613 flow [2024-11-28 03:01:00,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 272 places, 276 transitions, 567 flow [2024-11-28 03:01:00,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:01:00,188 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39051617, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:01:00,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-28 03:01:00,224 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:01:00,225 INFO L124 PetriNetUnfolderBase]: 3/84 cut-off events. [2024-11-28 03:01:00,225 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:01:00,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:00,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:00,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:00,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:00,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1106173505, now seen corresponding path program 1 times [2024-11-28 03:01:00,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:00,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397179180] [2024-11-28 03:01:00,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:00,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:00,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:00,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397179180] [2024-11-28 03:01:00,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397179180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:00,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:00,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:00,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036133195] [2024-11-28 03:01:00,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:00,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:00,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:00,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:00,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:00,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 296 [2024-11-28 03:01:00,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 276 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:00,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:00,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 296 [2024-11-28 03:01:00,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:00,932 INFO L124 PetriNetUnfolderBase]: 24/566 cut-off events. [2024-11-28 03:01:00,932 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2024-11-28 03:01:00,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 566 events. 24/566 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2043 event pairs, 23 based on Foata normal form. 62/562 useless extension candidates. Maximal degree in co-relation 379. Up to 54 conditions per place. [2024-11-28 03:01:00,942 INFO L140 encePairwiseOnDemand]: 280/296 looper letters, 12 selfloop transitions, 2 changer transitions 4/262 dead transitions. [2024-11-28 03:01:00,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 262 transitions, 567 flow [2024-11-28 03:01:00,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2024-11-28 03:01:00,963 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9234234234234234 [2024-11-28 03:01:00,965 INFO L175 Difference]: Start difference. First operand has 272 places, 276 transitions, 567 flow. Second operand 3 states and 820 transitions. [2024-11-28 03:01:00,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 262 transitions, 567 flow [2024-11-28 03:01:00,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 262 transitions, 558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:01,025 INFO L231 Difference]: Finished difference. Result has 268 places, 258 transitions, 526 flow [2024-11-28 03:01:01,031 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=268, PETRI_TRANSITIONS=258} [2024-11-28 03:01:01,037 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -4 predicate places. [2024-11-28 03:01:01,038 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 258 transitions, 526 flow [2024-11-28 03:01:01,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:01,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:01,039 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:01,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:01:01,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:01,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:01,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1221176784, now seen corresponding path program 1 times [2024-11-28 03:01:01,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:01,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481459233] [2024-11-28 03:01:01,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:01,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:02,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:02,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481459233] [2024-11-28 03:01:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481459233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:02,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:02,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:02,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839328090] [2024-11-28 03:01:02,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:02,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:02,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:02,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:02,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 296 [2024-11-28 03:01:02,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 258 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:02,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:02,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 296 [2024-11-28 03:01:02,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:03,519 INFO L124 PetriNetUnfolderBase]: 465/2354 cut-off events. [2024-11-28 03:01:03,519 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2024-11-28 03:01:03,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3201 conditions, 2354 events. 465/2354 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18476 event pairs, 464 based on Foata normal form. 0/2051 useless extension candidates. Maximal degree in co-relation 3095. Up to 782 conditions per place. [2024-11-28 03:01:03,547 INFO L140 encePairwiseOnDemand]: 290/296 looper letters, 29 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2024-11-28 03:01:03,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 257 transitions, 592 flow [2024-11-28 03:01:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1505 transitions. [2024-11-28 03:01:03,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8474099099099099 [2024-11-28 03:01:03,558 INFO L175 Difference]: Start difference. First operand has 268 places, 258 transitions, 526 flow. Second operand 6 states and 1505 transitions. [2024-11-28 03:01:03,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 257 transitions, 592 flow [2024-11-28 03:01:03,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 257 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:01:03,571 INFO L231 Difference]: Finished difference. Result has 266 places, 257 transitions, 530 flow [2024-11-28 03:01:03,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=530, PETRI_PLACES=266, PETRI_TRANSITIONS=257} [2024-11-28 03:01:03,573 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -6 predicate places. [2024-11-28 03:01:03,576 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 257 transitions, 530 flow [2024-11-28 03:01:03,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:03,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:03,578 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:03,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:01:03,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:03,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1887543896, now seen corresponding path program 1 times [2024-11-28 03:01:03,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620990852] [2024-11-28 03:01:03,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:03,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:03,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:03,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620990852] [2024-11-28 03:01:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620990852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246577540] [2024-11-28 03:01:03,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:03,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:03,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:03,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:03,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:03,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 296 [2024-11-28 03:01:03,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 257 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:03,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:03,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 296 [2024-11-28 03:01:03,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:03,936 INFO L124 PetriNetUnfolderBase]: 93/1165 cut-off events. [2024-11-28 03:01:03,936 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 03:01:03,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1165 events. 