./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.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_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/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_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/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_9edd430b-dba6-4caf-b271-25acb2595397/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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:28:26,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:28:26,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 07:28:26,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:28:26,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:28:26,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:28:26,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:28:26,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:28:26,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:28:26,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:28:26,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:28:26,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:28:26,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:28:26,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:28:26,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:28:26,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:28:26,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:28:26,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:28:26,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:28:26,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:28:26,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:28:26,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:28:26,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:28:26,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:28:26,888 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_9edd430b-dba6-4caf-b271-25acb2595397/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 -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2024-12-02 07:28:27,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:28:27,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:28:27,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:28:27,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:28:27,163 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:28:27,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-12-02 07:28:29,871 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/data/c2ed29aa6/7f52d3655cbd4bb284f57e95db436baf/FLAGf6df06e86 [2024-12-02 07:28:30,067 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:28:30,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2024-12-02 07:28:30,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/data/c2ed29aa6/7f52d3655cbd4bb284f57e95db436baf/FLAGf6df06e86 [2024-12-02 07:28:30,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/data/c2ed29aa6/7f52d3655cbd4bb284f57e95db436baf [2024-12-02 07:28:30,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:28:30,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:28:30,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:28:30,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:28:30,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:28:30,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c935a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30, skipping insertion in model container [2024-12-02 07:28:30,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:28:30,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:28:30,287 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:28:30,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:28:30,325 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:28:30,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30 WrapperNode [2024-12-02 07:28:30,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:28:30,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:28:30,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:28:30,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:28:30,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,363 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 252 [2024-12-02 07:28:30,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:28:30,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:28:30,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:28:30,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:28:30,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:28:30,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:28:30,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:28:30,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:28:30,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (1/1) ... [2024-12-02 07:28:30,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:28:30,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:28:30,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:28:30,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 07:28:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 07:28:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:28:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 07:28:30,453 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 07:28:30,538 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:28:30,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:28:30,914 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 07:28:30,915 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:28:31,139 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:28:31,140 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 07:28:31,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:31 BoogieIcfgContainer [2024-12-02 07:28:31,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:28:31,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:28:31,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:28:31,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:28:31,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:28:30" (1/3) ... [2024-12-02 07:28:31,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22970f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:31, skipping insertion in model container [2024-12-02 07:28:31,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:28:30" (2/3) ... [2024-12-02 07:28:31,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22970f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:31, skipping insertion in model container [2024-12-02 07:28:31,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:31" (3/3) ... [2024-12-02 07:28:31,148 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-12-02 07:28:31,160 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:28:31,161 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive-alt.wvr.c that has 3 procedures, 202 locations, 1 initial locations, 3 loop locations, and 34 error locations. [2024-12-02 07:28:31,161 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 07:28:31,225 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 07:28:31,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 214 transitions, 442 flow [2024-12-02 07:28:31,321 INFO L124 PetriNetUnfolderBase]: 13/212 cut-off events. [2024-12-02 07:28:31,323 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 07:28:31,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 13/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 325 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2024-12-02 07:28:31,329 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 214 transitions, 442 flow [2024-12-02 07:28:31,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 192 transitions, 396 flow [2024-12-02 07:28:31,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:28:31,350 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;@5ffb40f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:28:31,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-12-02 07:28:31,356 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 07:28:31,356 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-12-02 07:28:31,357 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 07:28:31,357 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:31,357 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] [2024-12-02 07:28:31,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:31,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2011632826, now seen corresponding path program 1 times [2024-12-02 