./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1 --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 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:20:04,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:20:04,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 11:20:04,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:20:04,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:20:04,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:20:04,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:20:04,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:20:04,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:20:04,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:20:04,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:20:04,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:20:04,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:20:04,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:20:04,986 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:04,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:20:04,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:04,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:20:04,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:20:04,988 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_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1 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 -> 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff [2024-12-02 11:20:05,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:20:05,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:20:05,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:20:05,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:20:05,214 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:20:05,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2024-12-02 11:20:07,889 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/data/a78e7f6bd/e6bc98da47144bd3b6ca7a1b4f02d2e2/FLAG027d1e72c [2024-12-02 11:20:08,129 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:20:08,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2024-12-02 11:20:08,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/data/a78e7f6bd/e6bc98da47144bd3b6ca7a1b4f02d2e2/FLAG027d1e72c [2024-12-02 11:20:08,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/data/a78e7f6bd/e6bc98da47144bd3b6ca7a1b4f02d2e2 [2024-12-02 11:20:08,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:20:08,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:20:08,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:20:08,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:20:08,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:20:08,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2032bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08, skipping insertion in model container [2024-12-02 11:20:08,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:20:08,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:20:08,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:20:08,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:20:08,536 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:20:08,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08 WrapperNode [2024-12-02 11:20:08,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:20:08,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:20:08,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:20:08,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:20:08,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,574 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 111 [2024-12-02 11:20:08,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:20:08,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:20:08,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:20:08,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:20:08,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:20:08,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:20:08,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:20:08,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:20:08,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (1/1) ... [2024-12-02 11:20:08,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:08,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:20:08,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:20:08,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 11:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 11:20:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 11:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 11:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 11:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:20:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:20:08,665 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:20:08,767 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:20:08,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:20:08,961 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:20:08,962 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:20:08,981 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:20:08,982 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:20:08,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:08 BoogieIcfgContainer [2024-12-02 11:20:08,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:20:08,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:20:08,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:20:08,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:20:08,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:20:08" (1/3) ... [2024-12-02 11:20:08,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a67f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:08, skipping insertion in model container [2024-12-02 11:20:08,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:08" (2/3) ... [2024-12-02 11:20:08,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a67f8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:08, skipping insertion in model container [2024-12-02 11:20:08,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:08" (3/3) ... [2024-12-02 11:20:08,990 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2024-12-02 11:20:09,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:20:09,002 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_25-struct_nr_true.i that has 2 procedures, 133 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-12-02 11:20:09,002 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:20:09,053 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 11:20:09,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions, 287 flow [2024-12-02 11:20:09,137 INFO L124 PetriNetUnfolderBase]: 8/139 cut-off events. [2024-12-02 11:20:09,142 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:20:09,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 139 events. 