93/1165 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7105 event pairs, 66 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 1347. Up to 166 conditions per place. [2024-11-28 03:01:03,947 INFO L140 encePairwiseOnDemand]: 289/296 looper letters, 16 selfloop transitions, 3 changer transitions 0/258 dead transitions. [2024-11-28 03:01:03,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 258 transitions, 573 flow [2024-11-28 03:01:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:01:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2024-11-28 03:01:03,951 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.911036036036036 [2024-11-28 03:01:03,952 INFO L175 Difference]: Start difference. First operand has 266 places, 257 transitions, 530 flow. Second operand 3 states and 809 transitions. [2024-11-28 03:01:03,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 258 transitions, 573 flow [2024-11-28 03:01:03,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 258 transitions, 563 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:03,961 INFO L231 Difference]: Finished difference. Result has 260 places, 256 transitions, 533 flow [2024-11-28 03:01:03,961 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=260, PETRI_TRANSITIONS=256} [2024-11-28 03:01:03,963 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -12 predicate places. [2024-11-28 03:01:03,963 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 256 transitions, 533 flow [2024-11-28 03:01:03,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:03,964 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:03,964 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:03,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:01:03,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:03,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1682686916, now seen corresponding path program 1 times [2024-11-28 03:01:03,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826006501] [2024-11-28 03:01:03,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:04,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826006501] [2024-11-28 03:01:04,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826006501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:04,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:04,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555956887] [2024-11-28 03:01:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:04,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:04,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:04,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:05,087 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 296 [2024-11-28 03:01:05,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 256 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:05,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:05,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 296 [2024-11-28 03:01:05,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:05,222 INFO L124 PetriNetUnfolderBase]: 42/455 cut-off events. [2024-11-28 03:01:05,222 INFO L125 PetriNetUnfolderBase]: For 40/44 co-relation queries the response was YES. [2024-11-28 03:01:05,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 455 events. 42/455 cut-off events. For 40/44 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1733 event pairs, 7 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2024-11-28 03:01:05,227 INFO L140 encePairwiseOnDemand]: 284/296 looper letters, 19 selfloop transitions, 10 changer transitions 4/262 dead transitions. [2024-11-28 03:01:05,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 262 transitions, 619 flow [2024-11-28 03:01:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1553 transitions. [2024-11-28 03:01:05,231 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8744369369369369 [2024-11-28 03:01:05,232 INFO L175 Difference]: Start difference. First operand has 260 places, 256 transitions, 533 flow. Second operand 6 states and 1553 transitions. [2024-11-28 03:01:05,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 262 transitions, 619 flow [2024-11-28 03:01:05,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 262 transitions, 619 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:01:05,237 INFO L231 Difference]: Finished difference. Result has 263 places, 254 transitions, 549 flow [2024-11-28 03:01:05,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=263, PETRI_TRANSITIONS=254} [2024-11-28 03:01:05,238 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -9 predicate places. [2024-11-28 03:01:05,238 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 254 transitions, 549 flow [2024-11-28 03:01:05,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:05,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:05,240 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:05,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:01:05,240 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:05,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash -985314585, now seen corresponding path program 1 times [2024-11-28 03:01:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:05,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872573607] [2024-11-28 03:01:05,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:05,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:05,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872573607] [2024-11-28 03:01:05,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872573607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:05,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:05,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:05,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090966565] [2024-11-28 03:01:05,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:05,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:05,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:05,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:05,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:06,251 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 296 [2024-11-28 03:01:06,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 254 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:06,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:06,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 296 [2024-11-28 03:01:06,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:06,422 INFO L124 PetriNetUnfolderBase]: 19/514 cut-off events. [2024-11-28 03:01:06,422 INFO L125 PetriNetUnfolderBase]: For 4/16 co-relation queries the response was YES. [2024-11-28 03:01:06,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 514 events. 