07:28:31,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:31,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169121729] [2024-12-02 07:28:31,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:28:31,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:31,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169121729] [2024-12-02 07:28:31,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169121729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:31,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:31,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:31,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512262053] [2024-12-02 07:28:31,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:31,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:31,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:31,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:31,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:31,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-12-02 07:28:31,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 192 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 07:28:31,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:31,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-12-02 07:28:31,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:31,631 INFO L124 PetriNetUnfolderBase]: 17/204 cut-off events. [2024-12-02 07:28:31,632 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-12-02 07:28:31,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 204 events. 17/204 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 331 event pairs, 4 based on Foata normal form. 14/191 useless extension candidates. Maximal degree in co-relation 125. Up to 30 conditions per place. [2024-12-02 07:28:31,634 INFO L140 encePairwiseOnDemand]: 183/214 looper letters, 12 selfloop transitions, 2 changer transitions 2/163 dead transitions. [2024-12-02 07:28:31,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 366 flow [2024-12-02 07:28:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2024-12-02 07:28:31,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8520249221183801 [2024-12-02 07:28:31,648 INFO L175 Difference]: Start difference. First operand has 188 places, 192 transitions, 396 flow. Second operand 3 states and 547 transitions. [2024-12-02 07:28:31,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 366 flow [2024-12-02 07:28:31,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 163 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 07:28:31,669 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2024-12-02 07:28:31,672 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2024-12-02 07:28:31,675 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -25 predicate places. [2024-12-02 07:28:31,675 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2024-12-02 07:28:31,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 07:28:31,676 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:31,676 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] [2024-12-02 07:28:31,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:28:31,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:31,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:31,677 INFO L85 PathProgramCache]: Analyzing trace with hash -96400011, now seen corresponding path program 1 times [2024-12-02 07:28:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:31,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017240932] [2024-12-02 07:28:31,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:31,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:31,721 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 07:28:31,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017240932] [2024-12-02 07:28:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017240932] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:31,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:31,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:31,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167240475] [2024-12-02 07:28:31,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:31,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:31,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:31,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:31,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:31,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 214 [2024-12-02 07:28:31,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 07:28:31,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:31,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 214 [2024-12-02 07:28:31,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:31,802 INFO L124 PetriNetUnfolderBase]: 13/187 cut-off events. [2024-12-02 07:28:31,802 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-12-02 07:28:31,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 187 events. 13/187 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 2 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 188. Up to 23 conditions per place. [2024-12-02 07:28:31,804 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-12-02 07:28:31,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 354 flow [2024-12-02 07:28:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-12-02 07:28:31,806 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8115264797507789 [2024-12-02 07:28:31,807 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 521 transitions. [2024-12-02 07:28:31,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 354 flow [2024-12-02 07:28:31,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:28:31,811 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 328 flow [2024-12-02 07:28:31,811 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2024-12-02 07:28:31,812 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-12-02 07:28:31,812 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 328 flow [2024-12-02 07:28:31,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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 07:28:31,812 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:31,812 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] [2024-12-02 07:28:31,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:28:31,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:31,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:31,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1326285727, now seen corresponding path program 1 times [2024-12-02 07:28:31,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:31,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574713690] [2024-12-02 07:28:31,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:31,853 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 07:28:31,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:31,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574713690] [2024-12-02 07:28:31,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574713690] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:31,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:31,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:31,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110287862] [2024-12-02 07:28:31,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:31,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:31,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:31,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:31,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:31,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 214 [2024-12-02 07:28:31,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 07:28:31,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:31,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 214 [2024-12-02 07:28:31,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:31,918 INFO L124 PetriNetUnfolderBase]: 14/206 cut-off events. [2024-12-02 07:28:31,918 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-12-02 07:28:31,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 206 events. 14/206 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 1 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 202. Up to 16 conditions per place. [2024-12-02 07:28:31,919 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 14 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-12-02 07:28:31,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 165 transitions, 373 flow [2024-12-02 07:28:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2024-12-02 07:28:31,922 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8348909657320872 [2024-12-02 07:28:31,922 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 328 flow. Second operand 3 states and 536 transitions. [2024-12-02 07:28:31,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 165 transitions, 373 flow [2024-12-02 07:28:31,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 165 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:28:31,926 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 332 flow [2024-12-02 07:28:31,926 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2024-12-02 07:28:31,927 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-12-02 07:28:31,927 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 332 flow [2024-12-02 07:28:31,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 07:28:31,928 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:31,928 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:28:31,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:28:31,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:31,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1041795487, now seen corresponding path program 1 times [2024-12-02 07:28:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:31,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606057670] [2024-12-02 07:28:31,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:31,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:31,965 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 07:28:31,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606057670] [2024-12-02 07:28:31,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606057670] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:31,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:31,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:31,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624754729] [2024-12-02 07:28:31,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:31,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:31,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:31,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:31,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:31,993 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-12-02 07:28:31,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 07:28:31,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:31,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-12-02 07:28:31,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:32,041 INFO L124 PetriNetUnfolderBase]: 22/235 cut-off events. [2024-12-02 07:28:32,041 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-12-02 07:28:32,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 235 events. 22/235 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 585 event pairs, 10 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 152. Up to 43 conditions per place. [2024-12-02 07:28:32,043 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-12-02 07:28:32,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 159 transitions, 360 flow [2024-12-02 07:28:32,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-12-02 07:28:32,045 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8084112149532711 [2024-12-02 07:28:32,045 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 332 flow. Second operand 3 states and 519 transitions. [2024-12-02 07:28:32,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 159 transitions, 360 flow [2024-12-02 07:28:32,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 07:28:32,048 INFO L231 Difference]: Finished difference. Result has 160 places, 159 transitions, 332 flow [2024-12-02 07:28:32,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=160, PETRI_TRANSITIONS=159} [2024-12-02 07:28:32,050 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-12-02 07:28:32,050 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 159 transitions, 332 flow [2024-12-02 07:28:32,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 07:28:32,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:32,050 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] [2024-12-02 07:28:32,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:28:32,051 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:32,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -695003736, now seen corresponding path program 1 times [2024-12-02 07:28:32,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:32,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266362351] [2024-12-02 07:28:32,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:32,091 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 07:28:32,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:32,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266362351] [2024-12-02 07:28:32,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266362351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:32,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:32,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126853411] [2024-12-02 07:28:32,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:32,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:32,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:32,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:32,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:32,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-12-02 07:28:32,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 07:28:32,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:32,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-12-02 07:28:32,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:32,162 INFO L124 PetriNetUnfolderBase]: 28/260 cut-off events. [2024-12-02 07:28:32,162 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-12-02 07:28:32,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 260 events. 28/260 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 680 event pairs, 10 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 279. Up to 45 conditions per place. [2024-12-02 07:28:32,174 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 12 selfloop transitions, 1 changer transitions 0/157 dead transitions. [2024-12-02 07:28:32,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 354 flow [2024-12-02 07:28:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-12-02 07:28:32,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-12-02 07:28:32,176 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 332 flow. Second operand 3 states and 524 transitions. [2024-12-02 07:28:32,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 354 flow [2024-12-02 07:28:32,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:28:32,179 INFO L231 Difference]: Finished difference. Result has 158 places, 157 transitions, 326 flow [2024-12-02 07:28:32,179 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=158, PETRI_TRANSITIONS=157} [2024-12-02 07:28:32,180 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2024-12-02 07:28:32,180 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 157 transitions, 326 flow [2024-12-02 07:28:32,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 07:28:32,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:32,181 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] [2024-12-02 07:28:32,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:28:32,181 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:32,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:32,181 INFO L85 PathProgramCache]: Analyzing trace with hash 581114740, now seen corresponding path program 1 times [2024-12-02 07:28:32,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:32,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373489112] [2024-12-02 07:28:32,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:32,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:32,240 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 07:28:32,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373489112] [2024-12-02 07:28:32,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373489112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:32,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:32,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:32,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506189882] [2024-12-02 07:28:32,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:32,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:32,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:32,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:32,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-12-02 07:28:32,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 07:28:32,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:32,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-12-02 07:28:32,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:32,304 INFO L124 PetriNetUnfolderBase]: 16/221 cut-off events. [2024-12-02 07:28:32,304 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-12-02 07:28:32,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 221 events. 16/221 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 467 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 217. Up to 27 conditions per place. [2024-12-02 07:28:32,306 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 11 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-12-02 07:28:32,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 350 flow [2024-12-02 07:28:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2024-12-02 07:28:32,308 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8146417445482866 [2024-12-02 07:28:32,308 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 326 flow. Second operand 3 states and 523 transitions. [2024-12-02 07:28:32,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 156 transitions, 350 flow [2024-12-02 07:28:32,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 156 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 07:28:32,311 INFO L231 Difference]: Finished difference. Result has 158 places, 156 transitions, 327 flow [2024-12-02 07:28:32,311 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=158, PETRI_TRANSITIONS=156} [2024-12-02 07:28:32,312 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -30 predicate places. [2024-12-02 07:28:32,312 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 156 transitions, 327 flow [2024-12-02 07:28:32,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 07:28:32,312 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:32,312 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] [2024-12-02 07:28:32,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:28:32,313 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:32,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:32,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2120083413, now seen corresponding path program 1 times [2024-12-02 07:28:32,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:32,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889834233] [2024-12-02 07:28:32,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:32,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:32,767 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 07:28:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889834233] [2024-12-02 07:28:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889834233] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:28:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498674253] [2024-12-02 07:28:32,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:32,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:28:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:32,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:28:32,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:28:32,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 214 [2024-12-02 07:28:32,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 156 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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 07:28:32,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:32,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 214 [2024-12-02 07:28:32,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:32,943 INFO L124 PetriNetUnfolderBase]: 16/220 cut-off events. [2024-12-02 07:28:32,943 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-12-02 07:28:32,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 220 events. 16/220 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 469 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 227. Up to 32 conditions per place. [2024-12-02 07:28:32,944 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 16 selfloop transitions, 5 changer transitions 0/155 dead transitions. [2024-12-02 07:28:32,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 367 flow [2024-12-02 07:28:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:28:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 07:28:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2024-12-02 07:28:32,947 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7780373831775701 [2024-12-02 07:28:32,948 INFO L175 Difference]: Start difference. First operand has 158 places, 156 transitions, 327 flow. Second operand 6 states and 999 transitions. [2024-12-02 07:28:32,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 367 flow [2024-12-02 07:28:32,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 363 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:28:32,950 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 331 flow [2024-12-02 07:28:32,951 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=331, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-12-02 07:28:32,951 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -28 predicate places. [2024-12-02 07:28:32,951 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 331 flow [2024-12-02 07:28:32,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 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 07:28:32,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:32,952 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] [2024-12-02 07:28:32,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:28:32,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:32,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:32,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1232741455, now seen corresponding path program 1 times [2024-12-02 07:28:32,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:32,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310031949] [2024-12-02 07:28:32,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:33,000 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 07:28:33,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:33,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310031949] [2024-12-02 07:28:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310031949] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:33,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:33,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:33,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770889235] [2024-12-02 07:28:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:33,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:33,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:33,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:33,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:33,014 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-12-02 07:28:33,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 07:28:33,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:33,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-12-02 07:28:33,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:33,086 INFO L124 PetriNetUnfolderBase]: 35/296 cut-off events. [2024-12-02 07:28:33,087 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-12-02 07:28:33,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 296 events. 35/296 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 915 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 367. Up to 45 conditions per place. [2024-12-02 07:28:33,088 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 14 selfloop transitions, 5 changer transitions 0/159 dead transitions. [2024-12-02 07:28:33,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 159 transitions, 384 flow [2024-12-02 07:28:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-12-02 07:28:33,091 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.82398753894081 [2024-12-02 07:28:33,091 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 331 flow. Second operand 3 states and 529 transitions. [2024-12-02 07:28:33,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 159 transitions, 384 flow [2024-12-02 07:28:33,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 159 transitions, 374 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-12-02 07:28:33,093 INFO L231 Difference]: Finished difference. Result has 156 places, 156 transitions, 348 flow [2024-12-02 07:28:33,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=156, PETRI_TRANSITIONS=156} [2024-12-02 07:28:33,094 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -32 predicate places. [2024-12-02 07:28:33,094 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 156 transitions, 348 flow [2024-12-02 07:28:33,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 07:28:33,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:28:33,095 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] [2024-12-02 07:28:33,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:28:33,095 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-12-02 07:28:33,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:28:33,096 INFO L85 PathProgramCache]: Analyzing trace with hash 521215579, now seen corresponding path program 1 times [2024-12-02 07:28:33,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:28:33,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000220263] [2024-12-02 07:28:33,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:28:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:28:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:28:33,148 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 07:28:33,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:28:33,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000220263] [2024-12-02 07:28:33,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000220263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:28:33,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:28:33,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:28:33,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076441147] [2024-12-02 07:28:33,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:28:33,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:28:33,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:28:33,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:28:33,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:28:33,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 214 [2024-12-02 07:28:33,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 156 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 07:28:33,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:28:33,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 214 [2024-12-02 07:28:33,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:28:33,214 INFO L124 PetriNetUnfolderBase]: 18/239 cut-off events. [2024-12-02 07:28:33,214 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-12-02 07:28:33,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 239 events. 18/239 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 507 event pairs, 3 based on Foata normal form. 3/225 useless extension candidates. Maximal degree in co-relation 274. Up to 29 conditions per place. [2024-12-02 07:28:33,215 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 0 selfloop transitions, 0 changer transitions 154/154 dead transitions. [2024-12-02 07:28:33,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 370 flow [2024-12-02 07:28:33,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:28:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:28:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2024-12-02 07:28:33,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8177570093457944 [2024-12-02 07:28:33,217 INFO L175 Difference]: Start difference. First operand has 156 places, 156 transitions, 348 flow. Second operand 3 states and 525 transitions. [2024-12-02 07:28:33,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 370 flow [2024-12-02 07:28:33,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 07:28:33,219 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2024-12-02 07:28:33,219 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2024-12-02 07:28:33,219 INFO L279 CegarLoopForPetriNet]: 188 programPoint places, -33 predicate places. [2024-12-02 07:28:33,220 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2024-12-02 07:28:33,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 07:28:33,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-12-02 07:28:33,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-12-02 07:28:33,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-12-02 07:28:33,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-12-02 07:28:33,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-12-02 07:28:33,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-12-02 07:28:33,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-12-02 07:28:33,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-12-02 07:28:33,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-12-02 07:28:33,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:28:33,228 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:28:33,232 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 07:28:33,232 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:28:33,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:28:33 BasicIcfg [2024-12-02 07:28:33,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:28:33,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:28:33,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:28:33,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:28:33,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:31" (3/4) ... [2024-12-02 07:28:33,239 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:28:33,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 07:28:33,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 07:28:33,245 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-02 07:28:33,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 07:28:33,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:28:33,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:28:33,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:28:33,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:28:33,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:28:33,307 INFO L158 Benchmark]: Toolchain (without parser) took 3217.36ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.9MB in the beginning and 144.3MB in the end (delta: -27.4MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2024-12-02 07:28:33,308 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:28:33,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.53ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:28:33,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.07ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:28:33,309 INFO L158 Benchmark]: Boogie Preprocessor took 29.08ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:28:33,309 INFO L158 Benchmark]: RCFGBuilder took 747.04ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-02 07:28:33,309 INFO L158 Benchmark]: TraceAbstraction took 2094.74ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 97.6MB in the beginning and 149.7MB in the end (delta: -52.1MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2024-12-02 07:28:33,309 INFO L158 Benchmark]: Witness Printer took 69.30ms. Allocated memory is still 302.0MB. Free memory was 149.7MB in the beginning and 144.3MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:28:33,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.53ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.07ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.08ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.04ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2094.74ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 97.6MB in the beginning and 149.7MB in the end (delta: -52.1MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * Witness Printer took 69.30ms. Allocated memory is still 302.0MB. Free memory was 149.7MB in the beginning and 144.3MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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 5 procedures, 270 locations, 61 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: 2.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 34 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 07:28:33,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd430b-dba6-4caf-b271-25acb2595397/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