8/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 181 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-12-02 11:20:09,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 140 transitions, 287 flow [2024-12-02 11:20:09,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 134 transitions, 271 flow [2024-12-02 11:20:09,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:20:09,168 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;@6d3eeb91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:20:09,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-12-02 11:20:09,175 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:20:09,175 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-12-02 11:20:09,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:20:09,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:09,176 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:09,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:09,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:09,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1172017329, now seen corresponding path program 1 times [2024-12-02 11:20:09,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:09,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648143559] [2024-12-02 11:20:09,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:09,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:09,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648143559] [2024-12-02 11:20:09,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648143559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:09,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:09,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:20:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321187698] [2024-12-02 11:20:09,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:09,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:09,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:09,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:09,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:09,450 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 140 [2024-12-02 11:20:09,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 134 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-12-02 11:20:09,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:09,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 140 [2024-12-02 11:20:09,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:09,632 INFO L124 PetriNetUnfolderBase]: 110/821 cut-off events. [2024-12-02 11:20:09,632 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 11:20:09,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 821 events. 110/821 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5163 event pairs, 49 based on Foata normal form. 86/814 useless extension candidates. Maximal degree in co-relation 1056. Up to 167 conditions per place. [2024-12-02 11:20:09,638 INFO L140 encePairwiseOnDemand]: 111/140 looper letters, 29 selfloop transitions, 15 changer transitions 3/135 dead transitions. [2024-12-02 11:20:09,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 135 transitions, 361 flow [2024-12-02 11:20:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-12-02 11:20:09,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-12-02 11:20:09,652 INFO L175 Difference]: Start difference. First operand has 130 places, 134 transitions, 271 flow. Second operand 3 states and 364 transitions. [2024-12-02 11:20:09,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 135 transitions, 361 flow [2024-12-02 11:20:09,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 135 transitions, 360 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:20:09,660 INFO L231 Difference]: Finished difference. Result has 124 places, 128 transitions, 356 flow [2024-12-02 11:20:09,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=124, PETRI_TRANSITIONS=128} [2024-12-02 11:20:09,664 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -6 predicate places. [2024-12-02 11:20:09,665 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 128 transitions, 356 flow [2024-12-02 11:20:09,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-12-02 11:20:09,665 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:09,665 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] [2024-12-02 11:20:09,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:20:09,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:09,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:09,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1485905498, now seen corresponding path program 1 times [2024-12-02 11:20:09,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:09,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036564403] [2024-12-02 11:20:09,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:09,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:09,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:09,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036564403] [2024-12-02 11:20:09,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036564403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:09,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:09,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:20:09,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386363582] [2024-12-02 11:20:09,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:09,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:09,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:09,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:09,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:09,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2024-12-02 11:20:09,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 128 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:20:09,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:09,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2024-12-02 11:20:09,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:09,983 INFO L124 PetriNetUnfolderBase]: 132/926 cut-off events. [2024-12-02 11:20:09,983 INFO L125 PetriNetUnfolderBase]: For 301/333 co-relation queries the response was YES. [2024-12-02 11:20:09,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 926 events. 132/926 cut-off events. For 301/333 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6138 event pairs, 59 based on Foata normal form. 2/832 useless extension candidates. Maximal degree in co-relation 1504. Up to 230 conditions per place. [2024-12-02 11:20:09,987 INFO L140 encePairwiseOnDemand]: 132/140 looper letters, 29 selfloop transitions, 10 changer transitions 0/138 dead transitions. [2024-12-02 11:20:09,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 138 transitions, 474 flow [2024-12-02 11:20:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2024-12-02 11:20:09,990 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8261904761904761 [2024-12-02 11:20:09,990 INFO L175 Difference]: Start difference. First operand has 124 places, 128 transitions, 356 flow. Second operand 3 states and 347 transitions. [2024-12-02 11:20:09,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 138 transitions, 474 flow [2024-12-02 11:20:09,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 138 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:20:09,995 INFO L231 Difference]: Finished difference. Result has 123 places, 136 transitions, 412 flow [2024-12-02 11:20:09,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=123, PETRI_TRANSITIONS=136} [2024-12-02 11:20:09,996 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-12-02 11:20:09,996 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 136 transitions, 412 flow [2024-12-02 11:20:09,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2024-12-02 11:20:09,996 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:09,996 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] [2024-12-02 11:20:09,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:20:09,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:09,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:09,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2117040959, now seen corresponding path program 1 times [2024-12-02 11:20:09,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:09,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356053181] [2024-12-02 11:20:09,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:09,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:10,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:10,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356053181] [2024-12-02 11:20:10,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356053181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:10,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:10,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:20:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103396322] [2024-12-02 11:20:10,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:10,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:10,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:10,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:10,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:10,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 140 [2024-12-02 11:20:10,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 136 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-12-02 11:20:10,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:10,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 140 [2024-12-02 11:20:10,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:10,176 INFO L124 PetriNetUnfolderBase]: 1/180 cut-off events. [2024-12-02 11:20:10,176 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-12-02 11:20:10,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 180 events. 1/180 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 220 event pairs, 0 based on Foata normal form. 2/170 useless extension candidates. Maximal degree in co-relation 204. Up to 21 conditions per place. [2024-12-02 11:20:10,177 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 2 selfloop transitions, 4 changer transitions 9/110 dead transitions. [2024-12-02 11:20:10,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 110 transitions, 286 flow [2024-12-02 11:20:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:10,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:10,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2024-12-02 11:20:10,179 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2024-12-02 11:20:10,179 INFO L175 Difference]: Start difference. First operand has 123 places, 136 transitions, 412 flow. Second operand 3 states and 371 transitions. [2024-12-02 11:20:10,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 110 transitions, 286 flow [2024-12-02 11:20:10,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 110 transitions, 256 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-12-02 11:20:10,182 INFO L231 Difference]: Finished difference. Result has 115 places, 101 transitions, 234 flow [2024-12-02 11:20:10,183 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=115, PETRI_TRANSITIONS=101} [2024-12-02 11:20:10,183 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -15 predicate places. [2024-12-02 11:20:10,183 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 101 transitions, 234 flow [2024-12-02 11:20:10,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-12-02 11:20:10,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:10,184 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:10,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:20:10,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:10,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1970349623, now seen corresponding path program 1 times [2024-12-02 11:20:10,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:10,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038889193] [2024-12-02 11:20:10,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:10,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:10,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:10,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038889193] [2024-12-02 11:20:10,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038889193] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:10,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:10,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:20:10,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985537531] [2024-12-02 11:20:10,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:10,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:10,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:10,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:10,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:10,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2024-12-02 11:20:10,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 101 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-12-02 11:20:10,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:10,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2024-12-02 11:20:10,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:10,310 INFO L124 PetriNetUnfolderBase]: 1/160 cut-off events. [2024-12-02 11:20:10,310 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-12-02 11:20:10,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 160 events. 1/160 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 148 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 187. Up to 31 conditions per place. [2024-12-02 11:20:10,311 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 18 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-12-02 11:20:10,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 100 transitions, 272 flow [2024-12-02 11:20:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-12-02 11:20:10,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2024-12-02 11:20:10,313 INFO L175 Difference]: Start difference. First operand has 115 places, 101 transitions, 234 flow. Second operand 3 states and 343 transitions. [2024-12-02 11:20:10,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 100 transitions, 272 flow [2024-12-02 11:20:10,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 100 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:20:10,315 INFO L231 Difference]: Finished difference. Result has 106 places, 100 transitions, 232 flow [2024-12-02 11:20:10,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=106, PETRI_TRANSITIONS=100} [2024-12-02 11:20:10,316 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -24 predicate places. [2024-12-02 11:20:10,316 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 100 transitions, 232 flow [2024-12-02 11:20:10,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-12-02 11:20:10,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:10,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:10,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:20:10,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:10,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash 426236466, now seen corresponding path program 1 times [2024-12-02 11:20:10,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:10,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018461241] [2024-12-02 11:20:10,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:10,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:10,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:10,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018461241] [2024-12-02 11:20:10,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018461241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:10,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:10,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:20:10,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044197412] [2024-12-02 11:20:10,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:10,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:10,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:10,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:10,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:10,410 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2024-12-02 11:20:10,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2024-12-02 11:20:10,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:10,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2024-12-02 11:20:10,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:10,440 INFO L124 PetriNetUnfolderBase]: 1/158 cut-off events. [2024-12-02 11:20:10,440 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-12-02 11:20:10,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 158 events. 1/158 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 140 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 185. Up to 32 conditions per place. [2024-12-02 11:20:10,440 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 17 selfloop transitions, 2 changer transitions 7/99 dead transitions. [2024-12-02 11:20:10,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 99 transitions, 272 flow [2024-12-02 11:20:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2024-12-02 11:20:10,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8047619047619048 [2024-12-02 11:20:10,442 INFO L175 Difference]: Start difference. First operand has 106 places, 100 transitions, 232 flow. Second operand 3 states and 338 transitions. [2024-12-02 11:20:10,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 99 transitions, 272 flow [2024-12-02 11:20:10,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:20:10,444 INFO L231 Difference]: Finished difference. Result has 105 places, 92 transitions, 213 flow [2024-12-02 11:20:10,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=105, PETRI_TRANSITIONS=92} [2024-12-02 11:20:10,445 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -25 predicate places. [2024-12-02 11:20:10,445 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 92 transitions, 213 flow [2024-12-02 11:20:10,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2024-12-02 11:20:10,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:20:10,445 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] [2024-12-02 11:20:10,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:20:10,446 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-12-02 11:20:10,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -708456007, now seen corresponding path program 1 times [2024-12-02 11:20:10,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:10,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095743496] [2024-12-02 11:20:10,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:10,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:10,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095743496] [2024-12-02 11:20:10,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095743496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:10,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:10,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:20:10,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202396357] [2024-12-02 11:20:10,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:10,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:10,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:10,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:10,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:10,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2024-12-02 11:20:10,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 92 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-12-02 11:20:10,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:20:10,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2024-12-02 11:20:10,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:20:10,569 INFO L124 PetriNetUnfolderBase]: 0/117 cut-off events. [2024-12-02 11:20:10,569 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-12-02 11:20:10,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 117 events. 0/117 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 58 event pairs, 0 based on Foata normal form. 2/119 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2024-12-02 11:20:10,570 INFO L140 encePairwiseOnDemand]: 138/140 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2024-12-02 11:20:10,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 91 transitions, 243 flow [2024-12-02 11:20:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:20:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2024-12-02 11:20:10,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2024-12-02 11:20:10,571 INFO L175 Difference]: Start difference. First operand has 105 places, 92 transitions, 213 flow. Second operand 3 states and 340 transitions. [2024-12-02 11:20:10,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 91 transitions, 243 flow [2024-12-02 11:20:10,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 91 transitions, 237 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 11:20:10,573 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-12-02 11:20:10,573 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-12-02 11:20:10,573 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -32 predicate places. [2024-12-02 11:20:10,574 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-12-02 11:20:10,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-12-02 11:20:10,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-12-02 11:20:10,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-12-02 11:20:10,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-12-02 11:20:10,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-12-02 11:20:10,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-12-02 11:20:10,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-12-02 11:20:10,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:20:10,578 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 11:20:10,582 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:20:10,582 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:20:10,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:20:10 BasicIcfg [2024-12-02 11:20:10,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:20:10,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:20:10,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:20:10,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:20:10,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:08" (3/4) ... [2024-12-02 11:20:10,590 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:20:10,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-12-02 11:20:10,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 11:20:10,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 11:20:10,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 11:20:10,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:20:10,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:20:10,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:20:10,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:20:10,647 INFO L158 Benchmark]: Toolchain (without parser) took 2486.50ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 98.2MB in the end (delta: 17.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-12-02 11:20:10,647 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:10,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.83ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 96.0MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:20:10,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.06ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:20:10,648 INFO L158 Benchmark]: Boogie Preprocessor took 25.73ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:10,648 INFO L158 Benchmark]: RCFGBuilder took 380.36ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 77.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:20:10,649 INFO L158 Benchmark]: TraceAbstraction took 1602.89ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 101.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:10,649 INFO L158 Benchmark]: Witness Printer took 59.11ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:10,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.83ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 96.0MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.06ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.73ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.36ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 77.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1602.89ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 101.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.11ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 184 locations, 15 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: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 306 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 36 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=412occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 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! [2024-12-02 11:20:10,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef98bc0-9b8e-4a8f-8e25-2a9368a94ceb/bin/uautomizer-verify-84ZbGMXZE1/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