19/514 cut-off events. For 4/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1796 event pairs, 3 based on Foata normal form. 4/488 useless extension candidates. Maximal degree in co-relation 557. Up to 19 conditions per place. [2024-11-28 03:01:06,427 INFO L140 encePairwiseOnDemand]: 291/296 looper letters, 23 selfloop transitions, 4 changer transitions 0/261 dead transitions. [2024-11-28 03:01:06,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 261 transitions, 629 flow [2024-11-28 03:01:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2024-11-28 03:01:06,432 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8941441441441441 [2024-11-28 03:01:06,432 INFO L175 Difference]: Start difference. First operand has 263 places, 254 transitions, 549 flow. Second operand 6 states and 1588 transitions. [2024-11-28 03:01:06,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 261 transitions, 629 flow [2024-11-28 03:01:06,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 261 transitions, 609 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:01:06,438 INFO L231 Difference]: Finished difference. Result has 262 places, 253 transitions, 535 flow [2024-11-28 03:01:06,438 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=535, PETRI_PLACES=262, PETRI_TRANSITIONS=253} [2024-11-28 03:01:06,439 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2024-11-28 03:01:06,440 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 253 transitions, 535 flow [2024-11-28 03:01:06,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:06,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:01:06,441 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:06,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:01:06,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-28 03:01:06,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash 290848215, now seen corresponding path program 1 times [2024-11-28 03:01:06,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:06,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946140386] [2024-11-28 03:01:06,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:06,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:01:07,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:07,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946140386] [2024-11-28 03:01:07,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946140386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:07,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:07,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:07,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383909524] [2024-11-28 03:01:07,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:07,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:07,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:07,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:07,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:07,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 296 [2024-11-28 03:01:07,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 253 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:07,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:01:07,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 296 [2024-11-28 03:01:07,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:01:07,531 INFO L124 PetriNetUnfolderBase]: 25/480 cut-off events. [2024-11-28 03:01:07,531 INFO L125 PetriNetUnfolderBase]: For 17/31 co-relation queries the response was YES. [2024-11-28 03:01:07,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 480 events. 25/480 cut-off events. For 17/31 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1556 event pairs, 4 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 421. Up to 22 conditions per place. [2024-11-28 03:01:07,534 INFO L140 encePairwiseOnDemand]: 291/296 looper letters, 0 selfloop transitions, 0 changer transitions 260/260 dead transitions. [2024-11-28 03:01:07,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 260 transitions, 615 flow [2024-11-28 03:01:07,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:01:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2024-11-28 03:01:07,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8941441441441441 [2024-11-28 03:01:07,540 INFO L175 Difference]: Start difference. First operand has 262 places, 253 transitions, 535 flow. Second operand 6 states and 1588 transitions. [2024-11-28 03:01:07,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 260 transitions, 615 flow [2024-11-28 03:01:07,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 260 transitions, 608 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:01:07,544 INFO L231 Difference]: Finished difference. Result has 262 places, 0 transitions, 0 flow [2024-11-28 03:01:07,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=262, PETRI_TRANSITIONS=0} [2024-11-28 03:01:07,547 INFO L279 CegarLoopForPetriNet]: 272 programPoint places, -10 predicate places. [2024-11-28 03:01:07,547 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 0 transitions, 0 flow [2024-11-28 03:01:07,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:01:07,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-11-28 03:01:07,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-11-28 03:01:07,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-11-28 03:01:07,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:01:07,557 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 03:01:07,562 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:01:07,563 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:01:07,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:07 BasicIcfg [2024-11-28 03:01:07,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:01:07,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:01:07,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:01:07,573 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:01:07,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:59" (3/4) ... [2024-11-28 03:01:07,576 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:01:07,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:01:07,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:01:07,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:01:07,585 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-28 03:01:07,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:01:07,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:01:07,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:01:07,679 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:01:07,679 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:01:07,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:01:07,680 INFO L158 Benchmark]: Toolchain (without parser) took 9538.99ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 104.3MB in the beginning and 294.5MB in the end (delta: -190.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,681 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:07,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.73ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 91.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.76ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,683 INFO L158 Benchmark]: Boogie Preprocessor took 70.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:07,684 INFO L158 Benchmark]: RCFGBuilder took 916.21ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 63.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,684 INFO L158 Benchmark]: TraceAbstraction took 7970.15ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 62.5MB in the beginning and 299.2MB in the end (delta: -236.7MB). Peak memory consumption was 153.3MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,686 INFO L158 Benchmark]: Witness Printer took 107.14ms. Allocated memory is still 343.9MB. Free memory was 299.2MB in the beginning and 294.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:07,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.73ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 91.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.76ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.21ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 63.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7970.15ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 62.5MB in the beginning and 299.2MB in the end (delta: -236.7MB). Peak memory consumption was 153.3MB. Max. memory is 16.1GB. * Witness Printer took 107.14ms. Allocated memory is still 343.9MB. Free memory was 299.2MB in the beginning and 294.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: 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, 421 locations, 21 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: 7.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 923 IncrementalHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 174 mSolverCounterUnsat, 24 mSDtfsCounter, 923 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=0, InterpolantAutomatonStates: 30, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 610 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:01:07,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e7753-299a-4dcf-b81a-bbe43a4be892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE